Water Leak Cost Calculator
Estimate water wasted and utility cost from a measured leak flow, daily duration, number of days, water rate and optional sewer surcharge.
Default project preview
$77.76
Daily water loss
144 gal
Base water charge
$51.84
Sewer surcharge
$25.92
Annualized water loss
52,560 gal
Calculator
Build the material order
Your order will appear here
Enter the project details and calculate a rounded material estimate.
Methodology
Transparent calculation
BuildMeter converts every input to a consistent internal unit, applies the selected allowance, and rounds products up to whole purchasable units.
Lost volume = flow rate × minutes leaking. Water cost uses thousands of gallons in imperial mode or cubic metres in metric mode. The optional sewer surcharge is added as a percentage of the water charge.
BuildMeter Guides
Understand the measurements and assumptions
Use these visible reference guides before changing project inputs or planning allowances.
FAQ
Water Leak Cost Calculator questions
How can leak flow be measured?+
A timed container test can estimate visible flow. For hidden leaks, compare water-meter readings while fixtures are off.
Why include a sewer surcharge?+
Many utilities bill wastewater as a percentage of water use, though policies differ and outdoor or verified leaks may be adjusted.
Does this include property damage?+
No. It estimates metered water and optional wastewater charges only.