Mass concentration.
Micrograms per Fluid ounce to Micrograms per Microliter Converter — ug/fl oz to ug/uL
Convert Microgram per Fluid ounce (ug/fl oz) to Microgram per Microliter (ug/uL) using the exact conversion factor (1 microgram per fluid ounce = 0.000033814 microgram per microliter). See the formula, worked examples, and conversion table.
Micrograms per Fluid ounce to Micrograms per Microliter 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 3.38140227e-5 / 1.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Micrograms per Fluid ounce to Micrograms per Microliter
Microgram per Fluid ounce and Microgram per Microliter 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
micrograms per microliter = micrograms per fluid ounce × 0.0000338140227018
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 microgram per microliter equals 1 base unit, so dividing one by the other gives the direct microgram per fluid ounce-to-microgram per microliter factor of 0.0000338140227018.
Simple example
1 ug/fl oz × 0.0000338140227 = 0.000033814 ug/uL
1 microgram per fluid ounce = 0.000033814 micrograms per microliter.
Real-world example
100 ug/fl oz × 0.0000338140227 = 0.0033814023 ug/uL
100 micrograms per fluid ounce = 0.0033814023 micrograms per microliter.
Conversion table
| Microgram per Fluid ounce (ug/fl oz) | Microgram per Microliter (ug/uL) |
|---|---|
| 0.001 ug/fl oz | 3.381402e-8 ug/uL |
| 0.01 ug/fl oz | 3.381402e-7 ug/uL |
| 0.1 ug/fl oz | 0.0000033814 ug/uL |
| 1 ug/fl oz | 0.000033814 ug/uL |
| 10 ug/fl oz | 0.0003381402 ug/uL |
| 100 ug/fl oz | 0.0033814023 ug/uL |
Reverse conversion: Microgram per Microliter to Microgram per Fluid ounce
0.000033814 ug/uL × 29573.52956 = 0.9999993286 ug/fl oz
0.000033814 micrograms per microliter = 0.9999993286 micrograms per fluid ounce.
micrograms per fluid ounce = micrograms per microliter × 29573.5295625
For a page dedicated to this direction, see Microgram per Microliter to Microgram per Fluid ounce.
Understanding the Microgram per Fluid ounce (ug/fl oz)
Mass concentration.
Understanding the Microgram per Microliter (ug/uL)
Mass concentration.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micrograms per microliter are in 1 microgram per fluid ounce?
1 microgram per fluid ounce equals 0.000033814 micrograms per microliter, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per fluid ounce to microgram per microliter?
Multiply the microgram per fluid ounce value by 0.0000338140227. The converter above does this instantly to whatever precision you set.
How do I convert microgram per microliter back to microgram per fluid ounce?
Use the reverse factor: 1 microgram per microliter equals 29,573.52956 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 microgram per microliter?
Microgram per Microliter (ug/uL) is a unit of chemistry.
Is the microgram per fluid ounce to microgram per microliter conversion exact?
Yes. Both microgram per fluid ounce and microgram per microliter are defined by fixed standards rather than physical artifacts, so the factor of 0.0000338140227 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.