Household load / cost worksheet
Turn appliance watts into a cost you can check.
Use the numbers on the label, not a sales promise. WattFigure shows every assumption and keeps your working list only for this browser session.
Your working list
Build your appliance ledger
Add what runs, how long it runs, and what your utility charges.
preliminary residential average. EIA source
Common household loads
Start with a realistic operating pattern
Each worksheet explains what wattage means, where cycling matters, and which number to verify on your appliance.
Refrigerator Electricity Cost
Estimate refrigerator running cost using wattage, compressor duty cycle, local electricity price, and measured energy use.
Read the estimate Appliance estimateFreezer Electricity Cost
Estimate chest or upright freezer electricity cost while accounting for cycling, room temperature, and equipment condition.
Read the estimate Appliance estimateWindow Air Conditioner Electricity Cost
Calculate the cost of a window air conditioner from rated input power, operating hours, cycling, and your electric rate.
Read the estimate Appliance estimatePortable Air Conditioner Electricity Cost
Estimate portable air conditioner energy use and compare it with other cooling options using transparent assumptions.
Read the estimate Appliance estimateSpace Heater Electricity Cost
Estimate electric space heater costs by wattage, thermostat cycling, daily hours, and the price on your utility bill.
Read the estimate Appliance estimateClothes Dryer Electricity Cost
Calculate electric dryer cost per load, month, and year using rated power and realistic cycle duration.
Read the estimate Appliance estimateWashing Machine Electricity Cost
Estimate washer electricity cost and understand why hot-water energy may matter more than the machine motor.
Read the estimate Appliance estimateDishwasher Electricity Cost
Estimate dishwasher electricity cost per cycle and account for heated water and drying choices.
Read the estimate Appliance estimateElectric Oven Electricity Cost
Estimate the electricity cost of baking or roasting from oven input power, cycle time, and thermostat duty cycle.
Read the estimate Appliance estimateMicrowave Electricity Cost
Calculate microwave electricity cost using input wattage and actual cooking minutes rather than advertised output power.
Read the estimate Appliance estimateDehumidifier Electricity Cost
Estimate dehumidifier cost while accounting for humidistat cycling, room conditions, and drainage setup.
Read the estimate Appliance estimateTelevision Electricity Cost
Estimate TV electricity cost from measured or labeled input power, viewing time, picture settings, and standby use.
Read the estimateRead before estimating
Understand the number before you use it
How to Calculate Appliance Electricity Cost
A complete, auditable method for converting watts and operating time into daily, monthly, and annual electricity costs.
Read the guide Practical guideHow to Measure Appliance Wattage
Learn when to use a nameplate, EnergyGuide label, plug-in meter, or utility data for a defensible energy estimate.
Read the guide Practical guideUnderstanding Appliance Duty Cycle
Understand why thermostatic and compressor-driven appliances draw rated power only part of the time.
Read the guide Practical guideHow to Read an EnergyGuide Label
Use the yellow EnergyGuide label correctly, including annual kWh, estimated cost assumptions, and comparison ranges.
Read the guide Practical guideHow to Find Your Electricity Rate
Find a useful cents-per-kWh estimate on a bill and understand fixed fees, tiers, taxes, and time-of-use pricing.
Read the guide Practical guideHow to Compare Appliance Energy Use
Compare appliances fairly by normalizing cycle length, frequency, quantity, duty cycle, and electricity price.
Read the guide Practical guidePlanning for Seasonal Appliance Costs
Build summer and winter scenarios without pretending one month represents a full year of appliance use.
Read the guide Practical guideWhy Your Electric Bill Changes
Separate usage, price, weather, billing-period, and fixed-charge effects before blaming one appliance.
Read the guide