Convert Milligrams per day to Metric tons per day
Convert Milligrams per day (mg/d) to Metric tons per day (t/d) instantly and accurately.
Conversion Formula
t/d = mg/d × 1.000000000e-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 Metric tons per day
The metric tonne per day (t/d) equals 1 000/86400 ≈ 0.011574 kg/s, standard in hydrometallurgy, wastewater treatment, and environmental mass-balance reporting. A large copper smelter processes 2 000-3 000 t/d of ore; a modern desalination plant produces 100 000-500 000 t/d of potable water; IPCS industrial emission guidelines use t/d for stack mass rates. 1 t/d ≈ 0.011574 kg/s ≈ 1.102 short ton/d.
Quick Reference Table
| Milligrams per day (mg/d) | Metric tons per day (t/d) |
|---|---|
| 1 mg/d | 1 × 10-9 t/d |
| 2 mg/d | 2 × 10-9 t/d |
| 5 mg/d | 5 × 10-9 t/d |
| 10 mg/d | 1 × 10-8 t/d |
| 25 mg/d | 2.5 × 10-8 t/d |
| 50 mg/d | 5 × 10-8 t/d |
| 100 mg/d | 1 × 10-7 t/d |