What size is Nike US 10 in New Balance?

About New Balance US 10 (EU 44), matched by ~27.1 cm. Then adjust for the specific model.

Is a Nike 10 the same as a New Balance 10?

Not always. Labels can map to different foot lengths — use cm, then model fit.

Brand-to-brand size at a fixed US label — matched by foot length (cm), not guesswork.

Nike US 10 maps to about 27.1 cm on that brand’s chart. The nearest New Balance row at that length is US 10 / EU 44.

Same chart cm can still feel different on foot. Read the guides:

Nike: Air Force 1 '07 (runs big) · Dunk Low (true to size) · Pegasus 41 (true to size) · Vomero 5 (true to size) · Air Max 90 (true to size)

New Balance: 550 (runs narrow) · 990v6 (runs big) · 9060 (true to size) · 574 (true to size) · 2002R (true to size)

What size is Nike US 10 in New Balance?: About New Balance US 10 (EU 44), via ~27.1 cm.
Where is the full size table?: Nike to New Balance compare.