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

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

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

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

Conversion Formula

1 gr/gal (US) = 171.565 lb/million gal (UK)
1 lb/million gal (UK) = 0.006 gr/gal (US)

Example

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

15 gr/gal (US) = 15 × 171.565 lb/million gal (UK) = 2573.47 lb/million gal (UK)

Unit Information

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

Grain per Gallon (US)

gr/gal (US)

Definition

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

History/Origin

This unit combines the traditional grain (a unit of mass) with the US gallon (a unit of volume). It emerged from US industrial practices and is still used in water treatment and chemical processing industries in the United States.

Current Use

Primarily used in the United States for water treatment, chemical processing, and industrial applications. It is commonly found in water quality reports and chemical specifications in US-based industries.

Multiplier

0

Offset

0

Pound per Million Gallon (UK)

lb/million gal (UK)

Definition

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

History/Origin

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

Current Use

Used in the United Kingdom and Commonwealth countries for water treatment, environmental monitoring, and industrial applications involving very dilute solutions. It appears in British water quality reports and environmental assessments.

Multiplier

1E-7

Offset

0

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

Grain per Gallon (US) [gr/gal (US)] Pound per Million Gallon (UK) [lb/million gal (UK)]
1 gr/gal (US) 171.564664 lb/million gal (UK)
10 gr/gal (US) 1715.646639 lb/million gal (UK)
25 gr/gal (US) 4289.116597 lb/million gal (UK)
50 gr/gal (US) 8578.233193 lb/million gal (UK)
100 gr/gal (US) 17156.466387 lb/million gal (UK)
0 gr/gal (US) 0E+0 lb/million gal (UK)
-10 gr/gal (US) -1715.646639 lb/million gal (UK)
-40 gr/gal (US) -6862.586555 lb/million gal (UK)