Convert Milligrams per day to Pounds per minute
Convert Milligrams per day (mg/d) to Pounds per minute (lb/min) instantly and accurately.
Conversion Formula
lb/min = mg/d × 1.530987932e-9
About Milligrams per day
The milligram per day (mg/d) equals 10⁻⁶/86400 ≈ 1.157×10⁻¹¹ kg/s, used in toxicology (daily intake limits) and in slow-release pharmaceutical implants. WHO acceptable daily intake for food additives is expressed in mg/kg body mass per day; a 70 kg adult at 1 mg/kg/d represents a 70 mg/d dose. 1 mg/d ≈ 1.157×10⁻¹¹ kg/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 day (mg/d) | Pounds per minute (lb/min) |
|---|---|
| 1 mg/d | 1.531 × 10-9 lb/min |
| 2 mg/d | 3.062 × 10-9 lb/min |
| 5 mg/d | 7.655 × 10-9 lb/min |
| 10 mg/d | 1.531 × 10-8 lb/min |
| 25 mg/d | 3.827 × 10-8 lb/min |
| 50 mg/d | 7.655 × 10-8 lb/min |
| 100 mg/d | 1.531 × 10-7 lb/min |