Square Centimeters to Square Inches

    Convert square centimeters to square inches for product specs, labels, drawings, crafts, small surface areas, and engineering dimensions.

    From
    To
    1 cm² = 0.155 in²1 in² = 6.4516 cm²
    1 cm² in other units
    mm²
    100
    0.0001
    ha
    1.0000e-8
    km²
    1.0000e-10
    sotka
    1.0000e-6
    ac
    2.4711e-8

    How to convert cm² to in²

    To convert a value from square centimeters (cm²) to square inches (in²), enter the number in the converter above. Use the swap control if you need the reverse direction.

    x is the source value in cm²; y is the result in in².

    Conversion factor
    Direct factor: 0.155 in² for 1 cm². Reverse factor: 6.4516 cm² for 1 in².

    Popular conversions

    Quick answers for common cm² to in² values are available from the related conversion pages.

    Use the related tools section for fixed-value conversions and the reverse direction.

    Common conversion table

    Quick reference table for common cm² to in² values:

    cm²in²
    10.155
    50.775002
    101.550003
    507.750016
    10015.500031
    1,000155.00031

    About square centimeters

    Square centimeter (cm²) — One square centimeter is the area of a square one centimeter on each side. It equals 0.0001 square meters.

    Common uses: Square centimeters are used for product labels, small surface areas, drawings, crafts, medical references, and engineering dimensions.

    About square inches

    Square inch (in²) — One square inch is the area of a square one inch on each side. It equals exactly 6.4516 square centimeters.

    Common uses: Square inches are used for small surface areas, product specs, labels, patterns, crafts, and engineering drawings.

    Frequently Asked Questions

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