Convert Kilowatt-hour to Megawatt-hour

1 kilowatt-hour = 0.001 megawatt-hour (MWh). For example, 10 kilowatt-hour = 0.01 megawatt-hour and 100 kilowatt-hour = 0.1 megawatt-hour. Type any value below to convert kilowatt-hour to megawatt-hour both ways — it runs entirely in your browser.

Kilowatt-hour to Megawatt-hour conversion formula

To convert kilowatt-hour to megawatt-hour, multiply by 0.001:

megawatt-hour = kilowatt-hour × 0.001

Going the other way, 1 megawatt-hour = 1,000 kilowatt-hour, so kilowatt-hour = megawatt-hour × 1,000.

Kilowatt-hour to Megawatt-hour — worked examples

Kilowatt-hourMegawatt-hour
1 kWh0.001 MWh
2 kWh0.002 MWh
3 kWh0.003 MWh
5 kWh0.005 MWh
10 kWh0.01 MWh
25 kWh0.025 MWh
50 kWh0.05 MWh
100 kWh0.1 MWh

Kilowatt-hour ↔ Megawatt-hour reference table

Kilowatt-hour → Megawatt-hour Megawatt-hour → Kilowatt-hour
1 kWh = 0.001 MWh 1 MWh = 1,000 kWh
2 kWh = 0.002 MWh 2 MWh = 2,000 kWh
5 kWh = 0.005 MWh 5 MWh = 5,000 kWh
10 kWh = 0.01 MWh 10 MWh = 10,000 kWh
20 kWh = 0.02 MWh 20 MWh = 20,000 kWh
50 kWh = 0.05 MWh 50 MWh = 50,000 kWh
100 kWh = 0.1 MWh 100 MWh = 100,000 kWh
250 kWh = 0.25 MWh 250 MWh = 250,000 kWh
500 kWh = 0.5 MWh 500 MWh = 500,000 kWh
1000 kWh = 1 MWh 1000 MWh = 1,000,000 kWh

About kilowatt-hour and megawatt-hour

Kilowatt-hour: A kilowatt-hour is 1,000 watt-hours — exactly 3,600,000 joules (3.6 MJ). It is the "unit" your electricity meter bills.

Megawatt-hour: A megawatt-hour is one million watt-hours — 3.6 × 10⁹ joules (3,600 kWh). Used for power-station output and grid-scale energy.

Frequently asked questions

How many megawatt-hour are in 1 kilowatt-hour?
1 kilowatt-hour = 0.001 megawatt-hour (MWh).
How do I convert kilowatt-hour to megawatt-hour?
Multiply the number of kilowatt-hour by 0.001. For example, 10 kilowatt-hour = 10 × 0.001 = 0.01 megawatt-hour.
How many kilowatt-hour are in 1 megawatt-hour?
1 megawatt-hour = 1,000 kilowatt-hour.
Which is bigger, kilowatt-hour or megawatt-hour?
1 megawatt-hour equals 1,000 kilowatt-hour, so a megawatt-hour is the larger unit.

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