Grain per Gallon (UK) to Pound per Million Gallon (US) Conversion

Convert between Grain per Gallon (UK) and Pound per Million Gallon (US) quickly and accurately.

gr/gal (UK)
lb/million gal (US)

How to Convert Grain per Gallon (UK) to Pound per Million Gallon (US)

Conversion Formula

1 gr/gal (UK) = 118.954 lb/million gal (US)
1 lb/million gal (US) = 0.008 gr/gal (UK)

Example

Convert 15 gr/gal (UK) to lb/million gal (US):

15 gr/gal (UK) = 15 × 118.954 lb/million gal (US) = 1784.306 lb/million gal (US)

Unit Information

Learn about the concentration - solution units you're converting between

Grain per Gallon (UK)

gr/gal (UK)

Definition

The grain per gallon (UK) is a unit of mass concentration used in the United Kingdom, representing grains of solute per UK gallon of solution. It is used in British industrial and water treatment applications.

History/Origin

This unit combines the traditional grain with the UK gallon (which is larger than the US gallon). It emerged from British industrial practices and is used in UK-based water treatment and chemical industries.

Current Use

Used in the United Kingdom and Commonwealth countries for water treatment, chemical processing, and industrial applications. It appears in British water quality standards and chemical specifications.

Multiplier

0

Offset

0

Pound per Million Gallon (US)

lb/million gal (US)

Definition

The pound per million gallon (US) is a unit of mass concentration used for very dilute solutions in the United States, representing pounds of solute per million US gallons of solution. It is used for trace concentrations.

History/Origin

This unit was developed for expressing very low concentrations in large volumes, particularly in water treatment and environmental applications. It provides a practical way to express trace concentrations in US industrial systems.

Current Use

Used in the United States for water treatment, environmental monitoring, and industrial applications where very dilute solutions are involved. It is commonly found in water quality reports and environmental assessments.

Multiplier

1E-7

Offset

0

Grain per Gallon (UK) to Pound per Million Gallon (US) Conversion Table

Grain per Gallon (UK) [gr/gal (UK)] Pound per Million Gallon (US) [lb/million gal (US)]
1 gr/gal (UK) 118.953725 lb/million gal (US)
10 gr/gal (UK) 1189.537249 lb/million gal (US)
25 gr/gal (UK) 2973.843122 lb/million gal (US)
50 gr/gal (UK) 5947.686243 lb/million gal (US)
100 gr/gal (UK) 11895.372487 lb/million gal (US)
0 gr/gal (UK) 0E+0 lb/million gal (US)
-10 gr/gal (UK) -1189.537249 lb/million gal (US)
-40 gr/gal (UK) -4758.148995 lb/million gal (US)