Swimming Pool Volume (Gallons) from Dimensions Calculator
Calculates the volume of a rectangular swimming pool in gallons and litres: volume = L × W × avg_depth × 7.48052 gallons...
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Calculates the volume of a rectangular swimming pool in gallons and litres: volume = L × W × avg_depth × 7.48052 gallons...
Compute the cubic yards of soil to excavate from a rectangular pit (length × width × depth) plus a swell-factor uplift t...
Split the required attic ventilation area 50/50 between intake (soffit) and exhaust (ridge) and convert each half to lin...
Compute the daily pool pump runtime needed to achieve a target number of complete water turnovers, from the pool volume...
Compute the total square-feet of hardwood flooring to order for a room: multiply length × width to get the floor area, t...
Compute the per-serving cost of a recipe by summing the cost of up to five ingredients and dividing by the number of ser...
Compute the total roof surface area of a simple gable (two-pitch) roof from the ridge length, the horizontal half-span (...
Compute the burn time of a propane tank given its size in gallons and the appliance's BTU/hr rating. 1 US gallon of liqu...
Estimate a household's daily water usage in gallons from typical fixture flow rates and use frequencies: toilets (1.6 ga...
Compute the recovery rate (gallons per hour) of a gas water heater from its BTU input rating, its efficiency, and the de...
Compute the length of soaker hose needed to lay parallel runs across a rectangular garden bed at a chosen row spacing: l...
Compute heating degree-days (HDD) for a 7-day window by summing max(0, base − daily_average_T) across each day. Used by...
Compute the recommended supply-duct airflow (CFM) for a room from its square footage, ceiling height, and target air-cha...
Compute the number of roofing nails needed for an asphalt-shingle roof, given the roof area in squares (1 square = 100 f...
Estimates monthly and annual fuel cost: monthly cost = (monthly miles / MPG) × price per gallon. Also converts between M...
Compute the gallons of deck stain needed to coat a deck of given square footage given the per-gallon coverage rate (typi...
Estimate the minimum gallons-per-minute flow rating a tankless (on-demand) water heater needs to handle your simultaneou...
Compute the per-day, per-person, and total daily-rate budget for a holiday from total budget, days, and travellers.
Calculate tips and split bills across any number of people.
Estimate the time to shovel a driveway from its area and snow depth, given a typical clearance rate (≈ 25 sq ft of light...
Size a bathroom exhaust fan in CFM using the Home Ventilating Institute target of 8 air changes per hour: CFM = area_sq_...
Compute the straight-line annual depreciation of a vehicle: (purchase price − residual value) / useful life in years. Re...
Estimate the number of 2"×3" (handles ~600 ft² roof area) or 3"×4" (~1200 ft²) downspouts needed for a roof, based on th...
Compute the ounces of two-stroke oil to add per US gallon of gasoline for a chosen fuel-to-oil mix ratio (e.g. 50:1, 40:...