100 mm to cm
100 mm = 10 cm
100 millimeters equals 10 centimeters.
How to convert 100 mm to cm
Use the formula cm = mm ÷ 10:
cm = 100 ÷ 10cm = 10
So 100 mm = 10 cm.
Rounded values and quick estimate
- Rounded to a whole number: 10 cm
- Rounded to one decimal place: 10 cm
- Conversion factor: 1 millimeter = 0.1 centimeters
This conversion is exact, so there is no need to estimate: just divide by 10.
100 mm in other units
- Centimeters
- 10 cm
- Meters
- 0.1 m
- Kilometers
- 0.0001 km
- Inches
- 3.94 in
- Feet
- 0.3281 ft
- Yards
- 0.1094 yd
- Miles
- 0.000062 mi
- Micrometers
- 100000 µm
- Hands
- 0.9843 hh
- Nautical miles
- 0.000054 nmi
- Mils (thou)
- 3937.01 mil
100 mm and nearby values
| Millimeters | Centimeters |
|---|---|
| 96 mm | 9.6 cm |
| 97 mm | 9.7 cm |
| 98 mm | 9.8 cm |
| 99 mm | 9.9 cm |
| 100 mm | 10 cm |
| 101 mm | 10.1 cm |
| 102 mm | 10.2 cm |
| 103 mm | 10.3 cm |
| 104 mm | 10.4 cm |
About millimeters and centimeters
A millimeter is one thousandth of a meter (0.1 cm). It is used for small, precise measurements like rainfall, screws and paper thickness.
A centimeter is one hundredth of a meter. It is the everyday metric unit for body height, clothing and short lengths.
Related conversions
Frequently asked questions
What is 100 mm in cm?
100 millimeters is 10 centimeters (100 mm = 10 cm).
How do you convert 100 mm to cm?
Apply cm = mm ÷ 10: cm = 100 ÷ 10, cm = 10.
How many millimeters is 10 cm?
10 cm is about 100 millimeters.