Convert atomic mass units to kg
Atomic mass units to kilograms. Enter a value to convert, or use the atomic mass units to kg chart further down the page.
1 atomic mass unit equals 1.660539067e-27 kilograms. Going the other way, 1 kilogram = 6.022140762e26 atomic mass units.
How to convert atomic mass units to kg
To convert atomic mass units to kilograms, multiply the atomic mass unit value by 1.660539067e-27. You can also divide by 6.022140762e26 to get the same answer.
kg = u × 1.660539067e-27
Worked example
Convert 15 u to kilograms:
15 u = 2.4908086e-26 kg
atomic mass units to kg conversion chart
Use this atomic mass units to kg table for quick reference without typing anything.
| atomic mass units (u) | kilograms (kg) |
|---|---|
| 0.01 u | 1.660539067e-29 kg |
| 0.1 u | 1.660539067e-28 kg |
| 1 u | 1.660539067e-27 kg |
| 2 u | 3.321078133e-27 kg |
| 3 u | 4.9816172e-27 kg |
| 5 u | 8.302695333e-27 kg |
| 10 u | 1.660539067e-26 kg |
| 20 u | 3.321078133e-26 kg |
| 50 u | 8.302695333e-26 kg |
| 100 u | 1.660539067e-25 kg |
| 1,000 u | 1.660539067e-24 kg |
What is a atomic mass unit?
The atomic mass unit (u) is a unit of weight equal to 1.660539067e-27 kilograms.
What is a kilogram?
The kilogram is the SI base unit of mass. Since 2019 it has been defined by fixing the Planck constant, replacing the platinum-iridium cylinder held near Paris.
Frequently asked questions
How many kg are in an atomic mass unit?
1 atomic mass units equals 1.660539067e-27 kg. Going the other way, 1 kg is 6.022140762e26 atomic mass units.
How do you convert atomic mass units to kg?
To convert atomic mass units to kilograms, multiply the atomic mass unit value by 1.660539067e-27. You can also divide by 6.022140762e26 to get the same answer.
What is 10 atomic mass units in kg?
10 atomic mass units equals 1.660539067e-26 kg. The conversion chart on this page lists the other values people look up most often.
Related weight conversions
Convert atomic mass units to other units
- kg to atomic mass units
- atomic mass units to grams
- atomic mass units to mg
- atomic mass units to micrograms
Convert other units to kg
Popular conversions
cm to inchesinches to cmkg to lbslbs to kgCelsius to FahrenheitFahrenheit to Celsiusmm to inchesinches to mmkm to milesmiles to kmmeters to feetfeet to meterscm to feetfeet to inchesinches to feetml to fl ozfl oz to mlliters to gallonsgallons to literscups to ml