Typical electricity cost
How much does a Mini Fridge cost to run?
Based on typical usage
A Mini Fridge typically draws about 90 watts when its cooling cycle is active, averaging around $0.00 per hour at $0.15 per kWh.
At typical use (35% active runtime over 24 hours), that's about $3.40 per month and $41.39 per year.
Based on
- 90 watts
- 35% active runtime over 24 hours
- Typical temperature setting
- $0.15 per kWh
What affects cost most
- Average active runtime over a full 24-hour day
- Electricity rate in dollars per kWh
- Temperature setting, door openings, and room temperature
How it works: Daily cost uses wattage, average active runtime over 24 hours, and electricity rate. Monthly uses daily × 30; yearly uses daily × 365.
Use the calculator below to estimate cost based on your own wattage, usage time, and electricity rate.
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1. Device
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3. Rate
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How Much Electricity Does a Mini Fridge Use?
These example monthly costs show how duty cycle and settings change the recurring background cost.
Example monthly costs
-
Light Use 25% active runtime over 24 hours and Warmer / Eco setting$2.19/month
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Typical Use 35% active runtime over 24 hours and Typical setting$3.40/month
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Heavy Use 50% active runtime over 24 hours and Colder setting$5.44/month
Get a better estimate and keep costs down
Defaults give you a starting point, but always-on equipment can look very different once you adjust active runtime and the real power draw in your setup.
What changes cost most
- Average active runtime over a full 24-hour day
- Electricity rate in dollars per kWh
- Temperature setting, door openings, and room temperature
How to get a better estimate and lower cost
- Replace the default electricity rate with the actual rate from your latest power bill.
- Adjust the active runtime percentage to match how often the device is actually heating, cooling, or cycling.
- Match the temperature setting to your real target, especially for heating and cooling equipment.
- Keep the coils and vents clear for airflow.
- Avoid placing the unit in hot garages or direct sun.
- Set the temperature only as cold as needed.
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