Height Comparator
Compare two heights side by side, drawn to scale.
Person A
Person B
Dashed lines show average US adult heights: men 5 ft 9 in, women 5 ft 4 in.
How to Use the Height Comparator
- Enter each person’s name, then their height in feet and inches.
- See both heights drawn side by side as bars, perfectly to scale.
- Read the exact difference in inches and centimeters, plus each height in cm.
- Dashed reference lines show average US adult heights (men 5’9″, women 5’4″) for context.
Why Comparing Heights in Numbers Fails
“5’9″ vs 5’4″” is just numbers until you see the bars. Five inches sounds small, but drawn to scale it is a clearly visible gap, about the length of a dollar bill. That is why side-by-side visuals beat numbers: your brain judges relative size instantly from a picture and slowly from digits.
Average Heights Reference
| Group | Average height |
|---|---|
| US adult men | 5 ft 9 in (175 cm) |
| US adult women | 5 ft 4 in (163 cm) |
| 10-year-old boy | ~4 ft 7 in (140 cm) |
| NBA player (avg) | ~6 ft 6 in (198 cm) |
| Doorway (standard) | 6 ft 8 in (203 cm) |
Frequently Asked Questions
Q: How do you convert feet and inches to cm? A: Multiply total inches by 2.54. So 5’9″ is 69 inches x 2.54 = 175 cm.
Q: What is the average height difference between men and women? A: In the US, about 5 inches: men average 5’9″ and women 5’4″.
Q: How many inches is 6 feet? A: 72 inches, or about 183 cm.
Q: Is 5’9″ tall for a man? A: It is exactly the US average for adult men, so it is perfectly average.
Q: How tall is a doorway? A: A standard interior doorway is 6 ft 8 in (80 inches) tall.