Convert Square Centimetre to Square Inch

Instant area conversion, with the formula and a full reference table.

1 cm² 0.15500031 in²

1 in² = 6.4516 cm²

How to convert Square Centimetre to Square Inch

Multiply the number of square centimetre by 0.15500031.

in² = cm² × 0.15500031

To go the other way, divide instead — or multiply by 6.4516.

Worked example

To convert 25 cm²: 25 × 0.15500031 = 3.875 in².

Square Centimetre to Square Inch conversion table

Square Centimetre (cm²) Square Inch (in²)
1 0.15500031
2 0.31000062
3 0.46500093
5 0.77500155
10 1.55
20 3.1
25 3.875
50 7.75
100 15.5
250 38.7501
500 77.5002
1,000 155