Water Leak Cost Calculator
Calculate how much a leaking faucet, toilet, or pipe costs in wasted water per year.
drips
mL
USD/1000 gal
Annual Water Wasted
69 gallons
Annual Cost of Leak0.35 USD
Daily Waste0.19 gallons
Monthly Cost0.03 USD
Annual Water Wasted vs Water Rate
How to Calculate Water Leak Costs
Even a slow drip wastes significant water over time.
Formula
Daily Gallons = Drips/min * mL/drip * 1,440 min/day / 3,785.41 mL/gal
Annual Cost = Daily Gallons * 365 * Rate
Common Leak Rates
Example Calculation
A faucet dripping 10 times per minute, 0.05 mL per drip, at $5/1000 gal.
- 01Daily waste: 10 * 0.05 * 1,440 / 3,785.41 = 0.19 gallons
- 02Annual waste: 0.19 * 365 = 69 gallons
- 03Annual cost: 69 * $5 / 1,000 = $0.35
- 04Note: A faster drip or running toilet wastes far more