🚰 Plumbing calculators
Explore water volume, flow, storage and drainage planning estimates.
Choose a calculator for the job in front of you. Each tool opens without an account and keeps your working data in your browser.
⏱️ Fill TimeEstimate time to fill a tank or container.🧪 Pipe VolumeCalculate water held inside a pipe run.📐 Drain FallCalculate vertical fall across a pipe run.📏 Water Pressure HeadConvert water elevation into approximate pressure.🛢️ Tank CapacityCalculate cylindrical tank capacity.🚿 Fixture DemandEstimate simultaneous water demand from fixtures.⚙️ Pump Transfer TimeEstimate pumping time from flow and efficiency.♨️ Hot Water EnergyEstimate energy to heat a water volume.💦 Leak LossEstimate water lost from a measured leak rate.➡️ Pipe VelocityEstimate water velocity from flow and diameter.