Convert Pounds per second to Pounds per day
Convert Pounds per second (lb/s) to Pounds per day (lb/d) instantly and accurately.
Conversion Formula
lb/d = lb/s × 86400
About Pounds per second
The pound per second (lb/s) equals 0.45359237 kg/s, widely used in aerospace and large industrial equipment. A Saturn V first-stage engine consumed ≈13 short tons of propellant per second, equal to ≈26 000 lb/s; a typical large centrifugal pump handling water moves ≈500-2000 lb/s at operating flow. 1 lb/s = 0.45359237 kg/s ≈ 3 600 lb/h.
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.
Quick Reference Table
| Pounds per second (lb/s) | Pounds per day (lb/d) |
|---|---|
| 1 lb/s | 86400 lb/d |
| 2 lb/s | 172800 lb/d |
| 5 lb/s | 432000 lb/d |
| 10 lb/s | 864000 lb/d |
| 25 lb/s | 2160000 lb/d |
| 50 lb/s | 4320000 lb/d |
| 100 lb/s | 8640000 lb/d |