TNK
Tank Volume Calculator
A tank's capacity and how much is in it, in litres and US gallons: upright or lying cylinders and boxes.
Result…
How it's calculated
Vertical cylinder = π r² h Horizontal cylinder, liquid depth f: L × (r² acos((r − f) ÷ r) − (r − f) √(2rf − f²)) Rectangular = l × w × h 1 US gallon = 3.785411784 L
Works out what a tank holds when full and how much is in it now from the depth of the liquid, in litres and US gallons. A horizontal cylinder fills unevenly (the middle holds the most), so its contents come from the area of a circular segment. Use the inside dimensions of a flat-ended tank.
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