Inches to Centimeters

    Convert inches to centimeters instantly. Enter a value in in, get cm, and use the formula, examples, and conversion table for quick checks.

    From
    To
    1 in = 2.54 cm1 cm = 0.393701 in
    1 in in other units
    mm
    25.4
    m
    0.0254
    km
    2.5400e-5
    ft
    0.083333
    yd
    0.027778
    mi
    1.5783e-5

    How to convert in to cm

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

    x is the source value in in; y is the result in cm.

    Conversion factor
    Direct factor: 2.54 cm for 1 in. Reverse factor: 0.393701 in for 1 cm.

    Popular conversions

    Quick answers for common in to cm 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 in to cm values:

    incm
    12.54
    512.7
    1025.4
    50127
    100254
    1,0002,540

    About inches

    Inch (in) — One international inch is exactly 2.54 centimeters.

    Common uses: Inches are common for screen sizes, product dimensions, pipe diameters, and US height notation.

    About centimeters

    Centimeter (cm) is a length unit.

    Frequently Asked Questions

    Updated:

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