Mass concentration.
Pounds per Fluid ounce to Ounces per Gallon Converter — lb/fl oz to oz/gal
Convert Pound per Fluid ounce (lb/fl oz) to Ounce per Gallon (oz/gal) using the exact conversion factor (1 pound per fluid ounce = 2,048 ounce per gallon). See the formula, worked examples, conversion table, and common uses.
Pounds per Fluid ounce to Ounces per Gallon converter
Converter
Chemistry Converter
Convert concentration, molarity, amount, and laboratory scientific units by compatible family.
Context values
Some unit families need one extra value for a physically accurate result.
Mass concentration.
Result = input x 15337.7827 / 7.489151707.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Fluid ounce to Ounces per Gallon
Pound per Fluid ounce and Ounce per Gallon both measure mass concentration — how much of a substance is dissolved or dispersed in a given volume — a core calculation for preparing lab solutions, checking water quality against a regulatory limit, or formulating a pharmaceutical dose. Both are mass concentration units.
Formula
ounces per gallon = pounds per fluid ounce × 2048
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per fluid ounce equals 15337.7826966 base units, and 1 ounce per gallon equals 7.48915170731 base units, so dividing one by the other gives the direct pound per fluid ounce-to-ounce per gallon factor of 2048.
Simple example
1 lb/fl oz × 2048 = 2,048 oz/gal
1 pound per fluid ounce = 2,048 ounces per gallon.
Real-world example
100 lb/fl oz × 2048 = 204,800 oz/gal
100 pounds per fluid ounce = 204,800 ounces per gallon.
Conversion table
| Pound per Fluid ounce (lb/fl oz) | Ounce per Gallon (oz/gal) |
|---|---|
| 0.001 lb/fl oz | 2.048 oz/gal |
| 0.01 lb/fl oz | 20.48 oz/gal |
| 0.1 lb/fl oz | 204.8 oz/gal |
| 1 lb/fl oz | 2,048 oz/gal |
| 10 lb/fl oz | 20,480 oz/gal |
| 100 lb/fl oz | 204,800 oz/gal |
Reverse conversion: Ounce per Gallon to Pound per Fluid ounce
1 oz/gal × 0.00048828125 = 0.0004882813 lb/fl oz
1 ounce per gallon = 0.0004882813 pounds per fluid ounce.
pounds per fluid ounce = ounces per gallon × 0.00048828125
For a page dedicated to this direction, see Ounce per Gallon to Pound per Fluid ounce.
Understanding the Pound per Fluid ounce (lb/fl oz)
Mass concentration.
Understanding the Ounce per Gallon
Ounce per Gallon (oz/gal) measures concentration (dilution rate). A US customary way to express how much concentrate is mixed into each gallon of a diluted solution. It is classified as a US customary concentration unit.
Where it's used: United States
Uses of the Ounce per Gallon today
- Used to express dilution rates on many US pesticide, herbicide, and household cleaning product labels, which commonly specify a number of fluid ounces of concentrate per gallon of water
Ounce per Gallon — sources
- US product-label dilution conventions (pesticide/herbicide industry guides) — Fluid ounces of concentrate per gallon is a widely used label format for US spray and cleaning product dilution instructions.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per gallon are in 1 pound per fluid ounce?
1 pound per fluid ounce equals 2,048 ounces per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per fluid ounce to ounce per gallon?
Multiply the pound per fluid ounce value by 2048. The converter above does this instantly to whatever precision you set.
How do I convert ounce per gallon back to pound per fluid ounce?
Use the reverse factor: 1 ounce per gallon equals 0.0004882813 pounds per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per fluid ounce?
Pound per Fluid ounce (lb/fl oz) is a unit of chemistry.
What is a ounce per gallon?
Ounce per Gallon (oz/gal) measures concentration (dilution rate). A US customary way to express how much concentrate is mixed into each gallon of a diluted solution. It is classified as a US customary concentration unit.
Is the pound per fluid ounce to ounce per gallon conversion exact?
Yes. Both pound per fluid ounce and ounce per gallon are defined by fixed standards rather than physical artifacts, so the factor of 2048 used above is exact to as many digits as you choose to display.
What's the difference between mass concentration and molarity?
Mass concentration expresses how much mass of a substance is present per unit volume (for example, grams per liter). Molarity expresses the amount in moles per liter instead, which accounts for the substance's molecular weight. This category converts mass-concentration units.