Dryer cost depends on energy per cycle and how often you run it. Power multiplied by cycle time is a useful estimate when power is roughly constant. For a cycling resistance or heat-pump dryer, measured average cycle power is more useful than the highest nameplate input.
How to use
- Enter the dryer electrical power and typical cycle duration.
- Set weekly loads and your electricity price.
- Review cost per load and the longer-term totals, then compare realistic cycle durations when exploring alternatives.
How the calculation works
Energy per load (kWh) = watts ÷ 1,000 × cycle minutes ÷ 60. Weekly cost = cost per load × weekly loads. Annual estimate uses 52 weeks; monthly estimate is annual ÷ 12.
Example
An average 3,000 W draw for 60 minutes uses 3 kWh. At $0.20/kWh, one load costs $0.60; five weekly loads cost $156 across 52 weeks.
Factors affecting the result
- Residual moisture after washing strongly affects drying time.
- Sensor programs and heater cycling change average draw.
- Gas fuel, detergent, maintenance and appliance purchase cost are excluded.
Frequently asked questions
Does this work for a heat-pump dryer?
Yes if you enter a representative average electrical draw and cycle duration. Do not assume its peak rating is used throughout the cycle.
Why does monthly cost use more than four weeks?
Twelve four-week months account for only 48 weeks. This tool spreads a 52-week estimate across 12 months.
Sources & methodology
Calculation basis: Physics-based energy estimate. Methodology
- Clothes Dryers: Buying Guidance — ENERGY STAR
- Measuring electricity — U.S. Energy Information Administration
Last updated: September 15, 2026