Megawatt-Hour to BTU (th) Converter

Energy Converter

27 units available

Decimals:

From

To

3,414,425.949637

1 MWh = 3,414,425.949637 BTU

Formula:

BTU = MWh × 3,414,425.9496372174

With your value: 1 MWh = 3,414,425.94963722 BTU

How big is that?

Everyday references on a logarithmic scale, all expressed in megawatt-hour so you can sanity-check the result.

Heartbeat (1/3.6e+9 your value)2.78e-10 MWh

AA battery charge (1/3.6e+5 your value)0.00000278 MWh

Slice of bread (1/1.3e+4 your value)0.0000778 MWh

Daily food intake (1/4.3e+2 your value)0.00233 MWh

Litre of petrol (1/1.1e+2 your value)0.00950 MWh

Your value1.00 MWh

Other Megawatt-Hour to BTU (th) conversions

2 MWh to BTU 3 MWh to BTU 4 MWh to BTU 5 MWh to BTU 6 MWh to BTU 7 MWh to BTU 8 MWh to BTU

Megawatt-Hour to BTU (th) Conversion Table

Megawatt-Hour (MWh)	BTU (th) (BTU)
0.5	1,707,212.974819
1	3,414,425.949637
2	6,828,851.899274
5	17,072,129.748186
10	34,144,259.496372
15	51,216,389.244558
20	68,288,518.992744
25	85,360,648.74093
50	170,721,297.481861
100	341,442,594.963722
250	853,606,487.409304
500	1,707,212,974.818609
1000	3,414,425,949.637218

BTU (th) to Megawatt-Hour Conversion Table

BTU (th) (BTU)	Megawatt-Hour (MWh)
0.5	1.464375e-7
1	2.928750e-7
2	5.857500e-7
5	1.464375e-6
10	2.928750e-6
15	4.393125e-6
20	5.857500e-6
25	7.321875e-6
50	1.464375e-5
100	2.928750e-5
250	7.321875e-5
500	0.000146
1000	0.000293

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Megawatt-Hour (MWh)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

BTU (th) (BTU)

Energy

Exact conversion

The International Table BTU is exactly 1055.055 852 62 J.

Thermochemical and 39 °F BTU definitions differ by up to 0.2 %.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Megawatt-Hour to BTU (th)

To convert from Megawatt-Hour (MWh) to BTU (th) (BTU), multiply the value by 3,414,425.9496372174.

Formula: BTU = MWh × 3,414,425.9496372174

Reverse: MWh = BTU × 2.928750e-7

Step-by-Step Example

Start with your value in Megawatt-Hour. For example: 5 MWh
Multiply by the conversion factor: 5 x 3,414,425.9496372174
The result is: 17,072,129.748186 BTU

About Megawatt-Hour

The megawatt-hour (MWh) is a unit of energy and work. One megawatt-hour equals 3.600000 × 10^+9 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

About BTU (th)

The btu (th) (BTU) is a unit of energy and work. One btu (th) equals 1054.35 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

Frequently Asked Questions

How many BTU (th) are in 1 Megawatt-Hour?

There are exactly 3,414,425.9496372174 BTU (th) in 1 Megawatt-Hour. This means the conversion factor from Megawatt-Hour to BTU (th) is 3,414,425.9496372174.

What is the formula to convert Megawatt-Hour to BTU (th)?

The formula to convert Megawatt-Hour to BTU (th) is: BTU = MWh × 3,414,425.9496372174. For example, to convert 10 Megawatt-Hour to BTU (th), you would multiply 10 by 3,414,425.9496372174.

What is a Megawatt-Hour?