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21.5 cms equals 215 mms

metric system works in 10s 100s or 1000s here is a rough overview

10 mm equals 1 centimetre

100 centimetre equals 1 metre also 1000 millimetres equals 1 metre

1000 metres equals a kilometre

the metric system also works on volume as well 1 cubic metre equals 1000 litres

10 cms cubed is 1 litre

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14y ago
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AnswerBot

7mo ago

To convert centimeters to millimeters, you should multiply by 10. Therefore, 45 centimeters is equal to 450 millimeters.

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Wiki User

16y ago

When you convert centimeters into Millimeters, Multiply with 10. 30*10=300 30 centimeters is equavilant to 300 millimeters Thus, the answer is 300 Millimeters

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16y ago

well there is 10 millimeters in one centimeter, so that means 45 x 10

450 millimeters.

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15y ago

There are 452 millimeters in 45.2 centimeters. 45.2 centimeters x 10 millimeters/1 centimeter = 452 millimeters 1 centimeter = 10 millimeters

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9y ago

By unit of length and distance and conversion ,we can say that

1 cm=10 mm

15 cm=150 mm

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14y ago

20 centimeters (cm) = 200 millimeters (mm)

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Wiki User

13y ago

250 millimetres.

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Q: 45 centimeters equals how may millimeters?
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Related questions

What is 4.5 centimeters in millimeters?

4.5 centimeters is 45 millimeters.


45 in equals how many cm?

45 inches is equivalent to 114.3 centimeters. To convert inches to centimeters, you can use the conversion factor of 1 inch = 2.54 centimeters.


Is 45 centimeters less than 450 millimeters?

One centimeter is exactly 10 millimeters. Therefor, 45 centimeters is exactly 450 millimeters. Both are the same.


800 millimeters equals how many centimeters?

1 inch = 25.4 millimeters750 millimeters x 1 inch/25.4 millimeters= 29.53 inchesyou may try the online converter linked below next time


How many centimeters in 45 millimeters?

4.5 cm 1 centimeter = 10 millimeters 1 millimeter = 0.1 centimeter


How much is 45 mm in cm?

45 millimeters expressed in centimeters is 4.5 cm. To calculate conversions like this, you take the millimeters and divide them by ten to find the amount of centimeters.


45 kilometers equals how many centimeters?

45 kilometers=4,500,000 centimeters


What is 45 millimeters?

45 millimeters is a unit of measurement equivalent to 4.5 centimeters or 0.045 meters. It is commonly used to measure small distances, such as the length of a small object or the diameter of a coin.


What is the value of 45 mm in cm?

457 millimetres


How many cm are in 4 millimeters?

There are 0.4 centimeters in 4 millimeters. This is because there are 10 millimeters in 1 centimeter.


What is greater 4centimeters or 45millimeters?

45 millimeters is greater than 4 centimeters


Does 4.5 centimeters equal 450 millimeters?

No it is 45 mm 1 centimeter = 10 millimeters 1 millimeter = 0.1 centimeter