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5'11 to cm: Converting 180.34 cm for US Height and Forms

5'11 to cm equals 180.34 cm. Learn to convert 5 feet 11 inches to cm for medical forms, dating apps, and international height comparisons.

Why 5'11 to cm Matters for Americans

Five foot eleven is a height Americans state often. It sits just under 6 feet, which makes it a common tall-but-not-unusual height for adult men, and it appears frequently on forms, in profiles, and at the doctor's office. Converting 5'11 to cm gives you 180.34 centimeters, the value to enter on any metric form, and it matters more than ever as international services standardize on centimeters.

Knowing this single conversion covers a wide range of situations. Whether you are filling out a visa application, setting up a dating profile that uses metric, or completing a medical intake form, the value 180.34 cm is what you need. Use our feet to cm converter for any height, or read on to see exactly how 5'11 translates and where it shows up.

Because 5'11 is just one inch under 6 feet, it is a useful anchor for Americans who want to know where they stand on the metric scale. Once 5'11 equals 180.34 cm is fixed in memory, nearby heights are easy to estimate. Each inch adds or removes 2.54 cm, so 6'0 is 182.88 cm and 5'10 is 177.8 cm.

The Exact 5'11 to Centimeters Calculation

The calculation converts the feet and inches portions separately, then adds them. Because one foot equals 30.48 centimeters and one inch equals 2.54 centimeters, the math is exact with no approximation. This is the same method that handles any feet-and-inches height.

The Step-by-Step Math

First, convert the 5 feet: 5 times 30.48 equals 152.4 cm. Then convert the 11 inches: 11 times 2.54 equals 27.94 cm. Add the two results: 152.4 plus 27.94 equals 180.34 cm. That is the exact centimeter value for a 5'11 height.

An equivalent method is to convert the full height to inches first. Five feet eleven inches is 71 inches total, since 5 times 12 plus 11 equals 71. Then multiply 71 by 2.54 to get 180.34 cm. Both methods produce the same exact result.

How It Compares to Nearby Heights

5'10 equals 177.8 cm, and 6'0 equals 182.88 cm. Seeing 5'11 land at 180.34 cm, right between those two, helps you place the value on the metric scale. Each inch adds 2.54 cm, so moving one inch up or down shifts the centimeter total by that amount. For inch-level conversions, our inches to cm tool handles the smaller units.

Where 5'11 Shows Up in US Life

Five foot eleven appears in three contexts Americans know well. Knowing where it shows up makes the conversion useful rather than abstract. These are the situations that send people searching for the centimeter equivalent.

Above-Average US Adult Height

The average US adult male is about 5'9, or 175.26 cm, so a 5'11 person at 180.34 cm is about 2 inches taller than average. That makes 5'11 a common tall height that still fits within the normal range on medical growth charts. The average US adult female is about 5'4, or 162.56 cm, so 5'11 sits well above the female average.

Forms, Apps, and Records

Dating apps that list height in metric, medical intake forms in metric countries, and visa paperwork all ask for centimeters. A 5'11 person enters 180.34 cm, or 180 cm when the form rounds to whole numbers. Getting this right avoids small mismatches that can cause problems on official documents.

Converting Height for Medical and Official Forms

Medical forms in metric countries require height in centimeters, and 180.34 cm is the value for anyone who is 5'11 tall. This matters for BMI calculations, which use metric height and weight, and for adult growth records plotted on standard charts. A small height error shifts the BMI result and any health advice that follows, so the exact conversion is worth using.

On dating apps that list height in metric, 180.34 cm corresponds to 5'11. Some apps round to the nearest centimeter, so you may see 180 cm, but the exact value is 180.34 cm. Using the exact number keeps your profile consistent across platforms. For a slightly shorter comparison point, see our guide on 5'9 converted to centimeters.

Visa and immigration paperwork also uses centimeters. Many applications ask for height in metric, and a value that shifts between documents can raise questions during review. Entering 180 cm, the rounded form of 180.34 cm, on every form keeps your records consistent and the process smooth.

5'11 Compared with Average US Height

Placing 5'11 next to familiar heights makes the number stick. The average US adult male is about 5'9, or 175.26 cm, so a 5'11 person is about 2 inches taller than average. A 6'0 person is 182.88 cm, just over an inch taller than 5'11, and a 5'10 person is 177.8 cm, an inch shorter.

On a sports roster, 5'11 is a common height for basketball guards, soccer defenders, and wide receivers. For everyday comparison, it is the height of many taller adult men you pass on the street. Knowing that 5'11 maps to 180.34 cm gives you an instant mental picture on any metric form.

In health and fitness contexts, 5'11 is a useful reference for BMI and ideal weight ranges. A 5'11 adult at 77 kg has a BMI of about 23.7, comfortably in the healthy range. Getting the height conversion right keeps those calculations accurate and the guidance that follows from them reliable.

Tips for Accurate Height Conversion

When you convert a feet-and-inches height to centimeters, always convert the two parts separately and add them. The factor 30.48 handles the feet, and 2.54 handles the inches. Rounding too early, such as approximating 5'11 as 5.11 feet, introduces error because 0.11 feet is not 11 inches.

A second tip is to remember that 5'11 is not the same as 5.11 feet. The notation 5'11 means 5 feet plus 11 inches, while 5.11 feet is 5 feet plus 0.11 of a foot, which is about 1.3 inches. Always treat the inch portion as a separate value, multiply by 2.54, and add it to the foot portion converted by 30.48.

A third tip is to use the total-inches shortcut for a single multiplication. Convert the full height to inches first, then multiply by 2.54. For 5'11, that is 71 inches times 2.54, equaling 180.34 cm. The shortcut gives the same exact result as the two-part method and is often faster at the calculator.

Frequently Asked Questions

What is 5'11 to cm?

5'11 equals 180.34 centimeters, calculated as 5 feet times 30.48 plus 11 inches times 2.54.

How do I convert 5 feet 11 inches to centimeters?

Convert the feet by multiplying 5 by 30.48 to get 152.4 cm, convert the inches by multiplying 11 by 2.54 to get 27.94 cm, then add them for 180.34 cm.

Is 5'11 the same as 6 feet?

No. 5'11 is 180.34 cm, while 6 feet is 182.88 cm. They are one inch apart.

Is 5'11 a tall height in the US?

Yes, 5'11 is above the average US adult male height of about 5'9, or 175.26 cm, by roughly 2 inches.

How many inches is 5'11 total?

5'11 is 71 inches total, since 5 feet times 12 plus 11 inches equals 71. Multiplying 71 by 2.54 gives 180.34 cm.

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Quick Summary

Five foot eleven equals 180.34 centimeters exactly, found by converting 5 feet to 152.4 cm and 11 inches to 27.94 cm, then adding them. It is a common above-average US adult male height, which makes the 5'11 to cm conversion useful for forms, apps, and medical records.

Related Guide

5'9 to cm: Converting 175.26 cm for US Height and Forms

5'9 to cm equals 175.26 cm. Learn to convert 5 feet 9 inches to cm for medical forms, dating apps, and international height comparisons.

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Disclaimer

Unit conversions on this site use internationally recognized, fixed conversion factors (for example, 1 inch = 2.54 cm, 1 pound = 0.45359237 kg, 1 °F = (°C × 9/5) + 32). They are provided for general, informational, and educational use. For applications where accuracy is critical — such as medical dosing, engineering, scientific research, trade, or legal compliance — always verify results against authoritative sources such as the U.S. National Institute of Standards and Technology (NIST) and the official International System of Units (SI) brochure, and follow any applicable local standards.

Exact Constants & Authoritative Sources

Every conversion on this page uses the fixed, internationally agreed constants below — drawn from NIST and the SI Brochure. No values are estimated or rounded as if exact. See the full list on our Sources & Standards page.

  • EXACT1 inch (in) = 25.4 millimetres (exact)
  • EXACT1 foot (ft) = 0.3048 metres (exact, 12 in)
  • EXACT1 yard (yd) = 0.9144 metres (exact, 3 ft)
  • EXACT1 mile (mi) = 1609.344 metres (exact, 5280 ft)
  • EXACT1 centimetre (cm) = 0.01 metre (definition)

Common Pitfalls & How to Avoid Them

US survey foot is deprecated

The old US survey foot (0.304800609601 m) was retired in 2023 in favor of the international foot (0.3048 m). Modern conversions use the international foot; mixing them drifts over long distances.

Inches vs. centimetres for screens

Display and wheel sizes are often rounded to the nearest convenient number; a "27-inch" monitor is nominal, not a precise 68.58 cm panel.

A unit-conversion reference site has no manufacturer-specific or device calibration parameters, so "layered tuning" does not apply here. The only real error-handling is input validation: the converter rejects non-numeric, empty, or out-of-range entries and shows a clear message, then falls back to exact constants above. No estimated or rounded figures are ever presented as exact.

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Last Updated 2026 | This article was reviewed for accuracy