Convert Pounds per day to Metric tons per minute
Convert Pounds per day (lb/d) to Metric tons per minute (t/min) instantly and accurately.
Conversion Formula
t/min = lb/d × 3.149947014e-7
About Pounds per day
The pound per day (lb/d) equals 0.45359237/86400 ≈ 5.249×10⁻⁶ kg/s, used in wastewater engineering for reporting biochemical oxygen demand (BOD) loads, nutrient loadings, and sludge production. US NPDES permits set effluent mass-load limits in lb/d; a municipal WWTP serving 10 000 people generates roughly 1 500-3 000 lb/d of dry sludge solids. 1 lb/d ≈ 5.249×10⁻⁶ kg/s.
About Metric tons per minute
The metric tonne per minute (t/min) equals 1 000/60 ≈ 16.667 kg/s, used for large-scale mining conveyor capacity, bulk-carrier loading terminals, and industrial furnace melt rates. A Cape-size bulk carrier loads iron ore at 3 000-5 000 t/h = 50-83 t/min; a large electric arc furnace taps ≈100-200 t of steel per heat over roughly 60-90 min. 1 t/min = 1 000/60 kg/s ≈ 1.102 short ton/min.
Quick Reference Table
| Pounds per day (lb/d) | Metric tons per minute (t/min) |
|---|---|
| 1 lb/d | 3.15 × 10-7 t/min |
| 2 lb/d | 6.3 × 10-7 t/min |
| 5 lb/d | 1.575 × 10-6 t/min |
| 10 lb/d | 3.15 × 10-6 t/min |
| 25 lb/d | 7.875 × 10-6 t/min |
| 50 lb/d | 1.575 × 10-5 t/min |
| 100 lb/d | 3.15 × 10-5 t/min |