Inches to Centimeters Converter

Instant length conversion — both ways, with the exact formula.

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Converting: in → cm
Result in centimeters (cm)
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Formula: cm = inches × 2.54

Type any length — the result updates as you type. Use Swap to convert centimeters back to inches.

📋 Inches to Centimeters Quick Table

Inches (in)Centimeters (cm)Common use
1 in2.54 cmThe base unit
6 in15.24 cmHalf a ruler
10 in25.4 cmTablet width
12 in30.48 cm1 foot
36 in91.44 cm1 yard

📏 How to Use This Inches to Centimeters Converter

  1. 1.Type a length. The converted value appears instantly — no button to press, no page reload.
  2. 2.Swap the direction. The ⇄ button flips the converter so you can turn centimeters back into inches just as fast.
  3. 3.Check the formula. The exact formula for the current direction is always shown under the result, so you can reuse it anywhere.
  4. 4.Use the quick table. Common lengths — 1 inch, 1 foot, 1 yard — are listed for a fast sanity check.

❓ FAQ

How do you convert inches to centimeters?

Multiply the length in inches by 2.54. Formula: cm = inches × 2.54. For example, 10 inches × 2.54 = 25.4 cm. The factor is exact — since 1959 one inch has been defined as exactly 2.54 centimeters.

How many centimeters are in 1 inch?

Exactly 2.54 centimeters. So a 12-inch ruler is 30.48 cm, and a US letter-size sheet of paper (11 inches tall) is 27.94 cm tall.

How do you convert centimeters back to inches?

Divide the length in centimeters by 2.54. Formula: inches = cm ÷ 2.54. For example, 25.4 cm ÷ 2.54 = 10 inches. The swap button on this page reverses the direction instantly.

Is this inches to cm converter free?

Yes — 100% free, no sign-up. The conversion happens entirely in your browser; nothing is uploaded, saved or tracked.

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