U.S. HOUSEHOLD UTILITY ANALYSIS
Find what’s
driving the bill.
Rebuild electricity, gas, water and sewer charges with transparent formulas—then focus on the line item that actually changed.
ILLUSTRATIVE HOUSEHOLD · EDIT VALUES BELOW
FLAGSHIP TOOL · LAB-01
Audit the whole bill
Enter line-item totals from every household utility. The lab combines them, compares the previous period and annualizes the current pace.
Planning estimate. Your utility’s tariff, taxes, tiers and adjustments control the actual bill.
THE TOOL BENCH
One bill. Twelve ways in.
Start with a total, a meter unit, or one suspected load. Every calculator shows the formula and the limits of the estimate.
Electric bill
Estimate a monthly electric bill from kWh, a state reference rate and fixed charges.
Run calculator ↗Appliance cost
Turn an appliance wattage and daily runtime into monthly kWh and dollars.
Run calculator ↗A/C cost
Estimate the monthly cost of running a central or window air conditioner.
Run calculator ↗Space heater
See the daily, monthly and seasonal cost of a portable electric heater.
Run calculator ↗EV charging
Estimate energy drawn from the wall and home-charging cost from monthly mileage.
Run calculator ↗Natural gas bill
Estimate a gas bill from therms, price per therm and the monthly customer charge.
Run calculator ↗U.S. residential electricity average per kWh
DATA WITH A DATE
A default is a starting point, not your rate.
State electricity values come from the U.S. Energy Information Administration. Water and sewer are local, so those tools ask for the rates printed on your bill or municipal tariff.
See data status and sources →FIELD NOTES
Read the bill before changing the house.
How to Read an Electric Bill Without Guessing
A line-by-line method for separating usage, rates, delivery charges and one-time adjustments.
Read field note ↗02 / 8 minWhy Is My Electric Bill So High? A Diagnostic Order
Check the evidence in the right sequence before blaming an appliance or the utility.
Read field note ↗03 / 6 minHow to Calculate an Appliance’s Electricity Cost
A transparent watts-to-dollars formula, plus the common mistakes that distort it.
Read field note ↗