Foot-Pound to Megajoule Converter

Energy Converter

27 units available

Decimals:

From

To

1.355818e-6

1 ft·lbf = 1.355818e-6 MJ

Formula:

MJ = ft·lbf × 0.0000013558

With your value: 1 ft·lbf = 1.355818e-6 MJ

How big is that?

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

Heartbeat (1/1.4 your value)0.738 ft·lbf

Your value1.00 ft·lbf

AA battery charge (7.4e+3× your value)7.38e+3 ft·lbf

Slice of bread (2.1e+5× your value)2.07e+5 ft·lbf

Daily food intake (6.2e+6× your value)6.20e+6 ft·lbf

Litre of petrol (2.5e+7× your value)2.52e+7 ft·lbf

Other Foot-Pound to Megajoule conversions

2 ft·lbf to MJ 3 ft·lbf to MJ 4 ft·lbf to MJ 5 ft·lbf to MJ 6 ft·lbf to MJ 7 ft·lbf to MJ 8 ft·lbf to MJ

Foot-Pound to Megajoule Conversion Table

Foot-Pound (ft·lbf)	Megajoule (MJ)
0.5	6.779090e-7
1	1.355818e-6
2	2.711636e-6
5	6.779090e-6
10	1.355818e-5
15	2.033727e-5
20	2.711636e-5
25	3.389545e-5
50	6.779090e-5
100	0.000136
250	0.000339
500	0.000678
1000	0.001356

Megajoule to Foot-Pound Conversion Table

Megajoule (MJ)	Foot-Pound (ft·lbf)
0.5	368,781.074647
1	737,562.149294
2	1,475,124.298589
5	3,687,810.746472
10	7,375,621.492943
15	11,063,432.239415
20	14,751,242.985887
25	18,439,053.732359
50	36,878,107.464717
100	73,756,214.929435
250	184,390,537.323587
500	368,781,074.647174
1000	737,562,149.294347

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.

Foot-Pound (ft·lbf)

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 Foot-Pound to Megajoule

To convert from Foot-Pound (ft·lbf) to Megajoule (MJ), multiply the value by 1.355818e-6.

Formula: MJ = ft·lbf × 0.0000013558

Reverse: ft·lbf = MJ × 737,562.1492943472

Step-by-Step Example

Start with your value in Foot-Pound. For example: 5 ft·lbf
Multiply by the conversion factor: 5 x 1.355818e-6
The result is: 6.779090e-6 MJ

About Foot-Pound

The foot-pound (ft·lbf) is a unit of energy and work. One foot-pound equals 1.355817948 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 Foot-Pound?

There are exactly 1.355818e-6 Megajoule in 1 Foot-Pound. This means the conversion factor from Foot-Pound to Megajoule is 1.355818e-6.

What is the formula to convert Foot-Pound to Megajoule?

The formula to convert Foot-Pound to Megajoule is: MJ = ft·lbf × 0.0000013558. For example, to convert 10 Foot-Pound to Megajoule, you would multiply 10 by 1.355818e-6.

What is a Foot-Pound?