BTU (IT) to Megajoule Converter

Energy Converter

27 units available

Decimals:

From

To

0.001055

1 BTU (IT) = 0.001055 MJ

Formula:

MJ = BTU (IT) × 0.0010550559

With your value: 1 BTU (IT) = 0.00105506 MJ

How big is that?

Everyday references on a logarithmic scale, all expressed in btu (it) so you can sanity-check the result.

Heartbeat (1/1.1e+3 your value)0.000948 BTU (IT)

Your value1.00 BTU (IT)

AA battery charge (9.5× your value)9.48 BTU (IT)

Slice of bread (2.7e+2× your value)265 BTU (IT)

Daily food intake (8.0e+3× your value)7.96e+3 BTU (IT)

Litre of petrol (3.2e+4× your value)3.24e+4 BTU (IT)

Other BTU (IT) to Megajoule conversions

2 BTU (IT) to MJ 3 BTU (IT) to MJ 4 BTU (IT) to MJ 5 BTU (IT) to MJ 6 BTU (IT) to MJ 7 BTU (IT) to MJ 8 BTU (IT) to MJ

BTU (IT) to Megajoule Conversion Table

BTU (IT) (BTU (IT))	Megajoule (MJ)
0.5	0.000528
1	0.001055
2	0.00211
5	0.005275
10	0.010551
15	0.015826
20	0.021101
25	0.026376
50	0.052753
100	0.105506
250	0.263764
500	0.527528
1000	1.055056

Megajoule to BTU (IT) Conversion Table

Megajoule (MJ)	BTU (IT) (BTU (IT))
0.5	473.90856
1	947.81712
2	1,895.634241
5	4,739.085602
10	9,478.171203
15	14,217.256805
20	18,956.342406
25	23,695.428008
50	47,390.856016
100	94,781.712031
250	236,954.280078
500	473,908.560157
1000	947,817.120313

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.

BTU (IT) (BTU (IT))

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

Megajoule (MJ)

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

How to Convert BTU (IT) to Megajoule

To convert from BTU (IT) (BTU (IT)) to Megajoule (MJ), multiply the value by 0.0010550559.

Formula: MJ = BTU (IT) × 0.0010550559

Reverse: BTU (IT) = MJ × 947.8171203133

Step-by-Step Example

Start with your value in BTU (IT). For example: 5 BTU (IT)
Multiply by the conversion factor: 5 x 0.0010550559
The result is: 0.005275 MJ

About BTU (IT)

The btu (it) (BTU (IT)) is a unit of energy and work. One btu (it) equals 1055.055853 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 Megajoule

The megajoule (MJ) is a unit of energy and work. One megajoule equals 1.000000 × 10^+6 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 Megajoule are in 1 BTU (IT)?

There are exactly 0.0010550559 Megajoule in 1 BTU (IT). This means the conversion factor from BTU (IT) to Megajoule is 0.0010550559.

What is the formula to convert BTU (IT) to Megajoule?

The formula to convert BTU (IT) to Megajoule is: MJ = BTU (IT) × 0.0010550559. For example, to convert 10 BTU (IT) to Megajoule, you would multiply 10 by 0.0010550559.

What is a BTU (IT)?