QuickUnit

Weight

Kilogram vs Gram vs Milligram

Quick reference table for unit conversions with key differences.

Reference Table

KilogramkgGramgMilligrammg
0.5500500000
110001000000
220002000000
550005000000
101000010000000
252500025000000
505000050000000
100100000100000000
500500000500000000
100010000001000000000

About These Units

kg

Kilogram

Symbol: kg

The kilogram is the SI base unit of mass, used globally in science, commerce, and daily life. It equals approximately 2.205 pounds.

Used in: Worldwide (metric countries)

g

Gram

Symbol: g

The gram is a metric unit of mass equal to one thousandth of a kilogram. Commonly used for food portions and small measurements.

Used in: Worldwide

mg

Milligram

Symbol: mg

The milligram is one thousandth of a gram, commonly used in medicine and nutrition for measuring small doses.

Used in: Worldwide (medicine, nutrition)

Key Differences

  • 1 kg is equal to 1000 g.
  • 1 kg is equal to 1000000 mg.
  • 1 g is equal to 1000 mg.

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