km, m, cm, mm's

10mm= 1cm
1000mm= 1m
100cm=1m
1000000cm= 1kg
1000m=1kg
100000m=10kg

here is a convercation-poem about kg,m,cm,mm:

The measures of mm
not quite the same as litre
how many mm are there in a cm?
"there are 10 mm in a cm" said peter
"How many cm are there in a meter?" asked billy
"100" repiled pur teacher called milly
"how many meters are there in a km" wondered pinky
"10?" guessed linky
"no, no it's 100" shouted might
the teacher said "that's right