Pound per Second (lb/s)
Pound per second equals 0.45359237 kg/s using the international avoirdupois pound.
Pounds per second appear in US industrial mass-flow instrumentation and propellant feed specifications.
Convert pound per second to kilogram per second instantly. Type in either field — results update live.
Selected lb/s values converted to kg/s using the exact factor from this tool.
| lb/s | kg/s |
|---|---|
| 0.01 | 0.0045359237 |
| 0.1 | 0.045359237 |
| 1 | 0.45359237 |
| 2 | 0.90718474 |
| 3 | 1.36077711 |
| 5 | 2.26796185 |
| 10 | 4.5359237 |
| 20 | 9.0718474 |
| 50 | 22.6796185 |
| 100 | 45.359237 |
| 1,000 | 453.59237 |
Exact conversion factors in both directions, plus a worked example.
1 lb/s = 0.45359237 kg/s
1 kg/s = 2.2046226218 lb/s
To convert pound per second to kilogram per second, multiply by 0.45359237.
To convert kilogram per second to pound per second, multiply by 2.2046226218.
Example: convert 10 lb/s to kg/s
10 × 0.45359237 = 4.5359237 kg/s
Short background on the units used in this conversion.
Pound per second equals 0.45359237 kg/s using the international avoirdupois pound.
Pounds per second appear in US industrial mass-flow instrumentation and propellant feed specifications.
The kilogram per second (kg/s) is the SI unit of mass flow rate — mass passing a cross-section per unit time.
Kilograms per second rate chemical reactors, fuel injection, and bulk solids handling in process plants.
kg/s = lb/s × 0.45359237lb/s = kg/s × 2.2046226218, using the same exact factors as this converter.Jump to any flow-mass conversion starting from pound per second — including the reverse direction and every other unit in our dataset.