Mass concentration.
Ounces per Liter to Parts per million water Converter — oz/L to ppm
Convert Ounce per Liter (oz/L) to Parts per million water (ppm) using the exact conversion factor (1 ounce per liter = 28,349.52312 parts per million water). See the formula, worked examples, and conversion table.
Ounces per Liter to Parts per million water 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.
Approximate mg/L in water.
Result = input x 28.34952313 / 0.001.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Liter to Parts per million water
Ounce per Liter and Parts per million water 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: Mass concentration, and approximate mg/L in water.
Formula
parts per million water = ounces per liter × 28349.523125
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per liter equals 28.349523125 base units, and 1 parts per million water equals 0.001 base units, so dividing one by the other gives the direct ounce per liter-to-parts per million water factor of 28349.523125.
Simple example
1 oz/L × 28349.52312 = 28,349.52312 ppm
1 ounce per liter = 28,349.52312 parts per million water.
Real-world example
100 oz/L × 28349.52312 = 2,834,952.313 ppm
100 ounces per liter = 2,834,952.313 parts per million water.
Conversion table
| Ounce per Liter (oz/L) | Parts per million water (ppm) |
|---|---|
| 0.001 oz/L | 28.34952313 ppm |
| 0.01 oz/L | 283.4952313 ppm |
| 0.1 oz/L | 2,834.952313 ppm |
| 1 oz/L | 28,349.52312 ppm |
| 10 oz/L | 283,495.2313 ppm |
| 100 oz/L | 2,834,952.313 ppm |
Reverse conversion: Parts per million water to Ounce per Liter
1 ppm × 0.00003527396195 = 0.000035274 oz/L
1 parts per million water = 0.000035274 ounces per liter.
ounces per liter = parts per million water × 0.0000352739619496
For a page dedicated to this direction, see Parts per million water to Ounce per Liter.
Understanding the Ounce per Liter (oz/L)
Mass concentration.
Understanding the Parts per million water (ppm)
Approximate mg/L in water.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many parts per million water are in 1 ounce per liter?
1 ounce per liter equals 28,349.52312 parts per million water, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per liter to parts per million water?
Multiply the ounce per liter value by 28349.52312. The converter above does this instantly to whatever precision you set.
How do I convert parts per million water back to ounce per liter?
Use the reverse factor: 1 parts per million water equals 0.000035274 ounces per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per liter?
Ounce per Liter (oz/L) is a unit of chemistry.
What is a parts per million water?
Parts per million water (ppm) is a unit of chemistry.
Is the ounce per liter to parts per million water conversion exact?
Yes. Both ounce per liter and parts per million water are defined by fixed standards rather than physical artifacts, so the factor of 28349.52312 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.