Pool conversion calculator

Pool conversion calculator. By giving a second netmask, you can design subnets and supernets. Your pool contains an estimated gallons of water when full. 1 m 2 = 10. 14 × d² / 4) × L. 3. To start, us our pool calculator to determine how many gallons of water are in your pool. It can caluclate the volume of rectangular, oval, kidney or round Apr 10, 2023 · Once you have these values, simply enter them into the calculator and click the “Calculate” button. To calculate the required salt adjustment, subtract the current salt level from the target salt level. The result will be the time (in seconds) it will take your microwave to cook the food. Distance 50 100 200 400 800 1500 400 500 1000 1650. Use our Conversion Calculator to convert between commonly used units. For pumps with 1. 7639104 ft 2 / m 2. Feb 26, 2024 · Similar to the rectangular pool, we use the basic volume formula of a circle and multiply it by the mathematical constant, 7. 448222 N / lbf. Pool Shape: This refers to the shape of your pool, which could be rectangular, round, or oval. Great! Don't forget that our tools are flexible, so you can use this calculator as a pipe velocity calculator. kg to pounds. 7 = Total Gallons. SAFE 2 is $0. We figured out that a pool 12 feet wide and 22 feet long, with a depth at one end of 4 feet, reaching 6 feet at the other end, would have a pool volume of 9,874 Aug 21, 2023 · Divide by 3. Then use the calculator to convert this figure into litres, imperial gallons or US gallons. Solution. A standard 40-pound bag of salt will usually cost about $10–$15, depending on the brand and quality. in the format of MM. The ideal total alkalinity level is 80 to 120 ppm. Jul 22, 2018 · Use the search box to find your required metric converter. Jan 18, 2024 · FAQ. This flow rate calculator uses flow velocity and cross-sectional flow area data to determine the volumetric flow rate of liquid. Current Free Chlorine: 2. 48 = 4,680 Swim Time Converter by Simon Sinclair. 0 and 4. Library Plexity. Pooled Library Concentration (nM) Total Pooled Library Volume (µl) Description (optional) Library Concentration (nM) Let us take some of the stress out of holiday gift buying this season by giving you more time to qualify for price adjustments. Swimming Time Conversion Tool Swim Time Conversion Time to Convert:. Unit Conversion. This calculator can help you determine your pace, time, and distance based on your goals and performances. Length. Best Salinity Converter! The ultimate chemistry calculator for pool owners. Clear. May 8, 2023 · 12,000 x 8. Calculations: 27 ft ÷ 3 = 9 yd. 785 = fl gal. Convert the volume of water (bucket's capacity) to gallons. This calculator converts Salinity from Specific Gravity (SG) to Parts Per Trillion (ppt) and others. Input concentration (ng/μL or nM) Average library size (bp) Average molecular weight (Daltons) Concentration in nM. Our pool calculator is simple and easy to use. SS. 83 gallons per day. Use the conversion ratio to complete the unit conversion, basically dividing the input by 1, the N units cancel out, and we are left with lbf units. To convert L to fl gal, use the conversion factor. Total alkalinity stabilizes pH levels. 00. for quick conversions. Enter the distance you swam in the “Distance” field. The "Pool Square Footage Calculator" has four input fields: Pool Length: This is the distance between the two ends of your pool, measured in feet. The volume in gallons is equal to the volume in cubic feet multiplied by 7. You can also use other swim calculators to review Sep 12, 2023 · Dry acid, also known as sodium bisulfate, is a chemical used to lower the pH in pool water and make it more acidic. com Pool Management Education since 1980 Aug 19, 2023 · Imagine a pool with a volume of 24,000 gallons. Purpose. It would help if you remembered that pressure is a scalar, and therefore it Pool Kit Installation Resources ». 35 x 0. Our pool size calculator takes the guesswork out of the picture when calculating what amount of pool chemicals you really need. Multiply the volume by the density (in the same units) to get the weight. Use the conversion ratio to complete the unit conversion, basically dividing the input by 1 The Swimming Pool Installation Cost Calculator is a user-friendly online tool that's designed to demystify the financial aspect of installing a swimming pool. Sample. 1 N ÷ 4. However, the price used for SAFE 2 is not $0. Enter the PPM to increase. Table of conversion factors for Insulin unit conversion to pmol/L, µIU/mL, mIU/L. Let’s break down this formula with an example. You’ll also need to replace the cell every three to seven years, which can cost anywhere from $600 to $900. Calculate and Share! Instantly Convert Between Many Different Units Using Our Online Calculators. 6577. 58 l b s / s 30. Estimate the volume of sand needed, using geometrical formulas and plans or measurements. 28084 feet per meter. Please note, that this is a rough estimation, and you might need to calculate it separately using factors such as mortar type. If you measure the width in meters, you will also measure all other parameters in meters and enter them in the calculator. 4 pounds. Enter the dimensions of the actual object (or measurements of the scaled object if you are planning on converting a scale to an actual size) 4. Add Sodium Bicarbonate (ounces) 0. Enter volume of pool in gallons. electric power sector consumption in 2022; preliminary) kilowatthours Btu megajoules million calories. 1 = 4. If you don’t know the water volume of your pool, here is a convenient calculator. 6 days ago · However, if you want to be super accurate, check out our water density calculator, as the density changes with temperature, salinity, and pressure. 0020 = 200. I already plugged in the ideal salt level of 3,200 ppm, but if you feel strongly that you want it Jun 16, 2023 · Calculate. Step 2: Calculate Volume Aug 25, 2020 · The volume of your pool. 0032 – 0. Capacity in Gallons: Do you want to compare your swim times across different pool lengths and formats? My Swim Splits offers a simple and accurate swim time converter that lets you convert your times between short course yards, short course meters and long course meters. Your Time. 480519 gallons, you can use this simple formula to convert: gallons = cubic feet × 7. The gallon calculator is a converter that helps you convert gallons to cups, liters, cubic feet and inches, quarts, ounces, and even raindrops! Just input one of the values, and the rest will fill in automatically! It can convert both US and UK gallons. The Short course Indoor pool is 25yards where as long course outdoor in 50 meters. Oval Pools: Length x Width x Average Depth x 6. Feb 22, 2023 · It’s important to note that using too high of an RPM with a low horsepower pump can cause damage to your pool equipment. How to Calculate Gallons For Circle Pool: Step 1: Gather Information Measure the diameter (D) and depth (D) of your circular pool in feet. 10′ × 10′ × 6′ × 7. →. With optional settings for MIN/100YDS and MIN/100M, you can customize your calculations to suit your needs. Total Area: square feet square meters square yards acres. See also Insertion Loss Calculator Online. Choose the unit of measurement you want to Aug 14, 2023 · How to Convert Meters to Feet. You can also adjust the gap or overlap between tiles to get a more accurate result. 448222 N. Nov 11, 2022 · 8. gallons. 6775. 6233 = 58. Adjust sliders to calculate the amount of bleach or chlorine to raise free chlorine levels in the pool. After that, enter the value of the Length and choose the unit of measurement from the drop-down menu. Then enter the value of the Width and choose the unit of measurement from the drop-down menu. 1 short ton = 18,820,000 Btu ( based on U. Then divide both sides of the equation by m2, to get the conversion ratio. Most saltwater chlorinators run between $800 to $1,200. Have a look at the mortar estimation field. Swim Time Converter. 5, to determine the volume of a circular swimming pool in gallons. 46. Feet to Yard Conversion Example. Pool Calculator provides the tools and maintenance information you need to keep your Jan 19, 2018 · Its designed to be equally accurate on age group swimmers as it is on olympic champions. 48052 to get gallons per square foot G = H ft × 7. Large 40-pound bags of pure pool-grade salt usually cost an average of about $12 each at your local pool store. Pool Width: This is the distance between the two sides of your pool, measured in feet. ”. Price adjustments on purchases are available 10/8/2022 until 12/25/22. 35 x (0. 6577 because of the full ratchet. Select 20 metre 25 metre 33 1/3 metre 50 metre. For the "classic" view of the pool calculator see Classic Pool Calculator. However, the Center for Disease Control 4 days ago · Pressure definition. Choose a salt cell that is rated for 20-30% more than your pool water volume. We can eliminate all those vinyl liner nightmares by converting your swimming pool into a one piece fiberglass swimming pool. Typically, 1 to 2 pounds of dry acid per 10,000 gallons of pool water for a 0. What Should Chlorine Levels Be in Swimming Pools and Hot Tubs? The Association of Pool and Spa Professionals recommends free chlorine levels for both swimming pools and hot tubs be kept between 2. 56 100 Free SCY converts to to 51. Will Licon’s Use the calculator below to figure out how much salt to add or water to replace in your pool. The tool displayed a mass flow rate of 30. S. In other words, if your pool holds 10,000 gallons, choose a generator rated for 12,000 – 13,000 gallons (or more). Convert gallons to liters or vice versa using the calculator below. Stroke FREE BACK BREAST FLY IM. Mar 24, 2023 · To calculate the pool volume using our calculator, simply enter the following values: pool shape, dimensions: width, length, depth 1, depth 2. Eliminate the guesswork from balancing your pool water and make it easier to calculate chemical dosing. Meters to Feet. For example, if your target salt level is 3000 ppm and your current salt level is 2500 ppm, you need to add 500 ppm of salt to the pool. One of the easiest ways to reduce heat The sole intent of this calculator is to provide our swimmers with an approximation of what their times would be in long or short course. Examples of the angle of a slope include such things as the angle of the driveway, the pitch of a roof Calculate the salt adjustment needed. Without stabilizer in the swimming pool, the UV rays of the sun will leave Mar 19, 2023 · Using the Swimming Time Converter Calculator. Miles to Kilometers. Enter the PPM to decrease. 1,572,495 new ESOP shares are made to ensure there is a 10% ESOP post the round. Celsius to Fahrenheit. All units within a given category can be converted to any other unit within that category. Width. 001) . Increase Total Alkalinity. 1 = 10. Our calculator supports all major formats: American Odds (-400) Decimal Odds (1. You may also be interested in our Steps to Miles Calculator. There are 3. Nov 3, 2023 · Formula of Pool Surface Area Calculator. How to Use Our Betting Odds Calculator. Pool Conversion. then divide both sides of the equation by fl gal, to get the conversion ratio. pounds to kg. Multiply by 60 to get gallons per minute. Assuming we'd need at least 10 bags for our example pool (400 lbs), we're looking at a salt IP Subnet Calculator. 7639104 ft 2. Generally, pool salt comes in 40-pound bags, so you’d need 5 bags of salt to get the 200 pounds you need. PLEASE FILL IN ALL FIELDS! The main purpose of stabilizer (also known as Cyanuric Acid, CYA or Conditioner) in the water is to protect chlorine from the destructive Ultraviolet (UV) rays of the sun. To convert your activity time into steps, multiply the number of minutes of activity by the number of equivalent steps per minute. Recommended 60-80ppm. It is also intended to be a teaching tool and presents the subnetting results as easy-to-understand binary values. SCY LCM SCM. 1 = 3. Fahrenheit to Celsius. Volume (gallons) = Volume (cubic feet) x 7. So if you want to convert meters to feet using your own calculator, just multiply your number of meters by 3. Temperature of water: Reference pure water temperature: #FB Chat #Scroll to Top. 23 gallons. On average, it takes three standard mortar bags to bond 100 concrete blocks together. For pumps with 1 horsepower or less, the recommended RPM range is typically between 2400 and 2800 RPM. 0. Step 1: Enter your odds. Since one cubic foot is equal to 7. For example, here's how to convert 5 cubic feet to gallons using the formula above. This calculator is approximate because it doesn’t account for the many factors that impact heat loss in the swimming pool. Add Sodium Bicarbonate (pounds) 0. 6. then divide both sides of the equation by lbf, to get the conversion ratio. 375 x 3200 ppm ÷ 100 = 268 lbs of salt per 10,000 gallonsConversion: 268 lbs x (15,000 gal ÷ 10,000 gal) = 402 lbs for 15,000 gallons. Dec 2, 2023 · You can calculate the pool volume as follows: Pool Volume = Length × Width × Depth × 7. To convert from SCY to SCM, use the 400 meters to 500 yards Here are the steps for you to follow for this how many gallons is my pool calculator: First, choose the shape of your pool from the drop-down menu. To convert a time from a 25 yard pool to a 25 meter pool (SCY to SCM), divide the time by the appropriate swimming conversion factor from the SCM table. The Swim Time Converter converts your swim times between short course meters (SCM), short course yards (SCY) and long course meters (LCM) using Colorado Timing’s conversion Oval Swimming Pools (also use for kidney and other free forms) Please enter your measurements in feet. Use this pool volume calculator to figure out how many gallons of water are in a swimming pool; quickly determines how many gallons of water are in a pool. Simply input your amount in the currency calculator above, select your source and destination currency and our tool will convert your currency at the mid-market rate (that Jan 18, 2024 · Before we can convert gallons to pounds, we first need to know how many gallons the pool holds. AquaChek’s easy to use calculators take the guesswork out of balancing your pool or spa. 76 LCM. Area to Cover: Use Total Area Use Dimensions. Conversion: 268 lbs x (15,000 gal ÷ 10,000 gal) = 402 pounds of salt for 15,000 gallons. The time achieved was. This means the pool's pump should ideally be able to handle a flow rate of 50 gallons per minute. Select the pool shape and fill in the appropriate fields: 4 days ago · To calculate gallons per minute: Get a container (a bucket, for example) and keep a record of how many seconds it takes to fill the container with water. 4 days ago · Convert the height H into feet to get H ft. ft. Case Study 1: Residential Pool Conversion; Meet the Johnson family. Generally useful when time trialing in training ie 2000m TT or if your Jan 18, 2024 · To convert microwave cooking times: Multiply the food's label cooking time (in seconds) by the wattage required. By doing this, we're matching the energy transmitted by the label's device and your microwave. Dosage. Decrease Total Alkalinity. This calculator is easy to use and can help you save time and money on your tiling project. 58 lbs/s. 1 fl gal = 3. Here is a resource to help you and to convert units into those most useful to you. The result will be displayed in gallons per day. 78541178 L. . Now, you have the rebar weight. 6775, it is $0. 375 x 3,200 ppm ÷ 100 = 268 lbs of salt per 10,000 gallons. 402597 gal. 48052. You can convert over 140 currencies quickly and easily. What do you want to do? What is your pool volume? Your current pH level? Your target pH level? Which pH decreaser are you using? Talbotco - FINA Points. Task: Convert 27 feet to yards (show work) Formula: ft ÷ 3 = yd. That means you need to add about 200 pounds of salt to the pool water to bring your salt levels up to 3,200 PPM. HH (Minutes. Our calculator can also convert gallons of water to pounds and kilograms. However, the Center for Disease Control recommends free chlorine stay above 1 ppm in pools and 3 ppm in hot tubs. This calculator returns a variety of information regarding Internet Protocol version 4 (IPv4) and IPv6 subnets including possible network addresses, usable host ranges, subnet mask, and IP class, among others. For example, if you swam the 100-meter freestyle in 1:00. Converted times by any calculator are not always exact. Adjusts and lowers the pH level in pool water. For example, if your L-shaped pool has one section that is 20 feet long and 10 feet wide with an average depth of 8 feet, and a second section that is 10 feet long and 10 feet wide, with an average depth of 6 feet, you will calculate the volume like this: 20′ × 10′ × 8′ × 7. 0012) 12,000 x 8. Dosing Calculator. Calculate your pool volume. For this formula, you will need the pool dimensions for the average depth of your pool, as well as the radius (diameter × 1/2) of your pool. Now divide this product by your microwave's wattage. km to miles. Just enter your distance, time and the conversion you want, and get your results instantly. L / 3. 25 x 0. Aug 21, 2023 · 1 lbf = 4. Divide the volume of 20 US gal by the gallons per square foot G to convert it to square feet, 20/G ft2. To convert from liters to milliliters, multiply your figure by 1000 (or divide by 0. Choose Your Pool Shape. Looking for a pool calculator to help you calculate exactly what chemicals you will need to keep your pool water safe and sanitary? 732-451-1040 info@pooloperationmanagement. Select the unit of measurement from the drop-down list. For example, let’s say you swam the 500 yard freestyle in a short course yard pool in 4:53. 300. But it's not only about the length of the swimming pool. Since the SAFE price is higher than the S-A price, the SAFE automatically takes the lower price of the 2. Seconds. A – Area of the surface. The approximate density of sand is 1600 kg/m 3 (100 lb/ft 3 ). Verify your result using our gallons per square foot calculator. You can calculate the flow rate in five simple steps: Select the shape of the cross-section of the channel. 100. Multiply the volume by the material density. 1 m Pool Volume Calculator. It also estimates the cost of the mulch. Clinical laboratory units online conversion from conventional or traditional units to Si units. What are you converting today? Gallons to Liters. Calculate. The Association of Pool and Spa Professionals recommends free chlorine levels for both swimming pools and hot tubs be kept between 2. First choose the unit you want to convert from: Then select the link for the unit you want to convert it to. 25) Fractional Odds (1/4) Implied Probability (80%) Most betting sites offer each odds option. Use this Calculator to calculate your time switching between yards and meters. Based on the example equation, you would need to purchase 10 40-pound bags of pool salt. 48052 (conversion factor) Pool Volume = 30 × 15 × 5 × 7. Divide the volume by the time expressed in seconds to get gallons per second. To convert m 2 to ft 2, use the conversion factor. Unit of Measure for Library. Input all the measurements required to compute the cross-sectional area. Fill in the deep and shallow end depths: Calculate Pool Volume: Deep End: metres. Hundreths) Pool Length to convert time to. Total alkalinity is to pH what cyanuric acid is to free chlorine. 785. You need to enter all measured values in the same units. 20000. For example, if your pool is 25 feet long and 15 feet wide and you are losing 0. 34. Choose the unit of measurement for the distance you swam (yards or meters) in the “From” dropdown menu. Multiply H ft with 7. Jun 5, 2023 · Yards to meters (and vice versa) This swim time converter performs meters to yards conversion swimming, and the reverse - yards to meters swimming as well. nM. 28084. The exact time needed to change the pool temperature will vary based on evaporation rate, convection losses, thermal radiation losses and conduction losses (explained more below). For example, 30 minutes of rollerblading equals 4,680 steps (30 min × 156 steps/min = 4,680 steps). Add/Remove samples. Apr 3, 2019 · Convert SCY to SCM Example. litres. Enter your netmask (s) in CIDR notation How to Convert Activities into Steps. Whether you're contemplating a cozy backyard retreat or a luxurious aquatic centerpiece for your business, this calculator is the perfect starting point to understand the financial SI units Conversion Calculator. 48052 = 3,370. Enter the required information to calculate your pool volume. 1. 00 in a short course pool, the converter will tell you that your equivalent time in a long course pool would be 1:05. This will allow you to choose the correct amount of pool chlorine and other necessary pool chemicals to use once you know your pool volume in litres. Assuming the flow rate is 500 GPH, you can calculate the turnover rate by dividing the pool volume by the flow rate: Turnover Rate = Pool Volume / Flow Rate Turnover Rate Calculate the distance covered in kilometres and the average speed in metres per second swimming in a pool. As mains water is supplied in Britain in cubic metres, start by measuring in metres to obtain an answer in cubic metres. 58\ \mathrm{lbs/s} 30. Gender MALE FEMALE. Aug 21, 2023 · Solution. Shallow End: metres. The following calculator helps estimate the amount of mulch needed to cover an area such as a garden based on the necessary depth of the mulch layer. Gallon / Liters Conversions. 2. 8. Check out Pentair's easy-to-use pool volume calculator to calculate the volume of your swimming pool water by choosing the shape, dimensions and depth. ng/µL. How many feet of tape are on the roll? Wise’s currency converter will show you how much your money is worth in other currencies at the real exchange rate. This pressure definition relates to the force applied perpendicularly to the object's surface. Rating: Use Convert cubic feet to gallons by multiplying the cubic feet value by 7. to calculate your Pace, then enter in the Time and Distance. If the desired turnover time is 480 minutes (8 hours), using the formula, the flow rate would be: Flow Rate=24,000480=50 GPMFlow Rate=48024,000 =50 GPM. Convert from scale to actual (real) size. The efficiency during a race in water is also essential - and it differs between the types of the swimming pools. Fibreliner is the “world’s strongest liner” for commercial or residential swimming pools which allows Us to convert your vinyl liner pool into a one piece fiberglass eco-friendly swimming pool. Our pressure calculator uses the straightforward pressure formula below: p = F / A, where: p – Pressure; F – Force; and. HTH™ Pool calculator allows you to quickly determine your swimming pool’s volume in gallons. S-A is $0. Enter the time you wish to convert in the “Time” field, using the format hh:mm:ss. 4 to 7. The Pool Calculator takes care of all the math that might come up while you are keeping your swimming pool's water chemistry in balance, telling you exactly how much of each chemical to add. Maintaining both pH and total alkalinity in your swimming pool is important for keeping your pool properly sanitized and non-corrosive. 1 pH unit reduction. These case studies will give you a better understanding of the process and benefits of switching from a chlorine to a saltwater pool. 480519) = 37. Jan 18, 2024 · Calculate the concrete blocks cost, which is done by inputting the price of a single block. 25 inches of water per day, the calculation would be: PL = 25 x 15 x 0. 48 = 11,968 gallons. com When it comes to converting a pool to saltwater, the biggest expense is the cost of a chlorine salt generator. ng/µl. com Conversion Calculator converts length, area, weight, and temperature. 0 ppm. The second step is to enter the number of weeks you will be running your pool in the box below to determine the estimated amount of each Sustain System Product your pool requires for one season. Learn more about pool volume calculator, Visit SwimmingPool. You have a roll of tape and the label says there are 15 meters of tape on the roll. Using the conversion ratio to complete the unit conversion, basically multiplying the input by 1, the m2 units cancel out, and we are left with ft2 units. Pool Length where time was achieved. gallons = (5 ft³ × 7. 480519. In ground Pool Kits, Above Ground Pool Kits The tool will then calculate the equivalent time for the other pool lengths. Use it to adjust everything from pH and alkalinity to calcium hardness and free chlorine. Click for pools over 20k gallons. 78541178 L / fl gal. ipcalc takes an IP address and netmask and calculates the resulting broadcast, network, Cisco wildcard mask, and host range. Chlorine to Saltwater Pool Conversion: Case Studies. The tool below will convert between various pools using the Swimming NZ conversion factors. For a pool that is 20 feet long, 10 feet wide, and 5 feet deep, the surface area would be calculated as follows: Surface Area = 2 x (20 x 10) + 10 x 5 + 20 x 5. The Slope Calculator is capable of carrying out mathematical operations with the following algorithms: Slope Length is the square root of (Rise squared plus Run squared) The angle of a slope can be calculated using the online Slope calculator. Enter your pool shape, length, width, shallow- and deep-end depths into our Pool Volume Calculator to find your pool's volume in gallons. There is finer and more coarse sand, so the density, measured for dry sand in kg per cubic meter or pounds per cubic Swimming Time Converter Calculator. Pool Length Conversion Tool. Pooling Calculator. Over 30 years in the pool and spa industry, certified pool technicians on staff, and only the best components in our Inground Pool kits. The ideal pool pH level is 7. The Dimensions. Convert Insulin level to pmol/L, µIU/mL, mIU/L. 5 horsepower, the recommended RPM range is typically between 3000 and 3450 RPM. Converts To - SCY - LCM A Swimming Pool Chemical Calculator. Let’s take a closer look at two real-life examples of pool conversions. Example Meters to Feet Conversion. Liters to Gallons Whether you are planning to tile a floor, wall, or roof, you can use this calculator to estimate the number of tiles you need to cover the area. With the length (L) and diameter (d) of the rebar, calculate the rebar volume using: (3. This is useful when you need to compare times across pools of different measurement units such as indoor and outdoor pools. Select your unit from the various options, enter a value, and generate a list of related resulting conversions. There are 1000 milliliters in 1 liter. Jan 18, 2024 · To calculate the weight of a length of rebar: If it is standardized rebar, find the manufacturing code and check its density. To account for the speed advantages of short course pools over long course pools, conversion factors are applied to the swum times to enable comparisons to be made and meet entry times to be generated. Convert gallons to liters and vice versa. Pool Gallons: 14000. For background on what the various numbers mean, see Basic Pool Chemistry . Some sample converted times: Simone Manuel’s 45. Input the average velocity of the flow. All you need to do is plug in your pool volume (which you calculated above) and your current salt levels (which you tested for) and hit “calculate. Desired Pool Stabilizer: 70. Result: 27 ft is equal to 9 yd. Add Muriatic Acid (ounces) 0. Enter the scale factor; for example, if you wish to work with a 1/6th scale, input 6. 1 kilowatthour = 3,412 Btu ( standard conversion factor) cubic feet Btu megajoules cubic meters. Surface Area (in square feet) = 2 x (Length x Width) + Width x Depth + Length x Depth. Exact amounts vary based on current pH and pool size. ce mj ls pf mz un fb ke bh wt