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Mass units converter
Mass (weight) units converter - converts units between metric (tons, kilograms, etc.), Avoirdupois/US (pounds, ounces) and troy systems

How to convert

  • Enter the number to field "value" - enter the NUMBER only, no other words, symbols or unit names. You can use dot (.) or comma (,) to enter fractions.
    Examples:
    • 1000000
    • 123,23
    • 999.99999
  • Find and select your starting unit in field "unit". Some unit calculators have huge number of different units to select from - it's just how complicated our world is...
  • And... you got the result in the table below. You'll find several results for many different units - we show you all results we know at once. Just find the one you're looking for.

Inputs data - value and unit, which we're going to convert

value
unit
decimals

1 (kilogramy) is equal to:

metryczne

unitsymbolvalue
kilotony (gigagramy)
kton, Gg
0.000001
tony (megagramy)
ton, Mg
0.001
kwintal
q
0.01
kilonewtony
kN
0.009806652
kilogramy
kg
1
hektogramy
hg
10
dekagram
dag
100
gramy
g
1000
karaty
ct
5000
centygramy
cg
100000
miligramy
mg
1000000
mikrogramy
µg
1000000000
nanogramy
ng
1×1012
jednostka masy atomowej
u
6.022141983×1026

Avoirdupois, U.S.

unitsymbolvalue
tona długa
ton
0.000984207
tona krótka
sh tn
0.001102311
duży cetnar
cwt
0.019684131
mały cetnar
sh cwt
0.022046226
kamień
st
0.157473044
funt
lb av
2.204622622
uncja
oz av
35.27396195
dram
dr av
564.383391293
gran
gr
15432.3583529

troy i apteczny

unitsymbolvalue
funt
lb t
2.679228881
uncja
oz t
32.150746569
dram
dr t
257.205972549
pennyweight
dwt, pwt
643.014931373
scruple
s ap
771.617917647
karat
kt
4873.37632199
gran
gr
15432.3583529
mite
308647.167059
doite
7406798.40398

Some facts

  • The mass is a measure of the amount of substance.
  • The mass conception is closely related to the concept of inertia. This is a feature of material objects, which basically means that the body once set in motion retains its speed as long as it will not work on any external forces.
  • The mass of body also determines the gravitation force. Any two bodies interact with force directly proportional to the product of their masses.
  • There are objects without mass for example photons.
  • In the first half of the twentieth century, Einstein created theory saying there is equivalence of mass and energy. This theory is related to one of the most famous physical formulas: E = mc2. The theory has been confirmed experimentally and succesfully applied to create nucler power plant and nuclear weapon. In both cases the energy is "created", while loss of mass is noticed. In other words, the mass is converted into energy.

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Ancient version of this site - links

"Calculla v1" version of this calculatorIn December 2016 the Calculla website has been republished using new technologies and all calculators have been rewritten. Old version of the Calculla is still available through this link: v1.calculla.com. We left the version 1 of Calculla untouched for archvial purposes.
Direct link to the old version:
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