How to use the Refrigerator Energy Usage Calculator
The Formula
Monthly kWh ≈ (watts × 24 × 30) ÷ 1,000. Compressors cycle—150 W average is common for modern fridges.
Practical Example
Older units can use 2× the energy of Energy Star models. Check the yellow EnergyGuide label for rated kWh/year.
About Refrigerator Energy Usage Calculator
Fridge energy estimate
Monthly kWh ≈ (watts × 24 × 30) ÷ 1,000. Compressors cycle—150 W average is common for modern fridges.
Energy Star tip
Older units can use 2× the energy of Energy Star models. Check the yellow EnergyGuide label for rated kWh/year.
Frequently asked questions
Q: Why 24 hours? A: Fridges run intermittently all day; average watts accounts for on/off cycles.