Electricity Cost Calculator

Calculator Tools

Units and bill of any appliance

FreePrivateInstant
Power (watts)
Hours used per day
Number of appliances
Rate per unit (₹ / kWh)
Full guide, 4 min readWhat your appliances cost per month: watts, hours and units explainedRead the story behind this tool →
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History

All history →

Electricity Cost Calculator — at a glance

Find out how many units (kWh) an appliance uses and what it costs per day, month and year.

Your values
1500 W for 2 hours a day
Run
Result
≈ ₹720 per month

How to use it — step by step

Appliance watts, daily hours and your rate per unit.

1

Enter your values

Fill in the boxes. Sample values are already there so you can see how it works.

2

Calculate

Press the button to get your answer instantly.

3

Read the result

The main answer is shown in a large card with extra details below it.

4

Copy it

Use the copy button to save the result anywhere.

Pro tips

Small things that make the result better.

✦The watts are printed on the appliance label.
✦1 unit of electricity = 1 kilowatt-hour (kWh).
✦Slab rates differ by state — use your average rate per unit.

Quick facts

Freeno signup, no limit
Instantresult in a moment
Privatenothing is uploaded
Any devicephone, tablet or PC

Frequently Asked Questions

What is a unit?+

One unit is 1 kWh, the energy used by a 1000 W appliance running for one hour.

Is my data safe?+

Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.

Is this tool really free?+

Yes — completely free, no signup, no watermark and no usage limit.

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