Convert Long tons per second to Pounds per day
Convert Long tons per second (long ton/s) to Pounds per day (lb/d) instantly and accurately.
Conversion Formula
lb/d = long ton/s × 193536000
About Long tons per second
The long ton per second (long ton/s) equals 1 016.0469088 kg/s, based on the UK long ton of 2 240 lb used historically in British heavy industry and naval engineering. It quantifies extremely high discharge rates such as large dam break surges or catastrophic industrial spillages. 1 long ton/s = 1 016.0469088 kg/s ≈ 1.016 t/s ≈ 1.120 short ton/s.
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
| Long tons per second (long ton/s) | Pounds per day (lb/d) |
|---|---|
| 1 long ton/s | 193536000 lb/d |
| 2 long ton/s | 387072000 lb/d |
| 5 long ton/s | 967680000 lb/d |
| 10 long ton/s | 1.935 × 109 lb/d |
| 25 long ton/s | 4.838 × 109 lb/d |
| 50 long ton/s | 9.677 × 109 lb/d |
| 100 long ton/s | 1.935 × 1010 lb/d |