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unit of measure: the base unit | the supplementary unit | the derived unit

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unit

Mass

Definition

The mass is defined as the measurable size determines the amount of substance contained in a body or particle determinable measured macroscopically and also macroscopically.

1 kilogram is the mass of the platinum-iridium prototype which was approved by the Conférence Générale des Poids et Mesures, held in Paris in 1889, and kept by the Bureau International des Poids et Mesures.

Not to be confused with a body weight.

 

system of units:   SI;
statute:   the base unit;
name the value:   M, m;
unit name:   kilogram;
symbol unit:   kg;
dimension:   M;
expression in other units:   oz, gr, lb;

Online converter

For separation of number integers and decimals, use the symbol – point [.]

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Units of measurement

namesymbol value in SI unit:
kg
note
1 carat (ct, kt) = 2 × 10-4 
1 grain gr= 6.479 891 × 10-5 
1 hundredweight, short  ≈ 45.359 24(1)
1 hundredweight, long  ≈ 50.802 35(2)
1 kilogram-force second squared per metre kgf·s²/m= 9,806 65 
1 ounce oz av≈ 0.028 349 52(3)
1 ounce Troyes ozt≈ 0.031 103 48(4)
1 pennyweight dwt≈ 0.001 555 174 
1 pound avoirdupois lb av≈ 0.453 592 4 
1 pound troy lbt, lbtr≈ 0.373 241 7(5)
1 slug slug≈ 14.593 90 
1 ton metric t= 1 000 
1 ton, long  ≈ 1 016.047(6)
1 ton, short  ≈ 907.184 7(7)
1 ton, assay AT≈ 0.029 166 67 
1 tonne t= 1 000(8)
1 centner = 100 
1 quintal, metricq= 100 
1 quintal, longq≈ 50,802 35 
1 quintal, shortq≈ 45,359 24 

Note:

(1) - 100 lb ;

(2) - 112 lb;

(3) - ounce avoirdupois;

(4) - ounce troy;

(5) - troy, apotecary;

(6) - 2240 lb;

(7) - 2000 lb;

(8) - called metric ton in US;