Convert Pounds per second to Grains per minute
Convert Pounds per second (lb/s) to Grains per minute (gr/min) instantly and accurately.
Conversion Formula
gr/min = lb/s × 420000
About Pounds per second
The pound per second (lb/s) equals 0.45359237 kg/s, widely used in aerospace and large industrial equipment. A Saturn V first-stage engine consumed ≈13 short tons of propellant per second, equal to ≈26 000 lb/s; a typical large centrifugal pump handling water moves ≈500-2000 lb/s at operating flow. 1 lb/s = 0.45359237 kg/s ≈ 3 600 lb/h.
About Grains per minute
The grain per minute (gr/min) equals 6.479891×10⁻⁵/60 ≈ 1.080×10⁻⁶ kg/s. This unit appears in HVAC humidity engineering: moisture added or removed from conditioned air is traditionally expressed in grains of water per pound of dry air per minute in US practice. A whole-house humidifier may evaporate 300-600 gr/min at design load. 1 gr/min ≈ 1.080×10⁻⁶ kg/s.
Quick Reference Table
| Pounds per second (lb/s) | Grains per minute (gr/min) |
|---|---|
| 1 lb/s | 420000 gr/min |
| 2 lb/s | 840000 gr/min |
| 5 lb/s | 2100000 gr/min |
| 10 lb/s | 4200000 gr/min |
| 25 lb/s | 10500000 gr/min |
| 50 lb/s | 21000000 gr/min |
| 100 lb/s | 42000000 gr/min |