Mass concentration.
Grams per Fluid ounce to Micrograms per Microliter Converter — g/fl oz to ug/uL
Convert Gram per Fluid ounce (g/fl oz) to Microgram per Microliter (ug/uL) using the exact conversion factor (1 gram per fluid ounce = 33.8140227 microgram per microliter). See the formula, worked examples, and conversion table.
Grams 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 33.8140227 / 1.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Grams per Fluid ounce to Micrograms per Microliter
Gram 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 = grams per fluid ounce × 33.8140227018
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per fluid ounce equals 33.8140227018 base units, and 1 microgram per microliter equals 1 base unit, so dividing one by the other gives the direct gram per fluid ounce-to-microgram per microliter factor of 33.8140227018.
Simple example
1 g/fl oz × 33.8140227 = 33.8140227 ug/uL
1 gram per fluid ounce = 33.8140227 micrograms per microliter.
Real-world example
100 g/fl oz × 33.8140227 = 3,381.40227 ug/uL
100 grams per fluid ounce = 3,381.40227 micrograms per microliter.
Conversion table
| Gram per Fluid ounce (g/fl oz) | Microgram per Microliter (ug/uL) |
|---|---|
| 0.001 g/fl oz | 0.0338140227 ug/uL |
| 0.01 g/fl oz | 0.338140227 ug/uL |
| 0.1 g/fl oz | 3.38140227 ug/uL |
| 1 g/fl oz | 33.8140227 ug/uL |
| 10 g/fl oz | 338.140227 ug/uL |
| 100 g/fl oz | 3,381.40227 ug/uL |
Reverse conversion: Microgram per Microliter to Gram per Fluid ounce
33.8140227 ug/uL × 0.02957352956 = 0.9999999999 g/fl oz
33.8140227 micrograms per microliter = 0.9999999999 grams per fluid ounce.
grams per fluid ounce = micrograms per microliter × 0.0295735295625
For a page dedicated to this direction, see Microgram per Microliter to Gram per Fluid ounce.
Understanding the Gram per Fluid ounce (g/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 gram per fluid ounce?
1 gram per fluid ounce equals 33.8140227 micrograms per microliter, using the exact defined conversion factor rather than an estimate.
How do I convert gram per fluid ounce to microgram per microliter?
Multiply the gram per fluid ounce value by 33.8140227. The converter above does this instantly to whatever precision you set.
How do I convert microgram per microliter back to gram per fluid ounce?
Use the reverse factor: 1 microgram per microliter equals 0.0295735296 grams per fluid ounce. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per fluid ounce?
Gram per Fluid ounce (g/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 gram per fluid ounce to microgram per microliter conversion exact?
Yes. Both gram per fluid ounce and microgram per microliter are defined by fixed standards rather than physical artifacts, so the factor of 33.8140227 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.