Inch is CM
Site home and tool entry

Inch is CM Length Converter

This is the Inch is CM homepage and main tool entry. Start with inches to centimeters, or switch units for other length conversions.

in
Decimals and fractions work, for example 1.5, 1/2, or 1 1/2.
cm
Try a value
Fractions
10 in = 25.4 cm
10 in × 2.54 = 25.4 cm
Decimal inches10 in
Feet + inches0 ft 10 in
Nearest 1/16 inch10"

Also supports mm, m, km, feet, yards, and miles. For the dedicated inches-to-centimeters hub, open Inches to CM.

1 inch = 2.54 cm
The inch has been defined as exactly 2.54 centimeters since 1959.
inches × 2.54 = centimeters

See the conversion methodology and authoritative sources.

Popular inch conversions

Popular heights

High-impression feet-and-inches heights with dedicated centimeter pages.

Common conversion charts

Inch to cm chart

Scan common values from 1 to 100 inches and open a detailed conversion.

View inch chart

CM to inch chart

Compare centimeters with decimal and fractional inch equivalents.

View cm chart

Quick inches to cm table

Use this quick reference table for common whole-inch measurements. Each value uses the exact formula: inches × 2.54 = centimeters.

Common inches converted to centimeters
InchesCentimetersUseful note
1 inch2.54 cmWhole-inch reference
2 inches5.08 cmWhole-inch reference
3 inches7.62 cmWhole-inch reference
4 inches10.16 cmWhole-inch reference
5 inches12.7 cmWhole-inch reference
6 inches15.24 cmWhole-inch reference
7 inches17.78 cmWhole-inch reference
8 inches20.32 cmWhole-inch reference
9 inches22.86 cmWhole-inch reference
10 inches25.4 cmWhole-inch reference
11 inches27.94 cmWhole-inch reference
12 inches30.48 cm1 foot
13 inches33.02 cmWhole-inch reference
14 inches35.56 cmWhole-inch reference
15 inches38.1 cmWhole-inch reference
16 inches40.64 cmWhole-inch reference
17 inches43.18 cmWhole-inch reference
18 inches45.72 cmWhole-inch reference
19 inches48.26 cmWhole-inch reference
20 inches50.8 cmWhole-inch reference
24 inches60.96 cm2 feet
27 inches68.58 cmWhole-inch reference
30 inches76.2 cmWhole-inch reference
32 inches81.28 cmWhole-inch reference
36 inches91.44 cm3 feet
48 inches121.92 cm4 feet
55 inches139.7 cmWhole-inch reference
60 inches152.4 cm5 feet
72 inches182.88 cm6 feet
84 inches213.36 cm7 feet
96 inches243.84 cm8 feet
100 inches254 cmWhole-inch reference

For every whole-inch value from 1 to 100, use the full inch to cm chart.

Convert measurements for real life

Dedicated inches-to-cm hub

Use the dedicated inches-to-centimeters hub for the formula, examples, chart links, and exact inch pages in one place.

Explore dedicated inches-to-cm hub →

Length x width

Convert flat product sizes, prints, frames, tablet cases, and panels by converting each side separately.

Explore length x width →

Length x width x height

Convert boxes, luggage, furniture, shelves, and package specs without changing the dimension order.

Explore length x width x height →

Metric product dimensions

Turn centimeter product specs into inches when a listing, room, box, or shelf uses imperial sizes.

Explore metric product dimensions →

Height conversion

Enter feet and inches to get an exact height in centimeters.

Explore height conversion →

Screen sizes

Convert display diagonals and estimate width and height for laptops, monitors, tablets, and TVs.

Explore screen sizes →

Related tools

Learn the method in the inch-to-cm formula guide, compare inches and centimeters, or see how large 10 inches, 12 inches,15 inches, and 24 inches are. For screen-size searches, use the laptop screen size in cm and TV size in cm guides.

Tool guide

Inch is CM Length Converter: what this tool solves

Inch is CM is the site home and main tool entry. The homepage converter starts on inches to centimeters and also supports millimeters, meters, kilometers, feet, yards, and miles. Open the dedicated inches-to-cm hub when you want formula notes, chart links, and exact inch pages in one place.

Who this tool is for

  • Shoppers comparing product dimensions from inch-based listings with metric measurements.
  • Students, teachers, makers, and DIY users who need a quick length conversion with the formula visible.
  • People checking screen, furniture, packaging, ruler, craft, or everyday object sizes.

What users usually need to do

  • Enter an inch value and get the centimeter result without reading a long article first.
  • Check the exact formula and calculation step for trust or homework use.
  • Use decimals or common fractions, copy the result, or swap the units when checking the reverse conversion.
  • Move to a dedicated hub when the task is inches-to-cm, height, screen size, millimeters, or reverse cm-to-inch conversion.

How it works

  1. Choose the source unit and target unit. The homepage starts with Inch (in) to Centimeter (cm).
  2. Enter a decimal or fraction such as 1.5, 1/2, or 1 1/2. The result updates in the output field and can be copied.
  3. Use the swap button to reverse the conversion without retyping the measurement.
  4. When inches are involved, the tool also shows decimal inches, feet plus inches, and a nearest fractional-inch reference.

Formula / calculation method

centimeters = inches × 2.54

One international inch is exactly 2.54 centimeters. The converter uses defined length relationships through meters, then formats the result for readability.

Examples

Example: 1 inch

Input: 1 inch

Result: 2.54 cm

Useful for understanding the base conversion.

Example: 10 inches

Input: 10 inches

Result: 25.4 cm

A common search value and practical product-size reference.

Example: 24 inches

Input: 24 inches

Result: 60.96 cm

Exactly 2 feet, often used for monitors, shelves, and product dimensions.

Common inch to centimeter results

Common inch to centimeter results
InputResultNote
1 inch2.54 cmCommon reference value
5 inches12.7 cmCommon reference value
10 inches25.4 cmCommon reference value
12 inches30.48 cmExactly 1 foot
24 inches60.96 cmExactly 2 feet

Use cases

  • Checking product dimensions from US listings before comparing metric specifications.
  • Converting ruler, craft, sewing, DIY, or classroom measurements.
  • Understanding screen diagonals, small furniture dimensions, packaging, and shipping sizes.

Tips and best practices

  • Check whether the original measurement is a length, diagonal, width, depth, or height before converting.
  • Keep more decimals for technical work, then round only the final displayed result.
  • Use the height converter for feet-and-inches height values instead of typing height notation into a simple inch field.

Related tools

Dedicated Inches to CM Hub

Use this dedicated hub for inch-specific examples, chart links, and exact-value inch pages.

CM to Inches Converter

Reverse metric-to-inch conversion.

Height Converter

Feet and inches to centimeters for height.

Screen Size Converter

Convert display diagonals and estimate width and height.

Frequently asked questions

How many cm is 1 inch?

One inch is exactly 2.54 centimeters.

How do I convert inches to cm?

Multiply the inch value by 2.54 to get centimeters.

Can this tool convert more than inches and centimeters?

Yes. The homepage tool also supports mm, m, km, ft, yd, and mi while keeping inch to cm as the default conversion.

Can I type fractions like 1/2 inch?

Yes. The converter accepts decimals and common fractions such as 1/2, 1 1/2, and ½.

Can I copy the conversion result?

Yes. Use the Copy result button after the result appears.

Is 10 inches exactly 25.4 cm?

Yes. Because the inch-to-centimeter factor is exact, 10 inches equals exactly 25.4 centimeters.

Should I round inch to cm results?

Round only as much as your task allows. Product specs and technical work may need more precision than casual size comparisons.