- Volume Calculator
- Area Calculator
- Perimeter Calculator
- Surface Area Calculator
- Circle Calculator
- Rectangle Calculator
- Triangle Calculator
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Weight to Volume CalculatorConvert weight (mass) to volume using density. Enter grams, kg, lb or oz plus density to get volume in mL, liters and cm³ instantly.
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Round Pool Volume CalculatorCalculate the water volume of a round (circular) swimming pool in US gallons and cubic feet from its diameter and average depth.
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Raised Garden Bed Soil CalculatorCalculate how much soil you need for a raised garden bed in cubic feet, cubic yards, and number of bags. Enter length, width, and depth.
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Fill Dirt CalculatorCalculate how much fill dirt you need in cubic yards and tons. Enter length, width and depth to estimate volume, weight and cost for your project.
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Rectangular Pool Gallons CalculatorCalculate how many gallons of water your rectangular swimming pool holds using length, width, and average depth. Free, instant pool volume calculator.
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Water Tank Capacity CalculatorCalculate water tank capacity in liters for rectangular or cylindrical tanks. Enter dimensions in meters to get volume, liters and US gallons instantly.
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Shipping Box Volumetric Weight CalculatorCalculate the volumetric (dimensional) weight and volume of a shipping box from its length, width, height and the carrier dimensional divisor (5000, 6000 or 4000).
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Box Volume CalculatorCalculate the volume of a rectangular box from length, width and height. Get results in cubic inches, cubic feet, liters and US gallons instantly.
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Bucket Volume CalculatorCalculate the volume of a tapered bucket from its top diameter, bottom diameter and height. Get results in liters, US gallons and UK gallons instantly.
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Hot Tub Volume CalculatorCalculate how many gallons of water your hot tub holds. Enter the shape and dimensions to estimate volume in gallons, liters and cubic feet.
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Horizontal Cylindrical Tank Volume CalculatorCalculate the liquid volume in a horizontal cylindrical tank for any fill height. Get partial-fill volume, fill %, liters and US gallons instantly.
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Oval (Stadium) Tank Volume CalculatorCalculate the volume of an oval (stadium / capsule cross-section) tank from its width, height and length. Get liters, cm³ and US gallons instantly.
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Circle Perimeter from Diameter CalculatorCalculate the perimeter (circumference) of a circle from its diameter using C = πd. Instantly get circumference, radius, and area for any diameter.
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Semicircle Perimeter CalculatorCalculate the perimeter of a semicircle from its radius using P = πr + 2r = r(π + 2). Free, instant, and shows the arc and diameter parts.
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Equilateral Triangle Perimeter CalculatorCalculate the perimeter of an equilateral triangle instantly using P = 3a. Enter the side length to get the total perimeter in one click.
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Mulch Coverage CalculatorCalculate how many square feet a bag of mulch covers and how many bags you need based on area, depth, and bag size. Free landscaping tool.
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Room Area Calculator (Square Feet & Square Meters)Calculate room area from length and width in feet or meters. Instantly convert between square feet and square meters for any room.
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Circle Area from Diameter CalculatorFind the area of a circle from its diameter instantly. Uses A = πd²/4. Also shows radius and circumference. Fast, free, and accurate.
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Surface Area of a Rectangular Prism CalculatorCalculate the surface area of a rectangular prism (cuboid) from its length, width, and height using A = 2(lw + lh + wh). Free and instant.
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Surface Area of a Square Pyramid CalculatorCalculate the total surface area of a square pyramid from its base edge and height. Includes base area, lateral area, and slant height instantly.
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Surface Area of a Cone CalculatorCalculate the total surface area of a cone from its base radius and height. Get base area, lateral area, slant height and total area instantly.
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Volume to Weight CalculatorConvert volume to weight (mass) using density. Enter volume in mL, L, m³ or gallons and density to get mass in kg, grams and pounds.
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Wall Paint Surface Area CalculatorCalculate the wall surface area of a room and the paint needed. Deducts doors and windows from the gross area to give net square feet and gallons.
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Heron's Formula Area CalculatorFind a triangle's area from its three side lengths using Heron's formula. Enter sides a, b, and c to get the area, semi-perimeter, and perimeter instantly.
