📏 Math and Unit Conversion

Feet and Inches to CM Converter: Dual-Field Input, Height Comparison Mode, and Batch Conversion

Three modes: convert feet and inches to cm using separate ft and in fields with full output (cm, m, mm, total inches), use height comparison mode to see your height vs US male and female averages, EU averages, NFL, NBA, and door height on a chart, or batch-convert up to 20 heights. Formula: cm = (ft x 12 + in) x 2.54. PDF with complete 4ft to 7ft table. WhatsApp share included.

Dual Ft + In Fields Height Comparison Chart US and EU Averages NBA and NFL Reference Batch up to 20 Heights Full 4ft to 7ft PDF Table
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Feet and Inches to CM Converter

ft
in
Enter feet in the left field and inches (0-11) in the right field. Leave either blank to use zero. E.g. 5 ft + 9 in = 175.26 cm. 6 ft + 0 in = 182.88 cm. For fractional inches use 0.5 steps.

Conversion Result

0 centimeters
0 Meters / Ft+In
0 MM / Sq Meters
0 Total Inches

Formula Used

Why Feet and Inches to CM Matters for International Medical Records, Passports, and Sports

Americans state height in feet and inches. Almost every other country, and virtually every medical and official international system, records height in centimeters. This gap affects Americans in multiple real-world situations: completing international visa and immigration forms, filling out foreign medical records or hospital intake paperwork, listing height on international dating profiles and social platforms, submitting athletic profiles to international sports organizations, and understanding international product sizing (helmets, wetsuits, ski boots, and other size-by-height gear).

Medical records are perhaps the most important context. The CDC, WHO, and international medical literature all report height in centimeters. When a US patient’s electronic health record migrates internationally, or when an American receives medical care abroad, height in feet and inches needs to be accurately converted to centimeters. A 5’9″ US male patient = 175.26 cm. Documenting this as 175 cm (rounding) vs 175.26 cm (exact) may seem trivial, but in pediatric growth charts, drug dosing calculations based on body surface area, and sports medicine records, the exact centimeter value matters. This converter uses the exact formula: cm = (feet x 12 + inches) x 2.54, with no approximation.

Sports rosters and scouting databases are another high-volume use case. US sports teams report player heights in feet and inches; international scouting systems use centimeters. The NBA G League and FIBA international basketball databases, NFL combine measurements compared to European football databases, and MLB scouting in Latin America all require accurate ft+in-to-cm conversions for hundreds of players at a time. The batch mode handles exactly this need.

175.26 cm Average US adult male height: 5’9\” exactly. CDC National Center for Health Statistics data. Formula: (5×12+9) x 2.54 = 69 x 2.54 = 175.26 cm.
162.56 cm Average US adult female height: 5’4\” exactly. CDC data. Formula: (5×12+4) x 2.54 = 64 x 2.54 = 162.56 cm.
203.20 cm Standard US interior door height: 6’8\”. Formula: (6×12+8) x 2.54 = 80 x 2.54 = 203.20 cm. A useful everyday maximum reference.

How Does This Three-Mode Feet and Inches to CM Converter Work?

Mode 1: Dual-Field Feet and Inches to CM

Enter feet in the left input field and inches (0 to 11.9) in the right input field. The converter calculates exact centimeters, meters, millimeters, and total inches. The bar chart compares the result to reference heights at 5’4″ (US female average), 5’9″ (US male average), 6’0″, and 6’6″ (NBA average). Context notes appear automatically for notable heights.

Mode 2: Height Comparison Mode

Enter height in feet and inches (or pick a preset) and get the exact cm plus a detailed comparison chart showing your height vs seven international benchmarks: average US female (5’4″ = 162.56 cm), average EU female (5’5″ = 165.10 cm), average US male (5’9″ = 175.26 cm), average EU male (5’10.5″ = 179.07 cm), average NFL QB (6’3″ = 190.50 cm), average NBA player (6’6″ = 198.12 cm), and standard door height (6’8″ = 203.20 cm). Your height appears in green. A context note explains where your height falls relative to US adult height percentiles.

Mode 3: Batch Heights

Enter up to 20 heights (one per line) in any of these formats: 5’9, 5 9, 5-9, 5ft9in. The converter parses each height, calculates exact cm and meters, and displays a sortable table. The PDF export for any mode includes the complete reference table from 4’0″ (121.92 cm) to 7’0″ (213.36 cm) in 1-inch increments.

Three Real Examples: Medical Record, International Resume, and Basketball Roster

Example 1: Converting US Patient Height for International Medical Record

Single Mode: 5’7″ = 170.18 cm = 1.7018 m = 67 total inches

A US patient traveling abroad needs emergency medical care. The hospital intake form asks for height in cm. The patient knows she is 5 feet 7 inches but does not know her height in centimeters. What is the exact value to record?

5 ft 7 in = (5 x 12 + 7) x 2.54 = 67 x 2.54 = 170.18 cm = 1.7018 m. This should be recorded as 170 cm or 170.2 cm on the form.

Medical records in Europe, Australia, and most of the world are recorded in centimeters. An accurate height entry matters because body surface area (BSA) calculations used for cancer chemotherapy dosing, BMI (which uses height in cm for the international formula), and pediatric medication dosing all depend on height in centimeters. The Mosteller BSA formula: BSA = sqrt(height_cm x weight_kg / 3600). At 170.18 cm and 65 kg: BSA = sqrt(170.18 x 65 / 3600) = sqrt(3.074) = 1.753 m². Rounding 5’7″ to 170 cm vs 170.18 cm introduces a 0.1% error in BSA, which is clinically negligible for most applications but worth recording correctly when the exact value is available. The World Health Organization at WHO.int standardizes height measurement in centimeters for all global health metrics.

Example 2: Converting Team Heights for International Sports Scouting

Batch Mode: 6’2″, 6’5″, 6’8″, 6’10”, 5’11” = 187.96, 195.58, 203.20, 208.28, 180.34 cm

A basketball team scout is submitting player profiles to a European league that requires height in centimeters. The US team has five players at 6’2″, 6’5″, 6’8″, 6’10”, and 5’11”. What are their exact heights in cm?

6’2″ = 187.96 cm. 6’5″ = 195.58 cm. 6’8″ = 203.20 cm. 6’10” = 208.28 cm. 5’11” = 180.34 cm.

The batch mode handles all five conversions at once. For context: the average NBA player is 6’6″ (198.12 cm), making the 6’8″ (203.20 cm) player above NBA average and the 6’2″ (187.96 cm) player below it. FIBA, the international basketball federation, reports player heights in centimeters across all its databases and competition formats. The NBA itself uses a dual system (feet and inches for US-facing content, centimeters for international pages). The 5’11” (180.34 cm) player in this batch is well below NBA average (198.12 cm) but above the average EU male (179.07 cm). FIBA’s official technical rules at FIBA.basketball require player height in centimeters for all international competitions.

Example 3: Checking Height for International Visa and Immigration Form

Height Comparison: 6’1″ = 185.42 cm. Above US male average; near EU male average.

A US citizen applying for a work visa in Germany needs to complete the Anmeldeformular (registration form) and other official German documents that request height in centimeters. The applicant is 6 feet 1 inch. What should he enter?

6 ft 1 in = (6 x 12 + 1) x 2.54 = 73 x 2.54 = 185.42 cm. He should enter 185 cm (rounded to nearest whole cm) on German forms, or 185.4 cm if the form accepts one decimal place.

Official German government forms, including visa applications and the Einwohnermeldeamt registration, request height in centimeters. Many European countries use 185 cm (rounded down) or 185.4 cm (one decimal) depending on form precision requirements. German health insurance applications, driver’s license records, and ID documents all record height in full centimeters. The US Passport Card and passport list height in feet and inches, while the European biometric passport lists height in centimeters. For a US citizen living or working in Germany, knowing that 6’1″ = 185 cm is a practical everyday need. The US Embassy’s resources for American citizens abroad are available at de.usembassy.gov.

US and International Average Heights in Feet, Inches, and CM

Height averages vary significantly by country, gender, and generation. US average heights are among the global upper-middle range but have been surpassed by several Northern and Western European countries. The table below shows average adult heights for selected countries in both feet-and-inches (US format) and centimeters (international format).

Country / CategoryGenderHeight (ft + in)Height (cm)
United StatesMale5’9.1″175.26 cm
United StatesFemale5’3.9″162.56 cm
NetherlandsMale5’11.9″182.5 cm
NetherlandsFemale5’6.7″170.4 cm
GermanyMale5’10.7″179.9 cm
UK (England)Male5’10.0″177.8 cm
FranceMale5’9.5″176.7 cm
JapanMale5’7.0″170.7 cm
JapanFemale5’2.4″158.0 cm
South KoreaMale5’8.4″173.5 cm
BrazilMale5’8.6″174.0 cm
ChinaMale5’7.8″172.6 cm
IndiaMale5’5.5″166.3 cm
NBA Players (average)Male6’6.0″198.12 cm
NFL Players (average)Male6’2.1″188.0 cm
MLB Players (average)Male6’1.5″186.9 cm

Average height data is sourced from national health surveys and published academic research. The CDC’s National Health and Nutrition Examination Survey (NHANES) at CDC.gov/nchs provides authoritative US average height data. International data comes from published systematic reviews and national health statistics. Heights for professional athletes are based on official league measurements.

Complete Height Reference Table: Feet and Inches to CM for Common Heights

Ft + InCMMetersContext
4’10”147.32 cm1.4732 mBelow 5th percentile US females; 58 total inches
4’11”149.86 cm1.4986 m59 total inches
5’0″152.40 cm1.5240 mExactly 5 feet = 60 inches = 152.4 cm
5’1″154.94 cm1.5494 m61 total inches
5’2″157.48 cm1.5748 m62 total inches
5’3″160.02 cm1.6002 m63 total inches
5’4″162.56 cm1.6256 mAverage US adult female height (CDC)
5’5″165.10 cm1.6510 mAverage European female height; 65 total inches
5’6″167.64 cm1.6764 m66 total inches
5’7″170.18 cm1.7018 m67 total inches; above-average US female
5’8″172.72 cm1.7272 m68 total inches; below-average US male
5’9″175.26 cm1.7526 mAverage US adult male height (CDC); 69 total inches
5’10”177.80 cm1.7780 m70 total inches; above-average US male
5’11”180.34 cm1.8034 m71 total inches; ~85th percentile US males
6’0″182.88 cm1.8288 mExactly 6 feet = 72 inches; ~90th percentile US males
6’1″185.42 cm1.8542 m73 total inches; ~94th percentile US males
6’2″187.96 cm1.8796 m74 total inches; average MLB player height range
6’3″190.50 cm1.9050 mAverage NFL QB height; 75 total inches
6’4″193.04 cm1.9304 m76 total inches; average NFL wide receiver
6’5″195.58 cm1.9558 m77 total inches
6’6″198.12 cm1.9812 mAverage NBA player height; 78 total inches
6’7″200.66 cm2.0066 m79 total inches; over 2 meters
6’8″203.20 cm2.0320 mStandard US interior door height; 80 total inches
6’9″205.74 cm2.0574 m81 total inches; NBA centers and power forwards
6’10”208.28 cm2.0828 m82 total inches; very tall NBA player range
7’0″213.36 cm2.1336 mExactly 7 feet = 84 inches; extremely rare adult height

What Is the Formula to Convert Feet and Inches to CM?

The formula has two steps. First, convert to total inches: total_inches = (feet x 12) + inches. Then multiply by 2.54: cm = total_inches x 2.54. Combined: cm = (feet x 12 + inches) x 2.54. This is exact because 1 inch = 2.54 cm exactly.

Example walkthrough for 5’9″: feet x 12 = 5 x 12 = 60 inches from the feet. Add remaining inches: 60 + 9 = 69 total inches. Multiply by 2.54: 69 x 2.54 = 175.26 cm. For 6’0″: 6 x 12 = 72 total inches x 2.54 = 182.88 cm exactly. For 6’8″ (standard door): 6 x 12 + 8 = 80 total inches x 2.54 = 203.20 cm exactly. The NIST definition of the inch at NIST.gov confirms: 1 inch = 2.54 cm, established exactly in 1959.

Expert Tips for Feet-and-Inches to CM in Medicine, Sports, and International Travel

Tip 1: Why Rounding Height Matters in Medical Contexts

When recording height for medical purposes, precision to the nearest centimeter is typically sufficient (e.g., 175 cm rather than 175.26 cm). However, certain medical calculations use height more precisely. Body surface area (BSA) calculations for chemotherapy dosing use the full decimal value. BMI in the international WHO formula uses height in meters: BMI = weight_kg / (height_m)^2. For a 5’9″ patient: height = 1.7526 m. BSA by Mosteller formula: sqrt(height_cm x weight_kg / 3600). Using 175 cm instead of 175.26 cm creates a 0.15% error in BSA and BMI, which is clinically negligible for most adults but can matter for pediatric dosing calculations where small measurement errors compound. For children, the WHO child growth standards at WHO.int use exact centimeter measurements for growth chart plotting. Always record the most precise value available from measurement, and use this converter to convert from feet-and-inches to the exact centimeter value rather than approximating.

Tip 2: How International Sports Organizations Handle US Feet-and-Inches Heights

US professional sports use feet and inches for player heights in all public-facing content. International sports organizations use centimeters. FIBA (international basketball) records height in centimeters: NBA player Giannis Antetokounmpo is listed at 6’11” (210.82 cm) in US sources and 211 cm in FIBA databases. FIFA (international soccer) uses centimeters exclusively: Lionel Messi 170 cm (5’7″), Cristiano Ronaldo 187 cm (6’1.6″). The NFL Combine measures player heights in feet-and-inches to the nearest eighth of an inch. When converting combine measurements to centimeters for international databases, the same exact formula applies: cm = (ft x 12 + in) x 2.54. A player at 6’3 5/8″ = 6 ft + 3.625 in = (6 x 12 + 3.625) x 2.54 = 75.625 x 2.54 = 192.09 cm. The batch mode accepts decimal inches, so 6 feet 3.625 inches entered as 6 and 3.625 would give 192.09 cm.

Tip 3: Height on International Dating Profiles, Passports, and Visa Forms

International dating apps, visa applications, and government documents consistently request height in centimeters. The most common format is just the number in cm (e.g., “175”) without the “cm” unit in some fields. Here is a quick reference for the most commonly searched heights: 5’7″ = 170 cm. 5’8″ = 173 cm. 5’9″ = 175 cm. 5’10” = 178 cm. 5’11” = 180 cm. 6’0″ = 183 cm. 6’1″ = 185 cm. 6’2″ = 188 cm. These rounded values are the standard for dating profile height fields, which typically accept whole centimeters. For US passport applications, height is listed in feet and inches on the US passport but in centimeters on the European biometric passport (if applicable). For European Schengen visa applications, some consulates request height in centimeters on the biometric data form. The height comparison mode makes it easy to see where any US height falls relative to international benchmarks, helping users decide how to frame their height in different international contexts.

How Height Gets Recorded in Official US Documents: Passports, Driver’s Licenses, and Government ID

US official documents record height in feet and inches. The US passport application (DS-11 and DS-82 forms) asks for height in feet and inches, with a minimum height of 1’0″ and maximum of 8’11”. The US driver’s license or state ID lists height in feet and inches in all 50 states. The Social Security card and Medicare card do not list height, but Social Security Administration records may include it. Military enlistment and DODMERB physical exams record height in inches (total inches, not feet and inches), then convert to centimeters for some medical databases.

When a US citizen needs to provide height on an international form that requests centimeters, the conversion from the US driver’s license (which shows height in feet and inches, e.g., “5-09” meaning 5 feet 9 inches) to centimeters requires exactly the formula this converter uses. A license showing “6-02” means 6 feet 2 inches = 187.96 cm. A license showing “5-04” means 5 feet 4 inches = 162.56 cm. The US passport records height as whole feet and whole inches; half-inch measurements are rounded to the nearest whole inch for passport purposes. For international use, however, the exact value matters, and a person listed at “5-09″ (5’9”) on their driver’s license is most accurately described as 175.26 cm (not rounded to 175 cm) when precision is available.

Feet and Inches in US Construction, Interior Design, and Furniture Shopping

US construction and interior design use feet and inches for all height and dimension measurements. Standard US ceiling height is 8 feet = 243.84 cm (standard drywall = 8 ft sheets). High-end residential ceiling is 9 feet = 274.32 cm or 10 feet = 304.80 cm. A standard US interior door is 6’8″ = 203.20 cm tall and 2’8″ (32 inches) to 3’0″ (36 inches) wide. When an American orders furniture from a European manufacturer (IKEA, BoConcept, Ligne Roset), product dimensions are listed in centimeters and must be converted back to feet and inches to check if a piece fits through a doorway, fits under a ceiling, or works in a room described in US dimensions. This converter handles that reverse-direction need too, since the formula works for any inches-and-feet to cm calculation, including furniture and room dimensions when entered using feet and fractional inches. A wardrobe listed at 203 cm tall: 203 / 2.54 = 79.92 total inches = 6 ft 7.92 in. That is just under the 6’8″ (80 inch) standard US door height, so it would fit through with about 0.08 inches (2 mm) of clearance, making disassembly likely necessary.

Frequently Asked Questions About Feet and Inches to CM

5 feet 9 inches = 175.26 cm. Formula: (5×12 + 9) x 2.54 = 69 x 2.54 = 175.26 cm. This is the average height of US adult males (CDC data).
5 feet 4 inches = 162.56 cm. Formula: (5×12 + 4) x 2.54 = 64 x 2.54 = 162.56 cm. This is the average height of US adult females (CDC data).
5 feet 7 inches = 170.18 cm. Formula: (5×12 + 7) x 2.54 = 67 x 2.54 = 170.18 cm.
6 feet 0 inches = 182.88 cm. Formula: (6×12 + 0) x 2.54 = 72 x 2.54 = 182.88 cm. 6 feet is approximately the 90th percentile for US adult males.
5 feet 10 inches = 177.80 cm. Formula: (5×12 + 10) x 2.54 = 70 x 2.54 = 177.80 cm.
5 feet 11 inches = 180.34 cm. Formula: (5×12 + 11) x 2.54 = 71 x 2.54 = 180.34 cm.
5 feet 8 inches = 172.72 cm. Formula: (5×12 + 8) x 2.54 = 68 x 2.54 = 172.72 cm.
5 feet 6 inches = 167.64 cm. Formula: (5×12 + 6) x 2.54 = 66 x 2.54 = 167.64 cm.
5 feet 5 inches = 165.10 cm. Formula: (5×12 + 5) x 2.54 = 65 x 2.54 = 165.10 cm. This is the approximate average EU female height.
5 feet 3 inches = 160.02 cm. Formula: (5×12 + 3) x 2.54 = 63 x 2.54 = 160.02 cm.
5 feet 2 inches = 157.48 cm. Formula: (5×12 + 2) x 2.54 = 62 x 2.54 = 157.48 cm.
5 feet 1 inch = 154.94 cm. Formula: (5×12 + 1) x 2.54 = 61 x 2.54 = 154.94 cm.
5 feet = 152.40 cm exactly. Formula: (5×12 + 0) x 2.54 = 60 x 2.54 = 152.40 cm.
6 feet 1 inch = 185.42 cm. Formula: (6×12 + 1) x 2.54 = 73 x 2.54 = 185.42 cm.
6 feet 2 inches = 187.96 cm. Formula: (6×12 + 2) x 2.54 = 74 x 2.54 = 187.96 cm.
6 feet 3 inches = 190.50 cm. Formula: (6×12 + 3) x 2.54 = 75 x 2.54 = 190.50 cm. This is approximately the average NFL quarterback height.
6 feet 6 inches = 198.12 cm. Formula: (6×12 + 6) x 2.54 = 78 x 2.54 = 198.12 cm. This is the average NBA player height.
6 feet 8 inches = 203.20 cm. Formula: (6×12 + 8) x 2.54 = 80 x 2.54 = 203.20 cm. This is the standard US interior door height.
4 feet 11 inches = 149.86 cm. Formula: (4×12 + 11) x 2.54 = 59 x 2.54 = 149.86 cm.
Formula: cm = (feet x 12 + inches) x 2.54. Step 1: convert feet to inches by multiplying feet by 12. Step 2: add remaining inches. Step 3: multiply total inches by 2.54 (exact cm per inch). Example: 5’9″ = (5×12 + 9) x 2.54 = 69 x 2.54 = 175.26 cm.