Gigajoule to Foot-Pound Converter
Convert Gigajoule (GJ) to Foot-Pound (ft·lbf) instantly. 1 GJ = 737,562,149.294347 ft·lbf.
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27 units available
1 GJ = 737,562,149.294347 ft·lbf
Formula:
ft·lbf = GJ × 737,562,149.2943472With your value: 1 GJ = 737,562,149.2943472 ft·lbf
How big is that?
Everyday references on a logarithmic scale, all expressed in gigajoule so you can sanity-check the result.
Other Gigajoule to Foot-Pound conversions
Gigajoule to Foot-Pound Conversion Table
| Gigajoule (GJ) | Foot-Pound (ft·lbf) |
|---|---|
| 0.5 | 368,781,074.647174 |
| 1 | 737,562,149.294347 |
| 2 | 1,475,124,298.588694 |
| 5 | 3,687,810,746.471736 |
| 10 | 7,375,621,492.943472 |
| 15 | 11,063,432,239.415207 |
| 20 | 14,751,242,985.886944 |
| 25 | 18,439,053,732.35868 |
| 50 | 36,878,107,464.71736 |
| 100 | 73,756,214,929.43472 |
| 250 | 184,390,537,323.5868 |
| 500 | 368,781,074,647.1736 |
| 1000 | 737,562,149,294.3472 |
Foot-Pound to Gigajoule Conversion Table
| Foot-Pound (ft·lbf) | Gigajoule (GJ) |
|---|---|
| 0.5 | 6.779090e-10 |
| 1 | 1.355818e-9 |
| 2 | 2.711636e-9 |
| 5 | 6.779090e-9 |
| 10 | 1.355818e-8 |
| 15 | 2.033727e-8 |
| 20 | 2.711636e-8 |
| 25 | 3.389545e-8 |
| 50 | 6.779090e-8 |
| 100 | 1.355818e-7 |
| 250 | 3.389545e-7 |
| 500 | 6.779090e-7 |
| 1000 | 1.355818e-6 |
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.
Gigajoule (GJ)
Energy
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
Foot-Pound (ft·lbf)
Energy
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 Gigajoule to Foot-Pound
To convert from Gigajoule (GJ) to Foot-Pound (ft·lbf), multiply the value by 737,562,149.2943472.
Formula: ft·lbf = GJ × 737,562,149.2943472
Reverse: GJ = ft·lbf × 1.355818e-9
Step-by-Step Example
- Start with your value in Gigajoule. For example: 5 GJ
- Multiply by the conversion factor: 5 x 737,562,149.2943472
- The result is: 3,687,810,746.471736 ft·lbf
About Gigajoule
The gigajoule (GJ) is a unit of energy and work. One gigajoule equals 1.000000 × 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 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.
Frequently Asked Questions
How many Foot-Pound are in 1 Gigajoule?
There are exactly 737,562,149.2943472 Foot-Pound in 1 Gigajoule. This means the conversion factor from Gigajoule to Foot-Pound is 737,562,149.2943472.
What is the formula to convert Gigajoule to Foot-Pound?
The formula to convert Gigajoule to Foot-Pound is: ft·lbf = GJ × 737,562,149.2943472. For example, to convert 10 Gigajoule to Foot-Pound, you would multiply 10 by 737,562,149.2943472.
What is a Gigajoule?
The gigajoule (GJ) is a unit of energy and work. One gigajoule equals 1.000000 × 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.
What is a 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.
What are the common uses of Gigajoule?
The Gigajoule is commonly used in energy calculations, engineering and science, education.
Related Energy Conversions
Cite this page
UnitConvertLab. (2026). Gigajoule to Foot-Pound converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/gigajoule-to-foot_pound