Convert Milligrams per hour to Pounds per minute
Convert Milligrams per hour (mg/h) to Pounds per minute (lb/min) instantly and accurately.
Conversion Formula
lb/min = mg/h × 3.674371036e-8
About Milligrams per hour
The milligram per hour (mg/h) equals 10⁻⁶/3600 ≈ 2.778×10⁻¹⁰ kg/s, adopted in transdermal drug-patch pharmacokinetics to express dermal absorption rate. A nicotine patch typically releases 14-21 mg over 24 h, corresponding to ≈0.58-0.88 mg/h. Environmental emission tests for laboratory fume hoods also express contaminant escape in mg/h. 1 mg/h = 1/3600 mg/s.
About Pounds per minute
The pound per minute (lb/min) equals 0.45359237/60 ≈ 7.560×10⁻³ kg/s, the standard unit for US fire-suppression system design (sprinkler flow demand) and HVAC hydronic loop balancing. A fire-sprinkler head at 15 psi discharges roughly 30-40 lb/min of water; industrial humidifiers are rated in lb/min of steam. 1 lb/min ≈ 7.560×10⁻³ kg/s = 60 lb/h.
Quick Reference Table
| Milligrams per hour (mg/h) | Pounds per minute (lb/min) |
|---|---|
| 1 mg/h | 3.674 × 10-8 lb/min |
| 2 mg/h | 7.349 × 10-8 lb/min |
| 5 mg/h | 1.837 × 10-7 lb/min |
| 10 mg/h | 3.674 × 10-7 lb/min |
| 25 mg/h | 9.186 × 10-7 lb/min |
| 50 mg/h | 1.837 × 10-6 lb/min |
| 100 mg/h | 3.674 × 10-6 lb/min |