What Is This Tool?
This unit converter translates concentration measurements from pound per million UK gallons to grain per UK gallon, facilitating accurate dosing and concentration reporting in water and industrial treatment processes using imperial volumetrics.
How to Use This Tool?
-
Enter the value in pound per million UK gallons that you want to convert.
-
Select pound/million gallon (UK) as the input unit and grain/gallon (UK) as the output unit.
-
Click the convert button to see the equivalent concentration in grain/gallon (UK).
Key Features
-
Converts concentration units between pound/million gallon (UK) and grain/gallon (UK).
-
Supports chemical dosing applications in municipal water, wastewater, and industrial treatment.
-
Browser-based tool with straightforward unit selection and input process.
Examples
-
Convert 10 pound/million gallon (UK): 10 × 0.007 = 0.07 grain/gallon (UK).
-
Convert 100 pound/million gallon (UK): 100 × 0.007 = 0.7 grain/gallon (UK).
Common Use Cases
-
Specifying chemical doses in municipal water and wastewater treatment plants in the UK.
-
Aligning water treatment concentrations with boiler and cooling tower hardness specifications.
-
Converting historical water hardness measurements into modern, compatible units for regulatory documentation.
Tips & Best Practices
-
Ensure correct unit selection corresponding to the measurement context (large volume vs. traditional units).
-
Use this converter to compare or translate between legacy and current water treatment concentration units.
-
Verify conversion results when reporting for regulatory compliance or environmental permits.
Limitations
-
Pound/million gallon (UK) units apply to very large water volumes with dilute concentrations, which can be less intuitive for smaller scale uses.
-
Grain/gallon (UK) is a region-specific or legacy unit with limited international use, often requiring further conversions for SI unit compliance.
-
Conversion precision may be affected by rounding variances in milligram per gallon or liter equivalents.
Frequently Asked Questions
-
What does pound/million gallon (UK) measure?
-
It measures concentration as mass in pounds per one million UK gallons of solution, commonly used for chemical dosing in water treatment.
-
When should I convert pound/million gallon (UK) to grain/gallon (UK)?
-
When aligning dosing concentrations with traditional UK water hardness units or converting historical water treatment records.
-
Is grain/gallon (UK) commonly used outside the UK?
-
No, it is a legacy or regional unit mainly applied in the UK, with limited use internationally or in SI unit contexts.
Key Terminology
-
Pound/million gallon (UK)
-
A concentration unit representing pounds of solute per one million UK gallons of solution, used primarily for chemical dosing in water and process streams.
-
Grain/gallon (UK) [gr/gal (UK)]
-
A concentration unit defined as one grain of mass per UK gallon of volume, traditionally used for hardness and dissolved solids measurements in UK water treatment.