New Balance vs Nike sizing
A New Balance men’s US 9 is made for a foot up to 27.0 cm; a Nike US 9, up to 26.2 cm, 8 mm shorter.
By their charts, New Balance runs larger: its men’s sizes are made for feet about 8 mm longer than Nike’s (the gap grows from 3 mm at US 6 to 13 mm at US 12.5); for the same foot they never give the same men’s size, and New Balance’s is up to 1½ sizes lower.
Men’s: the same foot in New Balance and Nike
They differ most for a 28.0 cm foot: New Balance gives US 10, Nike US 11.5, 1.5 sizes apart.
| Foot length | New Balance | Nike |
|---|---|---|
| 24.0 cm 9.45 in | US 6 | US 6.5 |
| 24.5 cm 9.65 in | US 6.5 | US 7 |
| 25.0 cm 9.84 in | US 7 | US 7.5 |
| 25.5 cm 10.04 in | US 7.5 | US 8.5 |
| 26.0 cm 10.24 in | US 8 | US 9 |
| 26.5 cm 10.43 in | US 8.5 | US 9.5 |
| 27.0 cm 10.63 in | US 9 | US 10 |
| 27.5 cm 10.83 in | US 9.5 | US 10.5 |
| 28.0 cm 11.02 in | US 10 | US 11.5 |
| 28.5 cm 11.22 in | US 10.5 | US 12 |
| 29.0 cm 11.42 in | US 11 | US 12.5 |
| 29.5 cm 11.61 in | US 11.5 | US 13 |
| 30.0 cm 11.81 in | US 12 | US 13.5 |
The foot each men’s US size is made for
| US | New Balance | Nike | Nike − New Balance |
|---|---|---|---|
| 3.5 | 21.5 cm | 21.6 cm | +1.0 mm |
| 4 | 22.0 cm | 22.0 cm | 0 mm |
| 4.5 | 22.5 cm | 22.4 cm | −1.0 mm |
| 5 | 23.0 cm | 22.9 cm | −1.0 mm |
| 5.5 | 23.5 cm | 23.3 cm | −2.0 mm |
| 6 | 24.0 cm | 23.7 cm | −3.0 mm |
| 6.5 | 24.5 cm | 24.1 cm | −4.0 mm |
| 7 | 25.0 cm | 24.5 cm | −5.0 mm |
| 7.5 | 25.5 cm | 25.0 cm | −5.0 mm |
| 8 | 26.0 cm | 25.4 cm | −6.0 mm |
| 8.5 | 26.5 cm | 25.8 cm | −7.0 mm |
| 9 | 27.0 cm | 26.2 cm | −8.0 mm |
| 9.5 | 27.5 cm | 26.7 cm | −8.0 mm |
| 10 | 28.0 cm | 27.1 cm | −9.0 mm |
| 10.5 | 28.5 cm | 27.5 cm | −10.0 mm |
| 11 | 29.0 cm | 27.9 cm | −11.0 mm |
| 11.5 | 29.5 cm | 28.3 cm | −12.0 mm |
| 12 | 30.0 cm | 28.8 cm | −12.0 mm |
| 12.5 | 30.5 cm | 29.2 cm | −13.0 mm |
| 13 | 31.0 cm | 29.6 cm | −14.0 mm |
| 13.5 | 31.5 cm | 30.0 cm | −15.0 mm |
| 14 | 32.0 cm | 30.5 cm | −15.0 mm |
| 15 | 33.0 cm | 31.3 cm | −17.0 mm |
| 16 | 34.0 cm | 32.2 cm | −18.0 mm |
| 17 | 35.0 cm | 33.0 cm | −20.0 mm |
| 18 | 36.0 cm | 33.9 cm | −21.0 mm |
| 19 | 37.0 cm | 34.7 cm | −23.0 mm |
| 20 | 38.0 cm | 35.5 cm | −25.0 mm |
Each brand’s foot length for the size, from its own chart. Over the sizes for feet of 24.0–30.0 cm, New Balance’s are about 8 mm longer on average.
Women’s: the same foot in New Balance and Nike
By their charts, New Balance runs larger: its women’s sizes are made for feet about 4 mm longer than Nike’s; for the same foot they give the same women’s size once out of 12 (2 more sit within 1 mm of a size line), and New Balance’s is up to a size lower.
They differ most for a 25.5 cm foot: New Balance gives US 8.5, Nike US 9.5, a size apart.
| Foot length | New Balance | Nike |
|---|---|---|
| 22.0 cm 8.66 in | US 5 | US 5 |
| 22.5 cm 8.86 in | US 5.5 | US 6 |
| 23.0 cm 9.06 in | US 6 | US 6.5 |
| 23.5 cm 9.25 in | US 6.5 | US 7 |
| 24.0 cm 9.45 in | US 7 | US 7.5 |
| 24.5 cm 9.65 in | US 7.5 | US 8 |
| 25.0 cm 9.84 in | US 8 | US 8.5 |
| 25.5 cm 10.04 in | US 8.5 | US 9.5 |
| 26.0 cm 10.24 in | US 9 | US 10 |
| 26.5 cm 10.43 in | US 9.5 | US 10.5 |
| 27.0 cm 10.63 in | US 10 | US 11 |
| 27.5 cm 10.83 in | US 10.5 | US 11.5 |
The foot each women’s US size is made for
| US | New Balance | Nike | Nike − New Balance |
|---|---|---|---|
| 3.5 | 20.5 cm | 20.8 cm | +3.0 mm |
| 4 | 21.0 cm | 21.2 cm | +2.0 mm |
| 4.5 | 21.5 cm | 21.6 cm | +1.0 mm |
| 5 | 22.0 cm | 22.0 cm | 0 mm |
| 5.5 | 22.5 cm | 22.4 cm | −1.0 mm |
| 6 | 23.0 cm | 22.9 cm | −1.0 mm |
| 6.5 | 23.5 cm | 23.3 cm | −2.0 mm |
| 7 | 24.0 cm | 23.7 cm | −3.0 mm |
| 7.5 | 24.5 cm | 24.1 cm | −4.0 mm |
| 8 | 25.0 cm | 24.5 cm | −5.0 mm |
| 8.5 | 25.5 cm | 25.0 cm | −5.0 mm |
| 9 | 26.0 cm | 25.4 cm | −6.0 mm |
| 9.5 | 26.5 cm | 25.8 cm | −7.0 mm |
| 10 | 27.0 cm | 26.2 cm | −8.0 mm |
| 10.5 | 27.5 cm | 26.7 cm | −8.0 mm |
| 11 | 28.0 cm | 27.1 cm | −9.0 mm |
| 11.5 | 28.5 cm | 27.5 cm | −10.0 mm |
| 12 | 29.0 cm | 27.9 cm | −11.0 mm |
| 12.5 | 29.5 cm | 28.3 cm | −12.0 mm |
| 13 | 30.0 cm | 28.8 cm | −12.0 mm |
| 13.5 | 30.5 cm | 29.2 cm | −13.0 mm |
| 14 | 31.0 cm | 29.6 cm | −14.0 mm |
| 15 | 32.0 cm | 30.5 cm | −15.0 mm |
| 16 | 32.5 cm | 31.3 cm | −12.0 mm |
Each brand’s foot length for the size, from its own chart. Over the sizes for feet of 22.0–27.5 cm, New Balance’s are about 4 mm longer on average.
Kids’: the same foot in New Balance and Nike
By their charts, Nike runs larger: its kids’ sizes are made for feet about 6 mm longer than New Balance’s; for the same foot they give the same kids’ size 4 times out of 15.
They differ most for a 20.0 cm foot: New Balance gives US 2Y, Nike US 1Y, a size apart. K and T kids’ sizes are C sizes; plain kids’ numbers are C or Y by the chart’s order.
| Foot length | New Balance | Nike |
|---|---|---|
| 10.0 cm 3.94 in | US 2.5C | US 2C |
| 11.0 cm 4.33 in | US 4C | US 4C |
| 12.0 cm 4.72 in | US 5C | US 5C |
| 13.0 cm 5.12 in | US 6.5C | US 6C |
| 14.0 cm 5.51 in | US 7.5C | US 7C |
| 15.0 cm 5.91 in | US 8.5C | US 8C |
| 16.0 cm 6.30 in | US 10C | US 10C |
| 17.0 cm 6.69 in | US 11C | US 10.5C |
| 18.0 cm 7.09 in | US 12.5C | US 12C |
| 19.0 cm 7.48 in | US 13.5C | US 13C |
| 20.0 cm 7.87 in | US 2Y | US 1Y |
| 21.0 cm 8.27 in | US 3Y | US 2.5Y |
| 22.0 cm 8.66 in | US 4Y | US 3.5Y |
| 23.0 cm 9.06 in | US 5Y | US 5Y |
| 24.0 cm 9.45 in | US 6Y | US 6.5Y |
The foot each kids’ US size is made for
| US | New Balance | Nike | Nike − New Balance |
|---|---|---|---|
| 1C | 8.5 cm | 9.1 cm | +6.0 mm |
| 2C | 9.5 cm | 10.0 cm | +5.0 mm |
| 3C | 10.0 cm | 10.8 cm | +8.0 mm |
| 4C | 11.0 cm | 11.6 cm | +6.0 mm |
| 5C | 12.0 cm | 12.5 cm | +5.0 mm |
| 6C | 12.5 cm | 13.3 cm | +8.0 mm |
| 7C | 13.5 cm | 14.2 cm | +7.0 mm |
| 8C | 14.5 cm | 15.0 cm | +5.0 mm |
| 9C | 15.0 cm | 15.9 cm | +9.0 mm |
| 10C | 16.0 cm | 16.7 cm | +7.0 mm |
| 10.5C | 16.5 cm | 17.1 cm | +6.4 mm |
| 11C | 17.0 cm | 17.6 cm | +6.2 mm |
| 11.5C | 17.5 cm | 17.9 cm | +4.4 mm |
| 12C | 17.5 cm | 18.4 cm | +9.1 mm |
| 12.5C | 18.0 cm | 18.9 cm | +8.9 mm |
| 13C | 18.5 cm | 19.2 cm | +7.1 mm |
| 13.5C | 19.0 cm | 19.7 cm | +6.8 mm |
| 1Y | 19.0 cm | 20.1 cm | +11.0 mm |
| 1.5Y | 19.5 cm | 20.5 cm | +10.0 mm |
| 2Y | 20.0 cm | 20.9 cm | +9.0 mm |
| 2.5Y | 20.5 cm | 21.4 cm | +9.0 mm |
| 3Y | 21.0 cm | 21.8 cm | +8.0 mm |
| 3.5Y | 21.5 cm | 22.2 cm | +7.0 mm |
| 4Y | 22.0 cm | 22.4 cm | +4.0 mm |
| 4.5Y | 22.5 cm | 22.7 cm | +2.0 mm |
| 5Y | 23.0 cm | 23.2 cm | +2.0 mm |
| 5.5Y | 23.5 cm | 23.5 cm | 0 mm |
| 6Y | 24.0 cm | 23.8 cm | −2.0 mm |
| 6.5Y | 24.5 cm | 24.3 cm | −2.0 mm |
| 7Y | 25.0 cm | 24.6 cm | −4.0 mm |
Each brand’s foot length for the size, from its own chart. Over the sizes for feet of 10.0–24.0 cm, Nike’s are about 6 mm longer on average.
New Balance and Nike charts side by side
Nike makes men’s sizes up to US 22, New Balance up to 20; Nike’s women’s sizes go up to US 22.5, New Balance’s to 16.
| On the charts | New Balance | Nike |
|---|---|---|
| Men’s US sizes | 2.5–20 | 3.5–22 |
| Women’s US sizes | 3–16 | 3.5–22.5 |
| Men’s and women’s | separate charts | separate charts |
| Kids’ sizes | 0C–7Y | 1C–7Y |
| EU sizes | in halves (42.5) | in halves (42.5) |
| Sizes with a foot length | 95 of 95 | 142 of 153 |
Shoe charts only (not socks or boots), as each brand prints them; a unisex chart counts as men’s, with the women’s sizes it prints beside them.
Your size in both, and every other brand
Type your foot length: the result lists New Balance, Nike and every brand we have, each from its own chart.
From each brand’s own charts: New Balance, Nike (men’s), Nike (women’s), Nike (kids’); checked 2026-10-23. Each foot is sized as our calculator does: the first size whose foot length on the brand’s chart covers it, shown as the brand prints it (its own label where it prints no US size). This compares the brands’ charts by length only, not width or how a particular model fits. Not affiliated with either brand.