Momentum & impulse
Linear momentum and equivalent mechanical impulse.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert pound foot per second (lb·ft/s) to pound-force second (lbf·s). Enter a value for an instant result, or use the examples and reverse conversion below.
Linear momentum and equivalent mechanical impulse.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a pound foot per second value to calculate pound-force second with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| kilogram metre per secondfrom lb·ft/s | kg·m/s | 0.138255 |
| newton secondfrom lb·ft/s | N·s | 0.138255 |
| gram centimetre per secondfrom lb·ft/s | g·cm/s | 13825.5 |
| pound foot per secondfrom lb·ft/s | lb·ft/s | 1 |
| pound-force secondfrom lb·ft/s | lbf·s | 0.031081 |
| slug foot per secondfrom lb·ft/s | slug·ft/s | 0.031081 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Pound Foot Per Second (lb·ft/s) and pound-force second (lbf·s) are units of momentum & impulse. Use this page to convert in either direction.
| Pound Foot Per Second (lb·ft/s) | Pound-force Second (lbf·s) |
|---|---|
| 1 lb·ft/s | 0.031081 lbf·s |
| 5 lb·ft/s | 0.155405 lbf·s |
| 10 lb·ft/s | 0.31081 lbf·s |
| 100 lb·ft/s | 3.1081 lbf·s |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
lbf·s to lb·ft/s (pound-force second to pound foot per second)