Units

Centimeters to Inches Calculator

cm
in value
70.8661 in
1 cm =
0.3937 in
cm from same number of in
457.2 cm

Convert centimeters to inches for height, screens, and measurements.

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How to use this calculator

  1. Enter the amount in cm.
  2. Read the equivalent value in in.
  3. The '1 cm =' line is the exact conversion factor.
  4. Use the reverse line to convert in back to cm.

Formula

in = cm × 0.3937008
  • cm — the value you are converting
  • 0.3937008 — in in one cm

Worked example

180 cm is 180 × 0.393701 ≈ 70.87 inches, about 5 ft 11 in.

Frequently asked questions

How many inches in a centimeter?

0.3937 in per cm.

How to reverse?

Multiply inches by 2.54.

Is it exact?

Yes — 1 inch = 2.54 cm exactly.

180 cm in feet?

About 70.9 in, or 5 ft 11 in.

Why convert?

Imperial and metric measurements differ by region.

Related calculators

KH
Kim H. · Author
Reviewed by Dr. Lena Ortiz · Updated 2026-06-03
Sources
Embed this calculator
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View answer.json (AI feed)
{
  "tool": "cm-to-inches",
  "question": "How does the Centimeters to Inches Calculator work?",
  "answer": "Convert centimeters to inches for height, screens, and measurements.",
  "formula": "in = cm × 0.3937008",
  "inputs": [
    {
      "id": "value",
      "label": "Value (cm)",
      "unit": "cm"
    }
  ],
  "sources": [
    {
      "name": "NIST — Unit conversions",
      "url": "https://www.nist.gov/pml/owm",
      "note": "Standard conversion factors."
    }
  ],
  "updated": "2026-06-03"
}