household · free Companion App · local in this browser
Laundry Water Cost Check
Turn loads a week, gallons a load, and the water rate into a week, year, and per-load cost.
Enter your numbers
Enter only the details needed for this task. Check them against the original source.
Your result
Your result will appear here.
Engine self-test
Running golden cases…
Source notes
- U.S. Environmental Protection Agency, WaterSense — WaterSense at Work
WaterSense publishes water-efficiency guidance and fixture specifications for homes and workplaces.
Reviewed 2026-10-10. Household water rates and fixture models differ. Use your own utility bill and fixture documentation.
- American Cleaning Institute — Laundry Guidelines
Detergent load counts depend on dose size; overdosing detergent does not improve cleaning.
Reviewed 2026-10-10. Water hardness, load size, and soil level change the appropriate dose.
What this App does not do
This App estimates water cost from the numbers you enter. It does not measure machine use or rate your habits.
This free App has no paid features. It does not contact an agency, employer, bank, seller, provider, or other person.