Convert kilogram to milligram
Enter the value to convert from kilogram to milligram.
How to Convert Kilogram to Milligram
Converting kilogram to milligram is straightforward using our conversion calculator.
Conversion Formula
mg = kg × 1000000Reverse conversion: Convert milligram to kilogram
Comparison: Kilogram vs Milligram
When to Use Each Unit
Kilogram: Universal standard for mass measurement in science, commerce, and daily life worldwide except in the United States.
Milligram: Standard for medication dosing, vitamin content, chemical analysis, and precise small mass measurements.
Common Conversion Values
- 1 kg = 1000 g
- 1 kg ≈ 2.205 lb
- 1 kg ≈ 35.27 oz
- 1 kg ≈ 0.157 stone
About Kilogram
Definition: The kilogram (symbol: kg) is the SI base unit of mass, defined by fixing the Planck constant to exactly 6.62607015 × 10⁻³⁴ J⋅s.
History: Originally defined in 1795 as the mass of one liter of water. Redefined in 2019 using fundamental physical constants.
Current Use: Universal standard for mass measurement in science, commerce, and daily life worldwide except in the United States.
Examples: Human weight: 50-100 kg, bag of flour: 1-5 kg, car weight: 1000-2000 kg, laptop: 1-3 kg
About Milligram
Definition: The milligram (symbol: mg) is one thousandth of a gram, used for measuring very small masses, especially in medicine.
History: Became essential with development of precision medicine and chemistry requiring accurate small dosages.
Current Use: Standard for medication dosing, vitamin content, chemical analysis, and precise small mass measurements.
Examples: Medication: 5-500 mg doses, vitamin C: 60-1000 mg, caffeine: 50-200 mg, salt in food: 100-2000 mg