4 calculators
Plumbing & Water
Pipe volume, drain fall, tanks, flow rate.
Pipe Volume CalculatorWater in a pipe run, and time to get hot waterDrain Slope CalculatorDrop over a run at 1 in 50 (about ¼" per foot)Tank Volume CalculatorCylinder or rectangular tank, full or part-filledFlow Rate CalculatorBucket test to flow, and time to fill