How many mm in a cm

Centimeters to Millimeters Conversion

1 cm = 10 mm

How to Convert Centimeters to Millimeters

To convert a centimeter measurement to a millimeter measurement, multiply the length by the conversion ratio.

Since one centimeter is adequate to 10 millimeters, you'll be able to use this straightforward formula to convert:

Apples with measuring tape on table

millimeters = centimeters × 10

The length in millimeters is adequate to the centimeters multiplied by 10.

For example, here's the way to convert 5 centimeters to millimeters using the formula above.

5 cm = (5 × 10) = 50 mm

How Many Millimeters are in a Centimeter?

There are 10 millimeters in a very centimeter, which is why we use this value within the formula above.

1 cm = 10 mm

Our inch fraction calculator can add centimeters and millimeters together, and it also automatically converts the results to US customary, imperial, and SI metric values.

Centimeters and millimeters are both units accustomed measure length. Keep reading to find out more about each unit of measure.

Centimeters

One centimeter is adequate to one-hundredth (1/100) of a meter, which is defined because the distance light travels during a vacuum in a very 1/299,792,458 second amount.

The centimeter, or centimeter, may be a multiple of the meter, which is that the SI base unit for length. within the system of weights and measures, "centi" is that the prefix for 10-2. Centimeters may be abbreviated as cm; as an example, 1 centimeter is written as 1 cm.

Metric rulers typically have 30 cm, which are represented by 30 large tick marks. to urge a rough idea of the particular length of a centimeter, a customary pencil is simply about 1 cm thick.

Millimeters

One millimeter is adequate one-thousandth (1/1,000) of a meter, which is defined because the distance light travels in an exceedingly vacuum in an exceedingly 1/299,792,458 second interval.

The millimeter, or millimetre, could be a multiple of the meter, which is that the SI base unit for length. within the system of weights and measures, "milli" is that the prefix for 10-3. Millimeters are often abbreviated as mm; for instance, 1 millimeter is often written as 1 mm.

Slim woman with tape measure

Millimeters are often represented by the tiniest ticks on most metric rulers. to urge an indicator of the scale, the thickness of a US dime is 1.35mm.[1]

We recommend employing a ruler or tape for measuring length, which might be found at an area retailer or home center. Rulers are available in imperial, metric, or combination with both values, so ensure you get the right type for your needs.

Need a ruler? Try our free downloadable and printable rulers, which include both imperial and metric measurements.