Mass concentration.
Micrograms per Fluid ounce to Parts per million water Converter — ug/fl oz to ppm
Convert Microgram per Fluid ounce (ug/fl oz) to Parts per million water (ppm) using the exact conversion factor (1 microgram per fluid ounce = 0.0338140227 parts per million water). See the formula, worked examples, and conversion table.
Micrograms per Fluid ounce 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 3.38140227e-5 / 0.001.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Micrograms per Fluid ounce to Parts per million water
Microgram per Fluid ounce 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 = micrograms per fluid ounce × 0.0338140227018
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per fluid ounce equals 0.0000338140227018 base units, and 1 parts per million water equals 0.001 base units, so dividing one by the other gives the direct microgram per fluid ounce-to-parts per million water factor of 0.0338140227018.
Simple example
1 ug/fl oz × 0.0338140227 = 0.0338140227 ppm
1 microgram per fluid ounce = 0.0338140227 parts per million water.
Real-world example
100 ug/fl oz × 0.0338140227 = 3.38140227 ppm
100 micrograms per fluid ounce = 3.38140227 parts per million water.
Conversion table
| Microgram per Fluid ounce (ug/fl oz) | Parts per million water (ppm) |
|---|---|
| 0.001 ug/fl oz | 0.000033814 ppm |
| 0.01 ug/fl oz | 0.0003381402 ppm |
| 0.1 ug/fl oz | 0.0033814023 ppm |
| 1 ug/fl oz | 0.0338140227 ppm |
| 10 ug/fl oz | 0.338140227 ppm |
| 100 ug/fl oz | 3.38140227 ppm |
Reverse conversion: Parts per million water to Microgram per Fluid ounce
0.0338140227 ppm × 29.57352956 = 0.9999999999 ug/fl oz
0.0338140227 parts per million water = 0.9999999999 micrograms per fluid ounce.
micrograms per fluid ounce = parts per million water × 29.5735295625
For a page dedicated to this direction, see Parts per million water to Microgram per Fluid ounce.
Understanding the Microgram per Fluid ounce (ug/fl oz)
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 microgram per fluid ounce?
1 microgram per fluid ounce equals 0.0338140227 parts per million water, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per fluid ounce to parts per million water?
Multiply the microgram per fluid ounce value by 0.0338140227. The converter above does this instantly to whatever precision you set.
How do I convert parts per million water back to microgram per fluid ounce?
Use the reverse factor: 1 parts per million water equals 29.57352956 micrograms per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per fluid ounce?
Microgram per Fluid ounce (ug/fl oz) is a unit of chemistry.
What is a parts per million water?
Parts per million water (ppm) is a unit of chemistry.
Is the microgram per fluid ounce to parts per million water conversion exact?
Yes. Both microgram per fluid ounce and parts per million water are defined by fixed standards rather than physical artifacts, so the factor of 0.0338140227 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.