Terajoule is 1000000000000 joule units.
Terajoules to Foot-pounds Converter — TJ to ft-lb
Convert Terajoule (TJ) to Foot-pound (ft-lb) using the exact conversion factor (1 terajoule = 737,562,149,300 foot-pound). See the formula, worked examples, and conversion table.
Terajoules to Foot-pounds converter
Converter
Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
Context values
Some unit families need one extra value for a physically accurate result.
Work from one pound-force over one foot.
Result = input x 1e+12 / 1.355817948.
Energy units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Terajoules to Foot-pounds
Terajoule and Foot-pound both measure a quantity used in structural or mechanical engineering — commonly stress, pressure, force, torque, power, or energy — where converting between the unit conventions used in different regions, industries, or equipment specifications is a routine part of design work. Specifically: Terajoule is 1000000000000 joule units, and work from one pound-force over one foot.
Formula
foot-pounds = terajoules × 737562149277
This factor comes from each unit's defined relationship to the category's base unit: 1 terajoule equals 1e+12 base units, and 1 foot-pound equals 1.35581794833 base units, so dividing one by the other gives the direct terajoule-to-foot-pound factor of 737562149277.
Simple example
1 TJ × 737562149300 = 737,562,149,300 ft-lb
1 terajoule = 737,562,149,300 foot-pounds.
Real-world example
100 TJ × 737562149300 = 7.375621e+13 ft-lb
100 terajoules = 7.375621e+13 foot-pounds.
Conversion table
| Terajoule (TJ) | Foot-pound (ft-lb) |
|---|---|
| 1 TJ | 737,562,149,300 ft-lb |
| 10 TJ | 7.375621e+12 ft-lb |
| 50 TJ | 3.687811e+13 ft-lb |
| 100 TJ | 7.375621e+13 ft-lb |
| 500 TJ | 3.687811e+14 ft-lb |
| 1,000 TJ | 7.375621e+14 ft-lb |
Reverse conversion: Foot-pound to Terajoule
1 ft-lb × 1.355818e-12 = 1.355818e-12 TJ
1 foot-pound = 1.355818e-12 terajoules.
terajoules = foot-pounds × 1.355818e-12
For a page dedicated to this direction, see Foot-pound to Terajoule.
Understanding the Terajoule (TJ)
Terajoule is 1000000000000 joule units.
Understanding the Foot-pound (ft-lb)
Work from one pound-force over one foot.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many foot-pounds are in 1 terajoule?
1 terajoule equals 737,562,149,300 foot-pounds, using the exact defined conversion factor rather than an estimate.
How do I convert terajoule to foot-pound?
Multiply the terajoule value by 737562149300. The converter above does this instantly to whatever precision you set.
How do I convert foot-pound back to terajoule?
Use the reverse factor: 1 foot-pound equals 1.355818e-12 terajoules. You can also use the swap control in the converter above to flip the direction instantly.
What is a terajoule?
Terajoule (TJ) is a unit of engineering.
What is a foot-pound?
Foot-pound (ft-lb) is a unit of engineering.
Is the terajoule to foot-pound conversion exact?
Yes. Both terajoule and foot-pound are defined by fixed standards rather than physical artifacts, so the factor of 737562149300 used above is exact to as many digits as you choose to display.
Why do engineering unit conventions vary so much by region and industry?
Pressure, force, and stress can be expressed in metric (pascal, newton), US customary (psi, pound-force), or older and industry-specific units (atmosphere, torr, kip) depending on the country, industry, and even the equipment manufacturer, which is why engineers routinely need to convert between them when working across specs from different sources.