ClutchCalcs

Construction

Pipe Volume Calculator

How much water lives in your pipes? Useful for purging, freezing risk, hot-water lag, and chemical dosing.

Gallons

Cubic inches
Liters
Weight (lb)

FAQ

Why does this matter? +
Hot water lag is real — a long 3/4" run holds enough cold water to delay your shower 30+ seconds. Recirculation pumps fix this.
Used for chemical dosing? +
Yes — for shock chlorination of well systems, you need to know total system volume.