Convert Milligrams per day to Grains per minute
Convert Milligrams per day (mg/d) to Grains per minute (gr/min) instantly and accurately.
Conversion Formula
gr/min = mg/d × 1.071691552e-5
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 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
| Milligrams per day (mg/d) | Grains per minute (gr/min) |
|---|---|
| 1 mg/d | 1.072 × 10-5 gr/min |
| 2 mg/d | 2.143 × 10-5 gr/min |
| 5 mg/d | 5.358 × 10-5 gr/min |
| 10 mg/d | 0.000107169 gr/min |
| 25 mg/d | 0.000267923 gr/min |
| 50 mg/d | 0.000535846 gr/min |
| 100 mg/d | 0.00107169 gr/min |