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Inches to CM Conversion ChartFormula, Common Sizes & Printable Reference

Convert inches to centimeters with the exact formula: cm = inches × 2.54. Use this printable chart for height, screen sizes, furniture dimensions, photo prints, clothing measurements, and travel forms.

The inch-to-centimeter factor is exact: 1 inch equals 2.54 centimeters by definition. Round only after the calculation when you need a practical label or fit check.

Exact formula - cm = inches × 2.54
Common size answers
Printable PDF/PNG
Height, screen, furniture

Quick answer

Common inch to centimeter conversions

Need another value? Multiply the inch value by 2.54, or use the printable chart below for a fast lookup.

1 inch

2.54 cm

5 inches

12.7 cm

10 inches

25.4 cm

12 inches

30.48 cm

24 inches

60.96 cm

36 inches

91.44 cm

40 inches

101.6 cm

60 inches

152.4 cm

Formula: centimeters = inches × 2.54

Example: 10 inches × 2.54 = 25.4 cm.

For quick estimates, multiplying by 2.5 is close, but use 2.54 for print, product, medical, or fit-sensitive measurements.

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Length Conversion Chart

Range: 1-100 inches • Step: 1" • 2 decimals • Feet & Inches • Meters

InchesFeet'Inches" Centimeters (cm)Meters (m)
10'1"2.540.03
20'2"5.080.05
30'3"7.620.08
40'4"10.160.10
50'5"12.700.13
60'6"15.240.15
70'7"17.780.18
80'8"20.320.20
90'9"22.860.23
100'10"25.400.25
110'11"27.940.28
121'0"30.480.30
131'1"33.020.33
141'2"35.560.36
151'3"38.100.38
161'4"40.640.41
171'5"43.180.43
181'6"45.720.46
191'7"48.260.48
201'8"50.800.51
211'9"53.340.53
221'10"55.880.56
231'11"58.420.58
242'0"60.960.61
252'1"63.500.64
262'2"66.040.66
272'3"68.580.69
282'4"71.120.71
292'5"73.660.74
302'6"76.200.76
312'7"78.740.79
322'8"81.280.81
332'9"83.820.84
342'10"86.360.86
352'11"88.900.89
363'0"91.440.91
373'1"93.980.94
383'2"96.520.97
393'3"99.060.99
403'4"101.601.02
413'5"104.141.04
423'6"106.681.07
433'7"109.221.09
443'8"111.761.12
453'9"114.301.14
463'10"116.841.17
473'11"119.381.19
484'0"121.921.22
494'1"124.461.24
504'2"127.001.27
514'3"129.541.30
524'4"132.081.32
534'5"134.621.35
544'6"137.161.37
554'7"139.701.40
564'8"142.241.42
574'9"144.781.45
584'10"147.321.47
594'11"149.861.50
605'0"152.401.52
615'1"154.941.55
625'2"157.481.57
635'3"160.021.60
645'4"162.561.63
655'5"165.101.65
665'6"167.641.68
675'7"170.181.70
685'8"172.721.73
695'9"175.261.75
705'10"177.801.78
715'11"180.341.80
726'0"182.881.83
736'1"185.421.85
746'2"187.961.88
756'3"190.501.91
766'4"193.041.93
776'5"195.581.96
786'6"198.121.98
796'7"200.662.01
806'8"203.202.03
816'9"205.742.06
826'10"208.282.08
836'11"210.822.11
847'0"213.362.13
857'1"215.902.16
867'2"218.442.18
877'3"220.982.21
887'4"223.522.24
897'5"226.062.26
907'6"228.602.29
917'7"231.142.31
927'8"233.682.34
937'9"236.222.36
947'10"238.762.39
957'11"241.302.41
968'0"243.842.44
978'1"246.382.46
988'2"248.922.49
998'3"251.462.51
1008'4"254.002.54

Formula: cm = inches × 2.54

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File Details

Rows

100

Range

1-100

PDF FILE SIZE

0KB

Quality

300 DPI

Conversion Formula & Quick Methods

The Formula

cm = inches × 2.54

Example Calculation:

Problem: Convert 10 inches to cm

Step 1: 10 × 2.54

Answer: = 25.4 cm

The Math Behind the Conversion

The conversion factor 2.54 comes from the international standardization of the inch in 1959. Before this, different countries had slightly different definitions of an inch.

Today, 1 inch is defined as exactly 2.54 centimeters. This means:

  • 1 inch = 2.54 cm (exact definition)
  • 12 inches = 30.48 cm (1 foot)
  • 39.37 inches ≈ 1 meter (100 cm)

💡 Memory Trick: Remember 2.54 - multiply any inch value by this number to get centimeters!

Quick Mental Calculation Tips

🧮Trick #1: Multiply by 2.5

For quick estimates, multiply inches by 2.5 instead of 2.54

Example: 20 inches × 2.5 = 50 cm
(Actual: 50.8 cm - close enough!)

📊Trick #2: Use Benchmarks

Remember key conversions

Know: 1 inch ≈ 2.5 cm
So: 12 inches ≈ 30 cm
And: 40 inches ≈ 100 cm
📏

Height Conversion Reference

Quick reference for converting height between feet/inches and centimeters. Perfect for medical forms, international ID cards, and travel documents.

Feet'Inches"Total InchesCentimeters (cm)Meters (m)
4'0"48121.921.22
4'6"54137.161.37
5'0"60152.401.52
5'1"61154.941.55
5'2"62157.481.57
5'3"63160.021.60
5'4"64162.561.63
5'5"65165.101.65
5'6"66167.641.68
5'7"67170.181.70
5'8"68172.721.73
5'9"69175.261.75
5'10"70177.801.78
5'11"71180.341.80
6'0"72182.881.83
6'1"73185.421.85
6'2"74187.961.88
6'3"75190.501.91
6'6"78198.121.98
7'0"84213.362.13

Highlighted rows:5'4" = Average US female5'9" = Average US male

How to Convert Height

📐 Quick Calculation Method:

  1. Step 1: Convert feet to inches (multiply feet × 12)
  2. Step 2: Add remaining inches
  3. Step 3: Multiply total inches × 2.54 to get cm

Example: Convert 5'9" to centimeters

Step 1: 5 feet × 12 = 60 inches

Step 2: 60 + 9 = 69 inches

Step 3: 69 × 2.54 = 175.26 cm ≈ 175 cm or 1.75 m

📊 Average Heights

  • • US Adult Male: 5'9" (175 cm)
  • • US Adult Female: 5'4" (163 cm)
  • • Doorway: 6'8" (203 cm)
  • • Basketball Hoop: 10'0" (305 cm)

🌍 International Context

  • • Most countries use cm for height
  • • Medical forms often require cm
  • • Travel visas may need both formats
  • • Sports use cm for player heights

Quick Reference - Common Items

Real-world examples to help you visualize inch-to-cm conversions

ItemInchesCentimeters
Credit Card Width3.37"8.56 cm
Standard Doorway36"91.44 cm
Standard Ceiling96"243.84 cm
Queen Mattress Width60"152.4 cm
Carry-on Luggage22"55.88 cm
Standard Refrigerator70"177.8 cm
Average Waist (Male)40"101.6 cm
Average Waist (Female)38"96.52 cm

Common Use Cases

Inches to CM conversion is essential in many everyday situations. Here's how this chart helps you.

🛍️

Clothing & Apparel

Shop confidently from international retailers:

  • Chest: Find the right shirt size
  • Waist: Convert pants measurements
  • Inseam: Get perfect length
  • Sleeve: Jacket sizing

Example:

32" waist = 81.28 cm

40" chest = 101.6 cm

🏠

Furniture & Home Goods

IKEA and international furniture:

  • Tables: Length, width, height
  • Sofas: Seating dimensions
  • Beds: Mattress sizes
  • Rugs: Room coverage

Tip:

Measure doorways (usually 80" / 203 cm) before buying large furniture!

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Screen Sizes

TVs, monitors, and devices:

  • TVs:55" = 139.7 cm diagonal
  • Monitors:24" = 60.96 cm
  • Laptops:15" = 38.1 cm
  • Tablets:10" = 25.4 cm

Note:

Screen sizes are diagonal. Check width×height for actual dimensions.

✈️

Travel & International

Essential for travelers:

  • Luggage: Airline size limits
  • Height: Ride requirements
  • Forms: International documents
  • Hotel: Room dimensions

Common Limits:

Carry-on: 22"×14"×9"

= 56×36×23 cm

Screen Size Calculator

Convert diagonal screen size (inches) to actual width and height (cm).

Common Sizes Reference

Paper Size Showdown: Letter vs A4

US Letter (Standard)

8.5" x 11"

21.59 cm x 27.94 cm

Wider, shorter.

ISO A4 (International)

8.27" x 11.69"

21.0 cm x 29.7 cm

Narrower, taller.

A4 Background
US Letter
Will it fit? US Letter is wider than A4. It might not fit in strict A4 plastic sleeves or folders!

IKEA & Furniture Fit Guide

Most international furniture (like IKEA) is designed in cm. Check if it fits your US home.

Item DimensionCentimetersInchesFit Check
Standard Shelf Depth30 cm11.81"Fits 12" space
Kitchen Counter Depth60 cm23.62"Fits 24" space
Standard Wardrobe Height200 cm78.74"Needs 80" clearance
Tall Wardrobe Height236 cm92.91"Needs 8ft (96") ceiling
Twin Bed Width96.5 cm38"Standard US Twin
Full/Double Bed Width137 cm54"Standard US Full

Photo Print Sizes

📷

Standard Postcard

4" x 6"10 x 15 cm

Exact: 10.16 x 15.24 cm

📷

Greeting Card

5" x 7"13 x 18 cm

Exact: 12.7 x 17.78 cm

📷

Headshot / Portrait

8" x 10"20 x 25 cm

Exact: 20.32 x 25.4 cm

📷

Small Poster

11" x 14"28 x 35 cm

Exact: 27.94 x 35.56 cm

📷

Medium Poster

16" x 20"40 x 50 cm

Exact: 40.64 x 50.8 cm

Understanding the Inch and Centimeter

Learn the difference between imperial and metric measurement systems

📏

The Inch (Imperial System)

An inch is a unit of length in the imperial system, primarily used in the United States. Originally based on the width of a thumb, it's now standardized as exactly 2.54 centimeters.

Key Facts:

  • 1 inch = 2.54 cm (exact, by definition)
  • 12 inches = 1 foot
  • 36 inches = 1 yard
  • 63,360 inches = 1 mile

Common in:

  • 🇺🇸 United States
  • 🇬🇧 UK (partially - still transitioning)
  • 🛠️ Woodworking and construction
  • 📐 Engineering drawings (US)

ℹ️ The inch-cm conversion was standardized in 1959

📐

The Centimeter (Metric System)

A centimeter is a unit in the metric system, equal to one-hundredth of a meter. It's used worldwide and is the standard in most countries for everyday measurements. Part of the International System of Units (SI).

Key Facts:

  • 1 cm = 10 millimeters (mm)
  • 100 cm = 1 meter (m)
  • 100,000 cm = 1 kilometer (km)
  • 1 cm = 0.3937 inches

Common in:

  • 🌍 Most of the world (195 countries)
  • 🔬 Scientific research globally
  • 🏥 Medical measurements
  • 🛒 International commerce

💡 Easy decimal system: everything is base-10

When to Use Each System

📏 Use Inches For:

  • US clothing sizes and patterns
  • American products and dimensions
  • Height in US/UK contexts
  • Woodworking and DIY in the US
  • Screen sizes (TVs, monitors globally)

📐 Use Centimeters For:

  • International clothing from Europe/Asia
  • IKEA and European furniture
  • Scientific work and research
  • Medical forms and health data
  • Travel documents and visas

🌍 Global Context:

Only three countries have not officially adopted the metric system: the United States, Liberia, and Myanmar. However, even these countries use metric in science, medicine, and international trade.

Related Length Conversions

Continue with the reverse conversion, millimeter references, or feet/inches charts when your measurement starts in a different unit.

CM → InchesSizing helper
CentimetersMetersDecimal (in)Fraction (in)ft'-in
50.051.971 15/16"0'2"
100.103.943 15/16"0'4"
200.207.877 7/8"0'8"
300.3011.8111 13/16"1'0"
500.5019.6919 11/16"1'8"
700.7027.5627 9/16"2'4"
900.9035.4335 7/16"2'11"
1001.0039.3739 3/8"3'3"
1301.3051.1851 3/16"4'3"
1801.8070.8770 7/8"5'11"

CM to Inches Chart

Convert centimeters to inches with precision for international sizing and measurements.

LengthFree PDF & PNG
MM → InchesPro template
MillimetersDecimal (in)Fraction (in)
0.50.0200
10.0391/16
6.350.2501/4
12.70.5001/2
190.7483/4
25.41.0001
38.11.5001 1/2
50.82.0002
76.23.0003
101.64.0004

MM to Inches Chart

Convert millimeters to inches with decimals and fractions for woodworking and engineering.

LengthFree PDF & PNG
Inches → MMWorkshop preset
Inches (fraction)Inches (decimal)MillimetersCentimeters
1/4"0.2506.350.64
1/2"0.50012.701.27
1"1.00025.402.54
1 1/2"1.50038.103.81
2"2.00050.805.08
2 1/2"2.50063.506.35
3"3.00076.207.62
4"4.000101.6010.16
5"5.000127.0012.70
6"6.000152.4015.24

Inches to MM

Imperial to metric conversions for hardware sizing and fabrication.

LengthFree PDF & PNG
Feet → MetersConstruction
Feet (ft)Feet & InchesMeters (m)
11'0"0.305
33'0"0.914
66'0"1.829
1010'0"3.048
1515'0"4.572
2020'0"6.096
2525'0"7.620
3030'0"9.144
4040'0"12.192
5050'0"15.240

Feet to Meters

Imperial to metric conversion with engineering-friendly precision and printable exports.

LengthFree PDF & PNG
Meters → FeetTravel preset
Meters (m)Feet (ft)Feet & InchesReference
0.51.641'8"
13.283'3"~3 feet
1.85.915'11"Tall person
39.849'10"Standard ceiling
516.4016'5"Basketball hoop
1032.8132'10"One story
2065.6265'7"
50164.04164'1"
100328.08328'1"
150492.13492'2"

Meters to Feet

Height, elevation, and construction conversions from meters to feet.

LengthFree PDF & PNG
Decimal → FractionPrecision
DecFracMM
0.01561/64"0.397
0.03131/32"0.794
0.06251/16"1.588
0.12501/8"3.175
0.18753/16"4.763
0.25001/4"6.350
0.37503/8"9.525
0.50001/2"12.70
0.75003/4"19.05
1.00001"25.40

Decimal to Fraction Chart

Convert decimals into common fractions for measuring, drafting, and math.

SpecialFree PDF & PNG
Fraction → DecimalEducational
FractionDecimalPercent
1/640.01561.56%
1/320.03133.13%
1/160.06256.25%
1/80.125012.5%
3/160.187518.8%
1/40.250025%
5/160.312531.3%
3/80.375037.5%
1/20.500050%
3/40.750075%

Fraction to Decimal

Fractions from 1/64 to whole numbers for math education and precision cutting.

SpecialFree PDF & PNG

Frequently Asked Questions

How do you convert inches to centimeters?

Multiply inches by 2.54. For example, 10 inches × 2.54 = 25.4 centimeters.

Is 1 inch exactly 2.54 cm?

Yes. 1 inch is exactly 2.54 centimeters by definition. Use 2.54 for accurate conversions and round the final result only when needed.

What is 12 inches in centimeters?

12 inches equals 30.48 centimeters. This is also 1 foot converted to centimeters.

What is 60 inches in centimeters?

60 inches equals 152.4 centimeters. In height notation, 60 inches is 5 feet 0 inches.

Can I use 2.5 instead of 2.54 for inches to cm?

You can use 2.5 for a quick mental estimate, but it is not exact. Use 2.54 for product dimensions, forms, printing, medical measurements, or any fit-sensitive work.

Are TV and monitor sizes converted the same way?

Yes, but screen size is measured diagonally. A 55-inch screen is 139.7 cm diagonally. Check width and height separately if you need to know whether it fits a space.

Why do clothing and furniture listings use centimeters?

Most international retailers and manufacturers use metric dimensions. Converting inches to centimeters helps compare US measurements with European or Asian sizing charts.

Still have questions?

We're here to help! Email us with your questions or feedback.

Email: support@chartsprintables.com