MOTION
Momentum & impulse
Linear momentum and equivalent mechanical impulse.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.138255 N·s1 lb·ft/s = 0.138255 N·s
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lb·ft/s to N·s Converter
Convert pound foot per second (lb·ft/s) to newton second (N·s). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through kilogram metre per second
Enter a pound foot per second value to calculate newton second with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| 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.
lb·ft/s to N·s Conversion Reference
Pound Foot Per Second (lb·ft/s) and newton second (N·s) are units of momentum & impulse. Use this page to convert in either direction.
Conversion Examples
| Pound Foot Per Second (lb·ft/s) | Newton Second (N·s) |
|---|---|
| 1 lb·ft/s | 0.138255 N·s |
| 5 lb·ft/s | 0.691275 N·s |
| 10 lb·ft/s | 1.38255 N·s |
| 100 lb·ft/s | 13.8255 N·s |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
N·s to lb·ft/s (newton second to pound foot per second)