PRO CENTER CAREERS Search Products GO CONTACT US PRODUCTS GO WITH MANSFIELD RESOURCES PROFESSIONALS WHERE TO BUY Water Savings Calculator Home / Resources / Water Savings Calculator Replacing your old toilet could make a big difference in your annual water bill. Select the number of people in your household below to see how much you’re saving. People in your Household 1 2 3 4 5 6 7 8 Price Per Gallon $ The average US cost is $0.006/gallon. Refer to your water bill for this information. Gallons Saved Annually Dollars Saved Annually 3.5 Gpf vs. 1.6 Gpf: 6,935 gal. 3.5 Gpf vs. 1.6 Gpf: $41.61 3.5 Gpf vs. 1.28 Gpf: 8,103 gal. 3.5 Gpf vs. 1.28 Gpf: $48.62 3.5 Gpf vs. 1.0 Gpf: 9,125 gal. 3.5 Gpf vs. 1.0 Gpf: $54.75 Assumptions: Number of flushes per person : about 5 per day Old toilets (prior to 1993): use 3.5 gallons per flush Low consumption toilets (after 1994): use 1.6 gallons per flush High-Efficiency Toilets (HET’s): use 1.28 or 1.0 gallons per flush Resources Frequently Asked Questions Warranty Info Resource Links Water Savings Calculator GMROI Calculator Product Comparison COMPANY Careers Distributors Made in the USA Green Plumbing Supplies California Supply Chains Act A Corona Company SUPPORT Replacement Parts Contact Us Privacy Policy Terms & Conditions Email Signup LOCATION Corporate Headquarters: 150 East 1st Street Perrysville, OH 44864 877-850-3060 Map E-BUSINESS LOGIN PRO CENTER MANSFIELD VIRTUAL STORE - APPAREL & PROMOTIONAL ITEMS Copyright © 2021 Mansfield Plumbing. All Rights Reserved.