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8 centimeters to millimeters

8 centimeters = 80 millimeters

Rounded to a practical precision: 80 mm.

How the calculation works

One centimeter is 10 millimeters, so:

8 cm × 10 = 80 mm

Reversing it, 80 millimeters ÷ 10 returns 8 centimeters.

Nearby values

CentimetersMillimeters
6 cm60 mm
6.5 cm65 mm
7 cm70 mm
7.5 cm75 mm
8 cm80 mm
8.5 cm85 mm
9 cm90 mm
9.5 cm95 mm
10 cm100 mm

About these units

Centimeter (cm) — A centimetre is one hundredth of a metre, the everyday metric unit for body measurements and small objects.

Millimeter (mm) — A millimetre is one thousandth of a metre and is the default unit on engineering drawings and rulers.

Frequently asked questions

How many millimeters is 8 centimeters?

8 centimeters is 80 millimeters.

How do I convert centimeters to millimeters myself?

Multiply by 10. To go back, divide by 10 — or multiply by 0.1.

Is this figure exact?

The conversion factor between the centimeter and the millimeter is fixed by definition. The figure above is rounded for readability; the converter carries full precision.

Convert other values

Full centimeters to millimeters converter · All length converters