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Density and Mass

lb/gal (UK)tokg/m³

Convert pounds per imperial gallon (lb/gal (UK)) to kilograms per cubic metre (kg/m³).

Factor1 lb/gal (UK) = 99.77637 kg/m³

Converter

lb/gal (UK)

Accepts numbers or expressions, e.g. 150 + 14.7

Result
99.7764kg/m³

Rendered to 6 significant figures.

Formula

Formula
kg/m³ = lb/gal (UK) × 99.77637

Multiply any value in pounds per imperial gallon by 99.77637 to obtain the value in kilograms per cubic metre.

Worked example

Convert 1 lb/gal (UK) to kg/m³.

  1. 01Start with 1 lb/gal (UK).
  2. 02Multiply by the conversion factor: 1 × 99.77637 = 99.7764 kg/m³.
Result1 lb/gal (UK) = 99.7764 kg/m³

Conversion table

lb/gal (UK)kg/m³
199.776
2199.55
5498.88
10997.76
201995.5
504988.8
1009977.6
20019955
50049888
100099776

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from lb/gal (UK) to kg/m³?
1 lb/gal (UK) equals 99.77637 kg/m³. To convert, multiply the value in pounds per imperial gallon by 99.77637.
How do I convert 1 lb/gal (UK) to kg/m³?
1 lb/gal (UK) = 99.7764 kg/m³. For any value, multiply by 99.77637.
How do I convert kg/m³ back to lb/gal (UK)?
Divide by the same factor — or equivalently, multiply by 0.01002241. So 1 kg/m³ = 0.0100224 lb/gal (UK).
When would I need to convert pound per imperial gallon to kilogram per cubic metre?
Density conversions are critical for fluid property datasheets, hydraulic head calculations, and reconciling lab measurements (often g/cm³) with process simulator inputs (kg/m³).
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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