Centimeters to Inches Converter (cm to in) – Fast & Accurate Tool
Convert centimeters to inches (cm to in) and inches to centimeters (in to cm) with millimeter-accurate precision. Displays both exact decimal inches and closest tape measure fractional markings (1/16″), live step-by-step formulas, clothing and shoe sizing charts, and 1–200 cm conversion tables.
Live Centimeters to Inches Calculator
Equivalent Length in Other Units
How to Convert Centimeters to Inches (cm to in)
Converting centimeters to inches is the mathematical inverse of multiplying by 2.54. Because 1 inch = 2.54 centimeters exactly, there are two mathematically valid formulas you can apply depending on whether you prefer division or multiplication:
Step-by-Step Calculation Examples
-
Example 1 (Small Object / 10 cm): Convert 10 cm to inches.
10 ÷ 2.54 = 3.9370 inches ≈ 3 ⅕/16″. -
Example 2 (Cushion / Tile / 50 cm): Convert 50 cm to inches.
50 ÷ 2.54 = 19.6850 inches ≈ 19 &frac11;/16″. -
Example 3 (Adult Height / 175 cm): Convert 175 cm to feet and inches.
175 ÷ 2.54 = 68.8976 inches.
68.8976 ÷ 12 = 5 feet with 8.8976 inches remaining → 5' 8.9″(commonly rounded to 5 feet 9 inches).
30 cm × 0.4 = 12 inches (actual exact value is 11.81 inches – an error of less than 2%!).
Centimeters to Inches Quick Reference Table (1 cm to 200 cm)
The table below provides instant conversion across common metric lengths from 1 centimeter up to 200 centimeters (2 meters), including decimal inches, fractional tape measure resolution, and feet & inches:
| Centimeters (cm) | Decimal Inches (in) | Closest Tape Fraction | Feet & Inches |
|---|---|---|---|
| 1 cm | 0.3937″ | 3/8″ | 0 ft 0.4 in |
| 2.54 cm | 1.0000″ | 1″ (Exact) | 0 ft 1.0 in |
| 5 cm | 1.9685″ | 1 ⅕/16″ | 0 ft 2.0 in |
| 10 cm | 3.9370″ | 3 ⅕/16″ | 0 ft 3.9 in |
| 15 cm | 5.9055″ | 5 ⅞″ | 0 ft 5.9 in |
| 20 cm | 7.8740″ | 7 ⅞″ | 0 ft 7.9 in |
| 25 cm | 9.8425″ | 9 ⅓/16″ | 0 ft 9.8 in |
| 30 cm | 11.8110″ | 11 ⅓/16″ | 0 ft 11.8 in |
| 40 cm | 15.7480″ | 15 ¾″ | 1 ft 3.7 in |
| 50 cm | 19.6850″ | 19 &frac11;/16″ | 1 ft 7.7 in |
| 60 cm | 23.6220″ | 23 ⅝″ | 1 ft 11.6 in |
| 70 cm | 27.5591″ | 27 &frac916;″ | 2 ft 3.6 in |
| 80 cm | 31.4961″ | 31 ½″ | 2 ft 7.5 in |
| 90 cm | 35.4331″ | 35 &frac716;″ | 2 ft 11.4 in |
| 100 cm (1 m) | 39.3701″ | 39 ⅜″ | 3 ft 3.4 in |
| 120 cm | 47.2441″ | 47 ¼″ | 3 ft 11.2 in |
| 140 cm | 55.1181″ | 55 ⅛″ | 4 ft 7.1 in |
| 150 cm | 59.0551″ | 59 &frac116;″ | 4 ft 11.1 in |
| 160 cm | 62.9921″ | 63″ | 5 ft 3.0 in |
| 170 cm | 66.9291″ | 66 ⅕/16″ | 5 ft 6.9 in |
| 175 cm (Height) | 68.8976″ | 68 ⅞″ | 5 ft 8.9 in |
| 180 cm | 70.8661″ | 70 ⅞″ | 5 ft 10.9 in |
| 190 cm | 74.8031″ | 74 ⅓/16″ | 6 ft 2.8 in |
| 200 cm (2 m) | 78.7402″ | 78 ¾″ | 6 ft 6.7 in |
Sizing Conversion for Apparel and Footwear
When shopping on international fashion stores or purchasing imported clothing, metric centimeters are standard in European, Japanese, and Asian sizing, while US brands rely exclusively on inches.
Men’s Apparel Sizing (cm vs in)
- Chest 36″ (S): 91.4 cm
- Chest 38″ (M): 96.5 cm
- Chest 40″ (L): 101.6 cm
- Chest 42″ (XL): 106.7 cm
- Waist 30″: 76.2 cm | Waist 32″: 81.3 cm
- Waist 34″: 86.4 cm | Waist 36″: 91.4 cm
Women’s Apparel Sizing (cm vs in)
- Bust 34″ (Size 4): 86.4 cm
- Bust 36″ (Size 6-8): 91.4 cm
- Bust 38″ (Size 10): 96.5 cm
- Waist 26″: 66.0 cm | Waist 28″: 71.1 cm
- Waist 30″: 76.2 cm | Waist 32″: 81.3 cm
- Hips 36″: 91.4 cm | Hips 39″: 99.1 cm
Footwear Length & Shoe Size Conversion
| Foot Length (cm) | Foot Length (in) | US Men’s Size | US Women’s Size | EU Size |
|---|---|---|---|---|
| 23.5 cm | 9.25″ | 5.5 | 7.0 | 37 – 38 |
| 24.5 cm | 9.65″ | 6.5 | 8.0 | 39 |
| 25.5 cm | 10.04″ | 7.5 | 9.0 | 40 – 41 |
| 26.5 cm | 10.43″ | 8.5 | 10.0 | 42 |
| 27.5 cm | 10.83″ | 9.5 | 11.0 | 43 |
| 28.5 cm | 11.22″ | 10.5 | 12.0 | 44 – 45 |
Related Measurement & Body Calculators
Explore our suite of conversion and health tools:
- Inches to Centimeters Converter (in to cm) – Convert inches and tape measure fractions to centimeters with TV display screen charts.
- BMI Calculator (Body Mass Index) – Assess healthy body weight using metric centimeters or imperial feet/inches height.
- FindACalc English Homepage – Browse all free online calculators and financial utilities.
Frequently Asked Questions (FAQ)
How many inches are in 1 centimeter?
There are approximately 0.3937007874 inches in 1 centimeter (roughly 3/8 of an inch). To convert any centimeter value to inches, divide by 2.54 or multiply by 0.393701.
What is 170 cm in feet and inches?
170 cm equals exactly 170 ÷ 2.54 = 66.929 inches. In feet and inches, 66.93 inches is 5 feet 6.9 inches (or approximately 5 feet 7 inches).
What is 180 cm in feet and inches?
180 cm equals 180 ÷ 2.54 = 70.866 inches. In feet and inches, this translates to 5 feet 10.9 inches (just a hair under 5 feet 11 inches).
How do I convert centimeters to fractional tape measure inches?
First, divide the centimeters by 2.54 to get the decimal inches. Take the decimal remainder, multiply by 16, and round to the nearest whole integer. For example, 20 cm = 7.874 inches. The decimal remainder 0.874 × 16 = 13.98 ≈ 14 sixteenths, which simplifies to 7/8 of an inch (giving 7 7/8″).
Why divide by 2.54 instead of multiplying by 0.3937?
Dividing by 2.54 is mathematically exact because 1 inch is legally and scientifically defined as exactly 2.54 centimeters. The value 0.3937 is a rounded approximation of 1/2.54 (which is 0.3937007874…). For everyday estimates both work, but engineering and trade calculations require dividing by 2.54.
No comment