22cm = 220mm
to convert it, you can use
kilo Hecto Deca base(meter, gram, or Liter) deci centi milli
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80 cm equals 800 mm.
1.5 cm equals 15 mm.
There are 26 cm in 260 mm. This is because there are 10 mm in 1 cm. When you divide 260 mm by 10, you get 26 cm.
it equals 980 for the number model is 9.8x100=980
2000 mm = 200 cm