1 Centimeters to Millimeters
1 centimeter is equal to 10 millimeters.
How to Convert 1 Centimeters to Millimeters
To convert 1 centimeter to millimeters, multiply 1 by 10:
Reversing the calculation: 10 millimeters ÷ 10 = 1 centimeters.
What Does 1 Centimeters Look Like?
1 centimeter (10 millimeters) is about the size of a coin. In schools across the metric world, the centimeter is the first length unit children learn to measure with — printed on every classroom ruler.
Centimeter measurements appear on cosmetic packaging, kitchen tools, and gardening supplies as the practical retail unit.
For additional reference, 1 cm also equals approximately 10 mm or 0.033 ft. Looking at the result side: Smartphone, laptop, and TV bezel thicknesses are reported in millimeters in product comparisons.
Nearby Values — Centimeters to Millimeters
FAQ
How many millimeters is 1 centimeter?
1 centimeter = 10 millimeters.
How do I convert centimeters to millimeters?
Multiply the number of centimeters by 10. Formula: mm = cm × 10.
Is 1 cm = 10 mm exact?
Yes — the conversion factor (10) is exact by international definition, so 1 cm converts to 10 mm without any rounding error.
What is half and double of 1 centimeters in millimeters?
Half of 1 centimeters is 0.5 cm = 5 mm. Double is 2 cm = 20 mm.
How do I convert 10 millimeters back to centimeters?
Divide 10 by 10, or equivalently multiply by 0.1. The reverse calculation returns 1 centimeters, confirming the original input.