Torque from one pound-force at one inch.
Pound-inches to Petanewton meters Converter — lb in to PN m
Convert Pound-inch (lb in) to Petanewton meter (PN m) using the exact conversion factor (1 pound-inch = 1.129848e-16 petanewton meter). See the formula, worked examples, and conversion table.
Pound-inches to Petanewton meters converter
Converter
Torque Converter
Convert newton meters, pound-feet, pound-inches, ounce-inches, and kilogram-force meters.
Context values
Some unit families need one extra value for a physically accurate result.
Petanewton meter is 1000000000000000 newton meter units.
Result = input x 0.112984829 / 1e+15.
Torque uses the newton meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pound-inches to Petanewton meters
Pound-inch and Petanewton meter both measure torque, and the conversion is essential for anyone using a torque wrench specified in one unit against a bolt or engine spec given in the other. Specifically: Torque from one pound-force at one inch, and petanewton meter is 1000000000000000 newton meter units.
Formula
petanewton meters = pound-inches × 1.129848e-16
This factor comes from each unit's defined relationship to the category's base unit: 1 pound-inch equals 0.112984829028 base units, and 1 petanewton meter equals 1e+15 base units, so dividing one by the other gives the direct pound-inch-to-petanewton meter factor of 1.129848e-16.
Simple example
1 lb in × 1.129848e-16 = 1.129848e-16 PN m
1 pound-inch = 1.129848e-16 petanewton meters.
Real-world example
10 lb in × 1.129848e-16 = 1.129848e-15 PN m
10 pound-inches = 1.129848e-15 petanewton meters.
Conversion table
| Pound-inch (lb in) | Petanewton meter (PN m) |
|---|---|
| 1 lb in | 1.129848e-16 PN m |
| 5 lb in | 5.649241e-16 PN m |
| 10 lb in | 1.129848e-15 PN m |
| 50 lb in | 5.649241e-15 PN m |
| 100 lb in | 1.129848e-14 PN m |
| 500 lb in | 5.649241e-14 PN m |
Reverse conversion: Petanewton meter to Pound-inch
1.129848e-16 PN m × 8.850746e+15 = 0.9999997431 lb in
1.129848e-16 petanewton meters = 0.9999997431 pound-inches.
pound-inches = petanewton meters × 8.850746e+15
For a page dedicated to this direction, see Petanewton meter to Pound-inch.
Understanding the Pound-inch (lb in)
Torque from one pound-force at one inch.
Understanding the Petanewton meter (PN m)
Petanewton meter is 1000000000000000 newton meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many petanewton meters are in 1 pound-inch?
1 pound-inch equals 1.129848e-16 petanewton meters, using the exact defined conversion factor rather than an estimate.
How do I convert pound-inch to petanewton meter?
Multiply the pound-inch value by 1.129848e-16. The converter above does this instantly to whatever precision you set.
How do I convert petanewton meter back to pound-inch?
Use the reverse factor: 1 petanewton meter equals 8.850746e+15 pound-inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound-inch?
Pound-inch (lb in) is a unit of torque.
What is a petanewton meter?
Petanewton meter (PN m) is a unit of torque.
Is the pound-inch to petanewton meter conversion exact?
Yes. Both pound-inch and petanewton meter are defined by fixed standards rather than physical artifacts, so the factor of 1.129848e-16 used above is exact to as many digits as you choose to display.