The pound-inch
The pound-inch equals 1/12 of a pound-foot, or about 0.113 N·m. Used for fine-fastener torque specs (small bolts, screws) where pound-feet would produce inconveniently small numbers.
1 lb-in = 0.0833333 lb-ft
1 pound-inch equals 0.0833333 pound-feet. To convert pound-inches to pound-feet, multiply the pound-inch value by 0.0833333. For quick reference: 1 lb-in = 0.0833333 lb-ft, 5 lb-in = 0.416667 lb-ft, 10 lb-in = 0.833333 lb-ft, 100 lb-in = 8.33333 lb-ft.
Pound-feet = Pound-inches × 0.0833333Start with your value in pound-inches.
Multiply the pound-inch value by 0.0833333. This is the exact conversion factor from pound-inches to pound-feet.
The product is your value in pound-feet. For example, 5 lb-in × 0.0833333 = 0.416667 lb-ft.
The exact factor from pound-inches to pound-feet is 0.0833333.
Pound-feet = Pound-inches × 0.0833333
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
| Pound-inches (lb-in) | Pound-feet (lb-ft) |
|---|---|
| 0.1 lb-in | 0.0083333 lb-ft |
| 0.5 lb-in | 0.041667 lb-ft |
| 1 lb-in | 0.083333 lb-ft |
| 2 lb-in | 0.16667 lb-ft |
| 5 lb-in | 0.41667 lb-ft |
| 8 lb-in | 0.66667 lb-ft |
| 10 lb-in | 0.83333 lb-ft |
| 15 lb-in | 1.25 lb-ft |
| 20 lb-in | 1.6667 lb-ft |
| 25 lb-in | 2.0833 lb-ft |
| 30 lb-in | 2.5 lb-ft |
| 40 lb-in | 3.3333 lb-ft |
| 50 lb-in | 4.1667 lb-ft |
| 60 lb-in | 5 lb-ft |
| 75 lb-in | 6.25 lb-ft |
| 90 lb-in | 7.5 lb-ft |
| 100 lb-in | 8.3333 lb-ft |
| 125 lb-in | 10.417 lb-ft |
| 150 lb-in | 12.5 lb-ft |
| 175 lb-in | 14.583 lb-ft |
| 200 lb-in | 16.667 lb-ft |
| 225 lb-in | 18.75 lb-ft |
| 250 lb-in | 20.833 lb-ft |
| 300 lb-in | 25 lb-ft |
| 350 lb-in | 29.167 lb-ft |
| 400 lb-in | 33.333 lb-ft |
| 450 lb-in | 37.5 lb-ft |
| 500 lb-in | 41.667 lb-ft |
| 600 lb-in | 50 lb-ft |
| 700 lb-in | 58.333 lb-ft |
| 800 lb-in | 66.667 lb-ft |
| 900 lb-in | 75 lb-ft |
| 1000 lb-in | 83.333 lb-ft |
| 1200 lb-in | 100 lb-ft |
| 1500 lb-in | 125 lb-ft |
| 1800 lb-in | 150 lb-ft |
| 2000 lb-in | 166.67 lb-ft |
| 2500 lb-in | 208.33 lb-ft |
| 3000 lb-in | 250 lb-ft |
| 5000 lb-in | 416.67 lb-ft |
| 7500 lb-in | 625 lb-ft |
| 10000 lb-in | 833.33 lb-ft |
| 15000 lb-in | 1250 lb-ft |
| 20000 lb-in | 1666.7 lb-ft |
| 25000 lb-in | 2083.3 lb-ft |
| 50000 lb-in | 4166.7 lb-ft |
| 75000 lb-in | 6250 lb-ft |
| 100000 lb-in | 8333.3 lb-ft |
| 200000 lb-in | 16667 lb-ft |
| 500000 lb-in | 41667 lb-ft |
The pound-inch equals 1/12 of a pound-foot, or about 0.113 N·m. Used for fine-fastener torque specs (small bolts, screws) where pound-feet would produce inconveniently small numbers.
The pound-foot (lb-ft) is the customary torque unit in the United States. It equals exactly 1.355817948 N·m — derived from the pound-force (4.4482216152605 N) times the foot (0.3048 m). Often informally written 'ft-lb' or 'foot-pound', which technically denotes energy not torque, but the convention is universal in automotive spec sheets.