Convert Square Millimetre to Square Centimetre
1 square millimetre = 0.01 square centimetre (cm²). For example, 10 square millimetre = 0.1 square centimetre and 100 square millimetre = 1 square centimetre. Type any value below to convert square millimetre to square centimetre both ways — it runs entirely in your browser.
Square Millimetre to Square Centimetre conversion formula
To convert square millimetre to square centimetre, multiply by 0.01:
square centimetre = square millimetre × 0.01
Going the other way, 1 square centimetre = 100 square millimetre, so
square millimetre = square centimetre × 100.
Square Millimetre to Square Centimetre — worked examples
| Square Millimetre | Square Centimetre |
|---|---|
| 1 mm² | 0.01 cm² |
| 2 mm² | 0.02 cm² |
| 3 mm² | 0.03 cm² |
| 5 mm² | 0.05 cm² |
| 10 mm² | 0.1 cm² |
| 25 mm² | 0.25 cm² |
| 50 mm² | 0.5 cm² |
| 100 mm² | 1 cm² |
Square Millimetre ↔ Square Centimetre reference table
| Square Millimetre → Square Centimetre | Square Centimetre → Square Millimetre |
|---|---|
| 1 mm² = 0.01 cm² | 1 cm² = 100 mm² |
| 2 mm² = 0.02 cm² | 2 cm² = 200 mm² |
| 5 mm² = 0.05 cm² | 5 cm² = 500 mm² |
| 10 mm² = 0.1 cm² | 10 cm² = 1,000 mm² |
| 20 mm² = 0.2 cm² | 20 cm² = 2,000 mm² |
| 50 mm² = 0.5 cm² | 50 cm² = 5,000 mm² |
| 100 mm² = 1 cm² | 100 cm² = 10,000 mm² |
| 250 mm² = 2.5 cm² | 250 cm² = 25,000 mm² |
| 500 mm² = 5 cm² | 500 cm² = 50,000 mm² |
| 1000 mm² = 10 cm² | 1000 cm² = 100,000 mm² |
About square millimetre and square centimetre
Square Millimetre: A square millimetre is a 1 mm × 1 mm square — the smallest common metric area unit.
Square Centimetre: A square centimetre is a 1 cm × 1 cm square — 1/10,000 of a square metre.
Indian land units can vary by state and local custom. This converter uses the most widely accepted standard value; always confirm against your local revenue records (patwari / tehsil) for legal transactions.
Frequently asked questions
- How many square centimetre are in 1 square millimetre?
- 1 square millimetre = 0.01 square centimetre (cm²).
- How do I convert square millimetre to square centimetre?
- Multiply the number of square millimetre by 0.01. For example, 10 square millimetre = 10 × 0.01 = 0.1 square centimetre.
- How many square millimetre are in 1 square centimetre?
- 1 square centimetre = 100 square millimetre.
- Which is bigger, square millimetre or square centimetre?
- 1 square centimetre equals 100 square millimetre, so a square centimetre is the larger unit.