Convert Pounds per UK gallon to Milligrams per litre
Convert Pounds per UK gallon (lb/gal (UK)) to Milligrams per litre (mg/L) instantly and accurately.
Conversion Formula
mg/L = lb/gal (UK) × 99776.37266
About Pounds per UK gallon
The pound per UK gallon (lb/gal UK) equals ≈99.776 kg/m³, based on the avoirdupois pound and the UK gallon (4.54609 L). Used historically in British petroleum refining and Admiralty fuel specifications; the original UK specific-gravity tables reference lb/gal UK. Still encountered in some Commonwealth marine and aviation standards. 1 lb/gal (UK) ≈99.776 kg/m³ ≈6.228 lb/ft³.
About Milligrams per litre
The milligram per litre (mg/L) equals 10⁻³ kg/m³ and is the dominant unit in water chemistry and environmental analysis. Numerically equivalent to ppm (mass) for dilute aqueous solutions; WHO drinking-water guideline for nitrate is 50 mg/L, for fluoride 1.5 mg/L. Biological oxygen demand (BOD), chemical oxygen demand (COD), and total suspended solids (TSS) are all reported in mg/L. 1 mg/L = 10⁻³ kg/m³ = 1 g/m³.
Quick Reference Table
| Pounds per UK gallon (lb/gal (UK)) | Milligrams per litre (mg/L) |
|---|---|
| 1 lb/gal (UK) | 99776.4 mg/L |
| 2 lb/gal (UK) | 199553 mg/L |
| 5 lb/gal (UK) | 498882 mg/L |
| 10 lb/gal (UK) | 997764 mg/L |
| 25 lb/gal (UK) | 2494410 mg/L |
| 50 lb/gal (UK) | 4988820 mg/L |
| 100 lb/gal (UK) | 9977640 mg/L |