Fan Annual Operating Cost Calculator
Yearly electricity cost of running a fan.
Enter your values
Enter the fan power draw in kW.
Enter the annual run hours in hr.
Enter the electricity rate in $/kWh.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Annual energy use
- 48,180 kWh
- Annual cost
- $6263
- Monthly average cost
- $522
- Cost per operating hour
- $0.715
Quick answer
Annual operating cost equals fan power in kW times annual run hours times the electricity rate per kWh.
Cost = kW x hours x rate
At a glance
| What it does | Yearly electricity cost of running a fan. |
|---|---|
| Category | HVAC & Airflow |
| Inputs needed | Fan power draw, Annual run hours, Electricity rate |
| Main output | Annual energy use |
| Formula | Cost = kW x hours x rate |
| Cost | Free — no sign-up, no download |
How to use the Fan Annual Operating Cost Calculator
- 1Enter the fan's measured or nameplate power draw in kW.
- 2Enter the annual run hours (8,760 for continuous operation).
- 3Enter the electricity rate to get the annual and monthly cost.
Inputs explained
- Fan power draw(kW)
- Enter the fan power draw in kW.
- Annual run hours(hr)
- Enter the annual run hours in hr.
- Electricity rate($/kWh)
- Enter the electricity rate in $/kWh.
Worked example
Using the values the calculator loads with:
Inputs
- Fan power draw5.5 kW
- Annual run hours8760 hr
- Electricity rate0.13 $/kWh
Results
- Annual energy use48,180 kWh
- Annual cost$6263
- Monthly average cost$522
- Cost per operating hour$0.715
Frequently asked questions
Where do I get kW from horsepower?
Multiply brake horsepower by 0.746, then divide by motor efficiency.
Does this include demand charges?
No — this is energy cost only; add demand charges separately for large fans.
What do I need to enter into the Fan Annual Operating Cost Calculator?
Just 3 values: fan power draw, annual run hours, electricity rate. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Fan Annual Operating Cost Calculator work out the answer?
Annual operating cost equals fan power in kW times annual run hours times the electricity rate per kWh. It applies the formula Cost = kW x hours x rate and shows the working so you can check each step by hand.
Is the Fan Annual Operating Cost Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.