Foot-pound to Gigajoule Converter
Convert Foot-pound (ft-lb) to Gigajoule (GJ) instantly with this energy converter. Use the calculator above, then check the formula, worked examples, table, and manual steps below.
Formula
GJ = ft-lb × 1.355818e-9
Multiply the Foot-pound value by 1.355818e-9 to get the equivalent value in Gigajoule.
Example Conversions
1 Foot-pound (ft-lb)
1.355818e-9 Gigajoule (GJ)
5 Foot-pound (ft-lb)
6.779090e-9 Gigajoule (GJ)
10 Foot-pound (ft-lb)
1.355818e-8 Gigajoule (GJ)
25 Foot-pound (ft-lb)
3.389545e-8 Gigajoule (GJ)
100 Foot-pound (ft-lb)
1.355818e-7 Gigajoule (GJ)
Conversion Table
| Foot-pound (ft-lb) | Gigajoule (GJ) |
|---|---|
| 0.1 | 1.355818e-10 |
| 0.5 | 6.779090e-10 |
| 1 | 1.355818e-9 |
| 2 | 2.711636e-9 |
| 5 | 6.779090e-9 |
| 10 | 1.355818e-8 |
| 25 | 3.389545e-8 |
| 50 | 6.779090e-8 |
| 100 | 1.355818e-7 |
| 250 | 3.389545e-7 |
| 500 | 6.779090e-7 |
| 1000 | 0.000001355817948 |
How to Convert Manually
Use these steps to convert Foot-pound values to Gigajoule without the calculator.
- Write down the value in Foot-pound (ft-lb) that you want to convert.
- Multiply that value by 1.355818e-9.
- For example, 10 Foot-pound × 1.355818e-9 = 1.355818e-8 Gigajoule.
- Label the result as Gigajoule (GJ).
Relative Size Comparison
This chart shows the visual difference in size between exactly one Foot-pound and one Gigajoule.
About Foot-pound and Gigajoule
Converting Foot-pound to Gigajoule is common in energy applications, engineering, and everyday life. Whether you are translating specifications from international manuals, completing homework, or planning a project, having an accurate ft-lb to GJ calculation ensures your measurements are correct.
The Foot-pound is a unit of energy. One Foot-pound equals 1.355817948 J in this converter's base scale.
The Gigajoule is also a energy unit. One Gigajoule equals 1000000000 J in the same base scale.
Precision and Rounding: When converting Foot-pound to Gigajoule, you may encounter long decimal numbers. For most practical purposes, rounding to two or three decimal places is sufficient. However, for machining, scientific research, or strict engineering tolerances, you should maintain as much precision as possible before your final calculation.
Worked Example
15 Foot-pound equals 2.033727e-8 Gigajoule.
15 ft-lb × 1.355818e-9 = 2.033727e-8 GJ
FAQ
How do I convert Foot-pound to Gigajoule?
Multiply the Foot-pound value by 1.355818e-9 to get the equivalent value in Gigajoule.
What is the formula for Foot-pound to Gigajoule?
The formula is GJ = ft-lb × 1.355818e-9.
How many Gigajoule are in 1 Foot-pound?
1 Foot-pound equals 1.355818e-9 Gigajoule.
Can I convert Gigajoule back to Foot-pound?
Yes. 1 Gigajoule equals 737562149.3 Foot-pound, and the related converter can reverse the calculation.
What are common names for Foot-pound and Gigajoule?
Foot-pound is shown as ft-lb and may also be searched as foot-pound, foot pound, ft·lb. Gigajoule is shown as GJ and may also be searched as gigajoule, gigajoules.
Was this page helpful?
Let us know if this converter met your needs.