Enter a value in milligrams per gram (mg/g) into the calculator to determine the equivalent value in micrograms per milligram (µg/mg). Because the unit prefixes cancel out, the numeric value remains the same.

mg/g to µg/mg Converter

Enter a value in mg/g to convert it to µg/mg. These units represent the same ratio, so the number does not change.

Note: 1 mg = 1000 µg and 1 g = 1000 mg, so the factor of 1000 appears in both the numerator and denominator and cancels out.

mg/g to µg/mg Formula

The following formula is used to convert milligrams per gram (mg/g) to micrograms per milligram (µg/mg).

µg/mg = mg/g

Variables:

  • µg/mg is the value in micrograms per milligram
  • mg/g is the value in milligrams per gram

To convert mg/g to µg/mg, keep the same numeric value. This works because 1 mg = 1000 µg and 1 g = 1000 mg, so the factor of 1000 appears in both the numerator and denominator and cancels out.

What is mg/g to µg/mg Conversion?

Both mg/g and µg/mg describe a mass-per-mass ratio. Although the units look different, they represent the same proportion when expressed with different metric prefixes. Since milligrams convert to micrograms by multiplying by 1000, and grams convert to milligrams by multiplying by 1000, the overall ratio stays numerically identical.

For example, 1 mg/g = 1 µg/mg, 10 mg/g = 10 µg/mg, and 25 mg/g = 25 µg/mg. Only the unit notation changes, not the measured concentration.

How to Convert mg/g to µg/mg?

The following steps outline how to convert mg/g to µg/mg.

  1. First, determine the value in milligrams per gram (mg/g).
  2. Next, note that 1 milligram equals 1000 micrograms and 1 gram equals 1000 milligrams.
  3. Finally, apply the relationship µg/mg = mg/g.
  4. After inserting the value and calculating the result, check your answer with the calculator above.

mg/g to µg/mg Conversion Table

The table below lists several example values in mg/g alongside their equivalent values in µg/mg. In each case, the numeric value is exactly the same.

Value in mg/gEquivalent in µg/mgRelationship
0.5 mg/g0.5 µg/mgSame numeric value
1 mg/g1 µg/mgSame numeric value
2 mg/g2 µg/mgSame numeric value
5 mg/g5 µg/mgSame numeric value
10 mg/g10 µg/mgSame numeric value

In practice, some references may use mg/g while others use µg/mg. Since the conversion is one-to-one, you can switch between the two formats without changing the underlying concentration value.

Example Problem:

Use the following value as an example problem to test your knowledge.

Value in mg/g = 10

Equivalent value in µg/mg = 10