A number of units of measurement were used in Cambodia to measure length, mass, capacity, etc. Since 1914, the metric system is compulsory in Cambodia.^{[1]} ^{[2]}

System before metric system
Length
Several units were used to measure length. One muoi (or mot thuoc) was equal to 1 metre.^{[3]} Some other units are given below:.^{[3]}

1 phyeam = 2 muoi = 2 m

1 sen = 20 phyeam = 40 muoi = 40 m

1 yoch = 400 sen = 16,000 muoi = 16 km

Weight
Several units were used to measure mass. One muoi (mot dong can tay) was equal to 0.600 kg.^{[3]} Some other units are given below:^{[3]}

1 lin = ^{3} ⁄_{80} muoi = 22.5 g

1 hun = 10 lin = ^{3} ⁄_{8} muoi = 225 g

1 chin = 10 hun = 3 ^{3} ⁄_{4} muoi = 2.25 kg

1 tael = 10 chin = 37 ^{1} ⁄_{2} muoi = 22.5 kg

1 neal = 16 tael = 600 muoi = 360 kg

1 pram roi (not can tay) = 1000 muoi = 600 kg

1 chong = 50 neal = 30,000 muoi = 18 t

1 hap (picul) = 20 chong = 600,000 muoi = 360 t

Capacity
Several units were used to measure capacity. One sesep (vuong mot gia) was equal to 40 litres.^{[3]} Some other units are given below:^{[3]}

1 muoi (vuong mot ba tay) = ^{1} ⁄_{40} sesep = 1 l

1 kantang = ^{3} ⁄_{16} sesep = 7.5 l

1 tao = 2 kantang = ^{3} ⁄_{8} sesep = 15 l

1 thang = 2 tao = ^{3} ⁄_{4} sesep = 30 l

Metric system
Length
Metric system has been compulsory with the name muoi mètre for meter.^{[1]}

Mass
Metric system has been compulsory with the following names:^{[1]}

1 muoi gramme = 1 g

1 hocsep = 60 kg.

Capacity
Metric system has been compulsory with the following names:^{[1]}

1 muoi litre = 1 l

1 sêsep litre = 40 l .

References
^ ^{a} ^{b} ^{c} ^{d} Washburn, E.W. (1926). International Critical Tables of Numerical Data, Physics, Chemistry and Technology . New York: McGraw-Hil Book Company, Inc. p. 8.
^ Cardarelli, F. (2003). Encyclopaedia of Scientific Units, Weights and Measures. Their SI Equivalences and Origins . London: Springer. p. 7. ISBN 978-1-4471-1122-1 .
^ ^{a} ^{b} ^{c} ^{d} ^{e} ^{f} Cardarelli, F. (2003). Encyclopaedia of Scientific Units, Weights and Measures. Their SI Equivalences and Origins . London: Springer. pp. 146, 147. ISBN 978-1-4471-1122-1 .
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