Approximate ug/L in water.
Parts per billion water to Ounces per Gallon Converter — ppb to oz/gal
Convert Parts per billion water (ppb) to Ounce per Gallon (oz/gal) using the exact conversion factor (1 parts per billion water = 1.335265e-7 ounce per gallon). See the formula, worked examples, conversion table, and common uses.
Parts per billion water 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 1e-6 / 7.489151707.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Parts per billion water to Ounces per Gallon
Parts per billion water 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. Specifically: Approximate ug/L in water, and mass concentration.
Formula
ounces per gallon = parts per billion water × 1.335265e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 parts per billion water equals 0.000001 base units, and 1 ounce per gallon equals 7.48915170731 base units, so dividing one by the other gives the direct parts per billion water-to-ounce per gallon factor of 1.335265e-7.
Simple example
1 ppb × 1.335265e-7 = 1.335265e-7 oz/gal
1 parts per billion water = 1.335265e-7 ounces per gallon.
Real-world example
100 ppb × 1.335265e-7 = 0.0000133526 oz/gal
100 parts per billion water = 0.0000133526 ounces per gallon.
Conversion table
| Parts per billion water (ppb) | Ounce per Gallon (oz/gal) |
|---|---|
| 0.001 ppb | 1.335265e-10 oz/gal |
| 0.01 ppb | 1.335265e-9 oz/gal |
| 0.1 ppb | 1.335265e-8 oz/gal |
| 1 ppb | 1.335265e-7 oz/gal |
| 10 ppb | 0.0000013353 oz/gal |
| 100 ppb | 0.0000133526 oz/gal |
Reverse conversion: Ounce per Gallon to Parts per billion water
1.335265e-7 oz/gal × 7489151.707 = 1.000000215 ppb
1.335265e-7 ounces per gallon = 1.000000215 parts per billion water.
parts per billion water = ounces per gallon × 7489151.70731
For a page dedicated to this direction, see Ounce per Gallon to Parts per billion water.
Understanding the Parts per billion water (ppb)
Approximate ug/L in water.
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 parts per billion water?
1 parts per billion water equals 1.335265e-7 ounces per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert parts per billion water to ounce per gallon?
Multiply the parts per billion water value by 1.335265e-7. The converter above does this instantly to whatever precision you set.
How do I convert ounce per gallon back to parts per billion water?
Use the reverse factor: 1 ounce per gallon equals 7,489,151.707 parts per billion water. You can also use the swap control in the converter above to flip the direction instantly.
What is a parts per billion water?
Parts per billion water (ppb) 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 parts per billion water to ounce per gallon conversion exact?
Yes. Both parts per billion water and ounce per gallon are defined by fixed standards rather than physical artifacts, so the factor of 1.335265e-7 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.