Convert Milligrams per litre to Pounds per US gallon

Convert Milligrams per litre (mg/L) to Pounds per US gallon (lb/gal (US)) instantly and accurately.

Milligrams per litre (mg/L)
Pounds per US gallon (lb/gal (US))

Conversion Formula

lb/gal (US) = mg/L × 8.345404452e-6

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.

About Pounds per US gallon

The pound per US gallon (lb/gal US) equals ≈119.826 kg/m³, the standard density unit in US petroleum refining, drilling, and petrochemical industries. Water at 60°F is 8.337 lb/gal; diesel 6.8-7.3 lb/gal; medium crude oil 7.1-8.0 lb/gal. Drilling mud weight per API RP 13B is specified in lb/gal (US) to control wellbore pressure. 1 lb/gal (US) ≈119.826 kg/m³ ≈7.481 lb/ft³.

Quick Reference Table

Milligrams per litre (mg/L)Pounds per US gallon (lb/gal (US))
1 mg/L8.345 × 10-6 lb/gal (US)
2 mg/L1.669 × 10-5 lb/gal (US)
5 mg/L4.173 × 10-5 lb/gal (US)
10 mg/L8.345 × 10-5 lb/gal (US)
25 mg/L0.000208635 lb/gal (US)
50 mg/L0.00041727 lb/gal (US)
100 mg/L0.00083454 lb/gal (US)

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