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- busterwasmycatLv 72 months agoFavorite Answer
add 5 zeroes to the right side of the number. 1000 (km/m) x 100 (cm/m) = 100,000 (cm/km). five zeroes. follow the units.

- lenpol7Lv 72 months ago
1 km = 1000m

1m = 100 cm

So to convert 'km' to ' cm' multiply by (1000 x 100 = 100,000) .

Remember the metric table

10 mm = 1cm

100 cm = 1m

1000 m = 1 km

Each step goes up by a factor of '10'

However for metric weights

1000 g = 1 kg

1000 kg = 1 tonne

Each step is converted by '1000'.

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- The MikelLv 72 months ago
Move the decimal point.

It that is difficult then use a conversion web site:

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