Centimeter Calculator
Convert centimeters to and from metric and imperial length units with precision
Length Conversion
Base unit of the metric system (1/100 meter)
Metric unit
Conversion Result
Conversion Factor: 1 cm = 1 cm
Formula: cm = cm ÷ 1
Common Length Examples
All Unit Conversions
Metric Units
Imperial Units
Small Units
Quick Reference
Centimeter Facts
Centimeter means "one hundredth of a meter"
Symbol: cm (no period after cm)
Part of the metric system used worldwide
Common in everyday measurements
Practical for small to medium measurements
Usage Tips
Use cm for height, width, and length measurements
Remember: 1 inch = 2.54 cm exactly
10 mm = 1 cm for small measurements
Use scientific notation for very large/small values
Understanding the Centimeter
What is a Centimeter?
A centimeter (cm) is a unit of length in the metric system that equals one hundredth of a meter (0.01 m). It's commonly used for everyday measurements like height, width, and dimensions of objects.
Metric Relationships
- •1 centimeter = 10 millimeters
- •100 centimeters = 1 meter
- •100,000 centimeters = 1 kilometer
Imperial Conversions
Converting between metric and imperial units is common in many applications. Here are the key relationships:
1 inch = 2.54 cm
Exact conversion factor
1 foot = 30.48 cm
12 inches × 2.54
Example Conversions
Metric Examples
10 miles to centimeters
10 miles × 160,934.4 cm/mile
= 1,609,344 cm
5 feet to centimeters
5 ft × 30.48 cm/ft
= 152.4 cm
Practical Examples
A4 Paper Dimensions
Width: 21 cm (8.27 inches)
Height: 29.7 cm (11.69 inches)
Average Human Height
170 cm = 5 feet 7 inches
Common adult height measurement