Skip to content

Microgram [mcg] to Kilogram [kg] Converter

Quick Reference

1 Microgram (mcg) = 1.0000e-9 Kilogram (kg)

1 Kilogram (kg) = 1000000000 Microgram (mcg)

How to Convert Microgram to Kilogram

1 mcg = 1.0000e-9 kg
1 kg = 1000000000 mcg

To convert Microgram to Kilogram, divide the value by 1000000000 (equivalently, multiply by 1.0000e-9). To convert Kilogram back to Microgram, multiply by 1000000000.

Example: convert 10 mcg to kg:
10 mcg = 10 x 1.0000e-9 = 1.0000e-8 kg

↔ Convert Kilogram to Microgram

Microgram

Definition: A microgram (mcg or µg) is a unit of mass in the metric system, equal to one millionth (10⁻⁶) of a gram.

History/origin: The microgram is derived from the gram, which was defined during the French Revolution as the mass of one cubic centimeter of water at the temperature of melting ice. The prefix 'micro-' indicates one millionth.

Current use: Micrograms are commonly used to measure very small amounts of substances, such as vitamins, medications, and pollutants. They are frequently used in pharmaceuticals, biochemistry, and environmental science.

Kilogram

Definition: A kilogram (symbol: kg) is the base unit of mass in the International System of Units (SI). It is equal to 1000 grams.

History/origin: The kilogram was originally defined as the mass of a specific artifact called the International Prototype Kilogram (IPK), a platinum-iridium cylinder. In 2019, the definition was redefined based on fundamental physical constants.

Current use: Kilograms are used for measuring the mass of larger objects, such as people, packages, and vehicles. It's a standard unit in commerce, engineering, and science.

Microgram to Kilogram Conversion Table

Microgram [mcg]Kilogram [kg]
1 mcg1.0000e-9 kg
2 mcg2.0000e-9 kg
5 mcg5.0000e-9 kg
10 mcg1.0000e-8 kg
20 mcg2.0000e-8 kg
50 mcg5.0000e-8 kg
100 mcg1.0000e-7 kg
200 mcg2.0000e-7 kg
500 mcg5.0000e-7 kg
1000 mcg1.0000e-6 kg

Common Microgram to Kilogram conversions

  • 1 mcg = 1.000000e-9 kg
  • 2 mcg = 0.000000002 kg
  • 3 mcg = 0.000000003 kg
  • 4 mcg = 0.000000004 kg
  • 5 mcg = 0.000000005 kg
  • 6 mcg = 0.000000006 kg
  • 7 mcg = 0.000000007 kg
  • 8 mcg = 0.000000008 kg
  • 9 mcg = 0.000000009 kg
  • 10 mcg = 0.00000001 kg
  • 12 mcg = 0.000000012 kg
  • 15 mcg = 0.000000015 kg
  • 20 mcg = 0.00000002 kg
  • 25 mcg = 0.000000025 kg
  • 30 mcg = 0.00000003 kg
  • 40 mcg = 0.00000004 kg
  • 50 mcg = 0.00000005 kg
  • 60 mcg = 0.00000006 kg
  • 75 mcg = 0.000000075 kg
  • 100 mcg = 0.0000001 kg
  • 150 mcg = 0.00000015 kg
  • 200 mcg = 0.0000002 kg
  • 250 mcg = 0.00000025 kg
  • 300 mcg = 0.0000003 kg
  • 500 mcg = 0.0000005 kg
  • 750 mcg = 0.00000075 kg
  • 1,000 mcg = 0.000001 kg

Microgram [mcg] to Kilogram [kg] Converter

What is 1 mcg in kg?
1 Microgram (mcg) equals 1.000000e-9 kg, and 1 kg equals 1,000,000,000 mcg.
How do I convert Microgram to Kilogram?
Divide by 1,000,000,000: 10 mcg ÷ 1,000,000,000 = 0.00000001 kg. The converter above does it for any value, with the precision you choose.
What is 100 mcg in kg?
100 mcg = 0.0000001 kg. Common amounts are listed on this page, each with its own step-by-step page.
Is a Microgram bigger than a Kilogram?
No. 1 mcg is only 1.000000e-9 kg: it takes 1,000,000,000 mcg to make 1 kg.
Microgram to Kilogram Converter | UtilLab