If you’ve ever needed to pin down exactly how tall “5 foot 11” is in centimeters, you’re not alone — it keeps coming up at doctor’s offices, airport measurements, and international forms. The good news is it’s a clean, fixed number: 180.34 centimeters. This guide walks through the conversion formula, the quick mental math shortcut, and how that height stacks up in real-world context.
5’11” exact equivalent: 180.34 cm · 1 foot: 30.48 cm · 1 inch: 2.54 cm · 5 feet alone: 152.4 cm · 11 inches alone: 27.94 cm
Quick snapshot
- 5’11” equals 180.34 cm — a value confirmed across nine independent conversion tools (Inch Calculator)
- Formula: (5 × 30.48) + (11 × 2.54) = 180.34 cm (RapidTables)
- 5’11” is 71 total inches (The Calculator Site)
- Whether “tall” thresholds vary by specific context (profession, sport, or dating norms)
- Cultural perception of 180.34 cm shifts by country and demographic group
- The international inch standard of exactly 2.54 cm was established in 1959 (RapidTables)
- NHS height conversion charts published as recently as March 2023 confirm 180.34 cm (UHSussex NHS)
- Bookmark the formula for any future imperial-to-metric conversions
- Use the nearby-height table to cross-reference common heights like 178 cm and 182 cm
How much is 5’11 in cm?
5 feet 11 inches converts to exactly 180.34 centimeters. This value appears consistently across every major conversion calculator — from Inch Calculator to the UHSussex NHS height chart, which confirms the figure in a medical context. The conversion is precise to two decimal places and uses the internationally standardized factor of 2.54 cm per inch.
Step-by-step calculation
The conversion follows a straightforward three-step process:
- Step 1: Convert feet to inches — multiply 5 feet by 12 inches per foot: 5 × 12 = 60 inches (Inch Calculator)
- Step 2: Add the remaining inches — 60 inches + 11 inches = 71 total inches
- Step 3: Multiply by the inch-to-centimeter factor — 71 × 2.54 = 180.34 cm (RapidTables)
The single-formula version combines both steps: (feet × 30.48) + (inches × 2.54). Plugging in 5 feet and 11 inches: (5 × 30.48) + (11 × 2.54) = 152.4 + 27.94 = 180.34 cm.
Using online converters
Online height converters handle the math automatically. Enter “5 ft 11 in” and the tool returns 180.34 cm instantly. CalculateMe also displays the result as 5.917 decimal feet, useful if you’re working across different imperial formats.
Is 180 cm 5’11?
Exact match confirmation
Not quite — 180 cm converts to approximately 5 feet 10.9 inches, which is slightly under 5’11”. The difference is 0.34 cm, essentially one-third of a centimeter (Inch Calculator). For most practical purposes, rounding 180.34 cm down to 180 cm and calling it “5’11” works fine — the gap is imperceptible in everyday situations.
Rounding differences
Most conversion tools display two decimal places (180.34 cm) to maintain precision. A few round to the nearest whole centimeter, showing 180 cm instead. Both are technically correct, though the two-decimal version matches the official standardized calculation.
If you’re filling out a form that asks for height in centimeters, write 180.34 — not 180 — to ensure exact accuracy. A 0.34 cm difference sounds negligible, but it matters on medical forms and international documents.
Is 5’11 tall for a man?
Compared to US averages
At 5’11” (180.34 cm), you’re above average for US men. The average American male height is approximately 5’9″ (175.3 cm), according to RapidTables height data. That puts 5’11” roughly 2 inches above the median — solidly in the “tall” range by US standards.
Global height context
Height perception shifts dramatically by country. In the Netherlands, where average male height approaches 6 feet, 5’11” sits closer to average. In many Southeast Asian and South Asian countries, the same height would be considered quite tall. The GigaCalculator height comparison tool puts 5’11” at 180.34 cm alongside a visual chart showing how it stacks against heights like 5’3″ (160 cm) and 5’2″ (157.48 cm) to illustrate the contrast.
For women, 5’11” is notably tall in virtually every country. The average female height in the US hovers around 5’4″ (162.6 cm), making 5’11” a full 7 inches above the median.
Whether 5’11” feels “tall” depends entirely on context. In professional settings like modeling or basketball, it’s unremarkable. In everyday social situations, it stands above the mean in most Western countries.
Is 178 cm 5’10 or 5’11?
Precise conversion
178 cm converts to 5 feet 10.08 inches — not quite 5’10” and definitely not 5’11”. The height sits squarely between those two marks. According to The Calculator Site, 5’10” equals 177.8 cm, which means 178 cm is just 0.2 cm above 5’10”.
Height chart reference
Here’s how 178 cm fits into the nearest standard heights:
| Centimeters | Feet & Inches | Decimal Feet |
|---|---|---|
| 177.8 cm | 5’10” | 5.833 ft |
| 178 cm | 5’10.08″ | 5.839 ft |
| 180.34 cm | 5’11” | 5.917 ft |
| 182.88 cm | 6’0″ | 6.000 ft |
If you’re filling out a form and 178 cm is your height, you could write “approximately 5’10″” — most conversion tools round to the nearest whole inch for simplicity.
178 cm is closer to 5’10” than to 5’11”, with just 0.2 cm separating it from the lower mark. In practical terms, it’s effectively 5’10” for most purposes.
Feet to CM Conversion Formula, Facts, Examples
Basic formula
The universal formula for converting any feet-and-inches measurement to centimeters is:
Total cm = (feet × 30.48) + (inches × 2.54)
This works because 1 foot = 30.48 cm exactly, and 1 inch = 2.54 cm exactly — both defined by the international standard since 1959 (RapidTables). No rounding, no approximation — these are fixed values.
Common examples like 170 cm
To convert 170 cm to feet and inches: divide by 30.48 to get approximately 5.577 feet, then separate the whole feet (5) and multiply the decimal (0.577) by 12 to get roughly 6.9 inches. The result: approximately 5’7″ (SplashLearn), which aligns with the 5’7″ ≈ 170.18 cm value you see in height charts.
- 5’7″ = 170.18 cm
- 5’8″ = 172.72 cm
- 5’9″ = 175.26 cm
- 5’10” = 177.8 cm
- 5’11” = 180.34 cm
- 6’0″ = 182.88 cm
The pattern is consistent: each 1-inch difference equals exactly 2.54 cm. Sengpiel Audio confirms this relationship in their body length calculator table, which lists heights from 5’0″ through 6’6″ using the same 2.54 cm/inch factor.
Height Comparisons: Where 5’11” Stands
The gap between 5’11” and nearby heights is small but sometimes significant:
| Comparison | Difference | Visual Context |
|---|---|---|
| 5’11” vs 5’10” | 2.54 cm (1 inch) | A single finger-width difference |
| 5’11” vs 6’0″ | 2.54 cm (1 inch) | A single finger-width difference |
| 5’11” vs 180 cm | 0.34 cm | Nearly identical |
| 5’11” vs 178 cm | 2.34 cm | Quarter-inch gap |
| 5’2″ vs 5’11” | 22.86 cm (9 inches) | A full head shorter |
The height comparison tool at GigaCalculator lets you input any two heights and see the visual difference. For instance, comparing a 5’2″ person to a 5’11” person shows a 9-inch (22.86 cm) gap — roughly the length of an adult’s forearm.
If you’re comparing heights across different measurement systems, remember that 5’11” and 180 cm are not interchangeable. The 0.34 cm difference sounds trivial but accumulates if you’re converting multiple measurements or working in fields requiring precision — medicine, tailoring, or engineering, for example.
Anyone needing exact conversions for professional or medical documents should use 180.34 cm rather than rounded figures — precision compounds when working with multiple measurements.
Related reading: 30 Inches in CM – Exact Conversion and Key Uses
math.answers.com, heightcomparison.com, mrinitialman.com, youtube.com
The 5.11 feet in cm guide usefully distinguishes this 180.34 cm height from literal 5.11 feet, addressing a frequent conversion pitfall.
Frequently asked questions
How do you convert feet and inches to cm?
Multiply feet by 30.48 and inches by 2.54, then add the results. For example: 5’11” = (5 × 30.48) + (11 × 2.54) = 152.4 + 27.94 = 180.34 cm. This formula works for any feet-and-inches combination.
What is 6 feet in cm?
6 feet equals 182.88 cm. The calculation is straightforward: 6 × 30.48 = 182.88 cm. This is 2.54 cm more than 5’11”, reflecting the standard 1-inch increment.
Is 170 cm considered tall?
170 cm (5’7″) is slightly above average for women globally and slightly below average for men in Western countries. In the US, it’s around the median for women and below median for men.
What is 5’10” in cm?
5’10” equals 177.8 cm. The calculation: (5 × 30.48) + (10 × 2.54) = 152.4 + 25.4 = 177.8 cm. It’s 2.54 cm shorter than 5’11”.
How accurate are height converters?
Most reliable converters display values accurate to two decimal places. The inch-to-centimeter factor (2.54) is defined by international standard, so any tool using it correctly will produce identical results. Nine independent tools confirm 180.34 cm for 5’11”.
What is average height by country?
Average male height varies widely: approximately 175.3 cm in the US, 181.7 cm in the Netherlands, 171 cm in Japan, and 166.5 cm in India. 5’11” (180.34 cm) is above average in most countries but near average in the Netherlands.
Is 5’11” tall for a woman?
Yes — 5’11” is well above average for women in virtually every country. The global average female height ranges from about 155 cm to 162 cm depending on region, making 5’11” roughly 18-26 cm above the median.
For anyone working with international forms, medical records, or simply curious about metric equivalents, the formula (feet × 30.48) + (inches × 2.54) provides the exact answer every time. Bookmark this one — it’ll come up again.
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Helen Carter covers the economy, business and consumer affairs for Insight Britain.