Square centimeter (cm²)
A square one centimeter on each side.
What is a square centimeter?
- Symbol
- cm²
- Quantity
- Area
- Unit system
- SI
- Definition
- A square one centimeter on each side.
- Exact
- Yes, the value is exact by definition
- Source
- SI Brochure, 9th edition (BIPM, 2019)
Common applications
Used for small surfaces such as paper, labels and skin areas in medicine.
Square centimeter in other area units
- 1 cm² = 100 mm²Square millimeter
- 1 cm² = 0.0001 m²Square meter
- 1 cm² = 1e-8 haHectare
- 1 cm² = 1e-10 km²Square kilometer
- 1 cm² ≈ 0.15500031 in²Square centimeter to Square inch converter
- 1 cm² ≈ 0.001076391042 ft²Square foot
- 1 cm² ≈ 0.0001195990046 yd²Square yard
- 1 cm² ≈ 2.471053815e-8 acAcre
- 1 cm² ≈ 3.861021585e-11 mi²Square mile
Square centimeter quick reference
| Square centimeter | Square inch | Square meter | Square foot |
|---|---|---|---|
| 1 cm² | ≈ 0.15500031 in² | = 0.0001 m² | ≈ 0.001076391042 ft² |
| 10 cm² | ≈ 1.5500031 in² | = 0.001 m² | ≈ 0.01076391042 ft² |
| 100 cm² | ≈ 15.500031 in² | = 0.01 m² | ≈ 0.1076391042 ft² |
| 1000 cm² | ≈ 155.00031 in² | = 0.1 m² | ≈ 1.076391042 ft² |
Where the square centimeter fits
The next smaller area unit is the square millimeter (mm²). 1 cm² = 100 mm², and 1 mm² = 0.01 cm².
The next larger area unit is the square inch (in²). 1 cm² ≈ 0.15500031 in², and 1 in² = 6.4516 cm².
Frequently asked questions
- How many square inches are in one square centimeter?
- One square centimeter ≈ 0.15500031 in² (square inches).
- How many square meters are in one square centimeter?
- One square centimeter = 0.0001 m² (square meters).
- How many square feet are in one square centimeter?
- One square centimeter ≈ 0.001076391042 ft² (square feet).