Height comparison
Simone Biles vs Serena Williams Height Comparison
Serena Williams is 12.9 inches (32.8 cm) taller than Simone Biles — about 23.1% taller.
- Simone Biles
- 142.2 cm
- Serena Williams
- 175 cm
- Difference
- 12.9 inches
- Percentage difference
- 23.1%
See it on the chart
The chart is preloaded with these heights. Rename them, add more people or switch units — it is the full comparison tool.
Simone Biles vs Serena Williams in numbers
| Name | Feet / inches | Centimeters | Total inches |
|---|---|---|---|
| Simone Biles | 4'8" | 142.2 cm | 56 |
| Serena Williams | 5'9" | 175 cm | 68.9 |
| Difference | 32.8 cm | 12.9 |
Ratio: 1.231 · Percentage difference: 23.1%
Simone Biles and Serena Williams in other units
| Unit | Simone Biles | Serena Williams |
|---|---|---|
| Centimeters | 142.2 | 175 |
| Meters | 1.422 | 1.75 |
| Millimeters | 1,422 | 1,750 |
| Total inches | 55.98 | 68.9 |
| Feet (decimal) | 4.665 | 5.741 |
What does a height difference of 12.9 inches look like?
A difference of 12.9 inches is large. The shorter person's eye line is roughly level with the taller person's shoulders, and the gap stays visible even across a room.
In everyday terms, 32.8 cm is about the length of the long side of an A4 sheet (29.7 cm).
Shoes change what you see. If only one person wears shoes that add about 2.5 cm, the visible gap becomes roughly 30.3 cm or 35.3 cm, depending on who is wearing them.
Where these heights come from
- Simone Biles — Listed as 4'8" by Team USA athlete profile. (official listing) View the source
- Serena Williams — Listed as 5' 9" (1.75 m) by WTA player profile. (official listing) View the source
This is the height in an official roster or profile. Leagues and clubs measure their players, but listings are rarely updated after the first season and some were historically taken in shoes, so the figure can be a centimeter or two off.
How Simone Biles and Serena Williams rank among adults
Simone Biles is taller than about 1% of adult men and 1% of adult women in the US.
Serena Williams is taller than about 48% of adult men and 97% of adult women in the US.
Going from Simone Biles to Serena Williams moves you past roughly 47% of men and 96% of women — that is how much ground a 32.8 cm gap covers in the middle of the population.
Percentiles are estimated from the CDC averages, assuming heights follow a normal distribution with a standard deviation of about 7.6 cm for men and 7.1 cm for women. Real distributions differ slightly at the extremes.
Compared with average heights
- Simone Biles is 33.1 cm shorter than the average US man (175.3 cm).
- Simone Biles is 19.1 cm shorter than the average US woman (161.3 cm).
- Serena Williams is about the same as the average US man (175.3 cm).
- Serena Williams is 13.7 cm taller than the average US woman (161.3 cm).
Averages: CDC anthropometric reference data for US adults, 2015–2018.
Frequently asked questions
Who is taller, Simone Biles or Serena Williams?
Serena Williams is taller: 5'9" (175 cm) against 4'8" (142.2 cm), a difference of 32.8 cm.
How much taller is Serena Williams than Simone Biles?
Serena Williams is 12.9 inches (32.8 cm) taller than Simone Biles. The taller height is 23.1% greater, so on a chart drawn to scale it stands 1.231 times as tall.
How tall is Simone Biles in centimeters?
Simone Biles is 142.2 cm, or 56 inches in total.
How tall is Serena Williams in centimeters?
Serena Williams is 175 cm, or 68.9 inches in total.
Is a height difference of 12.9 inches noticeable?
A difference of 12.9 inches is large. The shorter person's eye line is roughly level with the taller person's shoulders, and the gap stays visible even across a room.
What percentage of adults are shorter than Simone Biles?
Simone Biles is taller than about 1% of adult men and 1% of adult women in the US.
What percentage of adults are shorter than Serena Williams?
Serena Williams is taller than about 48% of adult men and 97% of adult women in the US.