Micrograms to grams – convert µg to g

Convert micrograms to grams (µg to g) to present very small doses or trace amounts in a more familiar unit. Helpful for medication doses, supplement labels, toxicology data and lab results.

Open the interactive µg → g converter:

Use main converter (µg → g) or switch to g → µg

The mass converter also covers micrograms, milligrams, kilograms, ounces, pounds and stone for all your weight conversions.

Quick reference: µg to g

One microgram is 0.000001 grams. So: g = µg ÷ 1,000,000. Examples:

Micrograms (µg) Grams (g)
100 µg0.0001 g
500 µg0.0005 g
1,000 µg0.001 g
5,000 µg0.005 g
10,000 µg0.01 g
50,000 µg0.05 g
100,000 µg0.10 g

Why convert micrograms to grams?

µg to g is useful when you:

Other mass converters on this site

All conversions between g, mg and µg use exact SI factors, so you can chain them without rounding surprises.

Page last updated: 4 December 2025.