4 calculators
Plumbing & Water
Pipe volume, drain fall, tanks, flow rate.
Pipe Volume CalculatorWater in a pipe run, and time to get hot waterDrain Fall CalculatorTotal fall at 1:40, 1:80 and moreTank Volume CalculatorCylinder or rectangular tank, full or part-filledFlow Rate CalculatorBucket test to flow, and time to fill