Convert Milligrams per cubic metre to Pounds per UK gallon

Convert Milligrams per cubic metre (mg/m³) to Pounds per UK gallon (lb/gal (UK)) instantly and accurately.

Milligrams per cubic metre (mg/m³)
Pounds per UK gallon (lb/gal (UK))

Conversion Formula

lb/gal (UK) = mg/m³ × 1.002241285e-8

About Milligrams per cubic metre

The milligram per cubic metre (mg/m³) equals 10⁻⁶ kg/m³, the reference unit for industrial occupational exposure limits (OELs). NIOSH REL for respirable crystalline silica is 0.05 mg/m³; OSHA PEL for Portland cement 15 mg/m³; ACGIH TLV for calcium carbonate dust 10 mg/m³. Numerically equal to µg/L, bridging airborne and aqueous analysis. 1 mg/m³ = 10⁻⁶ kg/m³ = 1 µg/L.

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.

Quick Reference Table

Milligrams per cubic metre (mg/m³)Pounds per UK gallon (lb/gal (UK))
1 mg/m³1.002 × 10-8 lb/gal (UK)
2 mg/m³2.004 × 10-8 lb/gal (UK)
5 mg/m³5.011 × 10-8 lb/gal (UK)
10 mg/m³1.002 × 10-7 lb/gal (UK)
25 mg/m³2.506 × 10-7 lb/gal (UK)
50 mg/m³5.011 × 10-7 lb/gal (UK)
100 mg/m³1.002 × 10-6 lb/gal (UK)

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