Step 1. Find your usual US size.
Step 2. Compare your usual US size to your desired Converse sneaker style.

Find Your Shoe Size Chuck Taylor All Star / Chuck 70 All Star Pro BB / BB Evo All Other Styles*
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US Size Runs a half size large Runs a half size small Fit may vary. See product page. Foot Length (in)
3.5 3 4 3.5 8 1/2"
4 3.5 4.5 4 8 5/8"
4.5 4 5 4.5 8 5/6"
5 4.5 5.5 5 9"
5.5 5 6 5.5 9 1/7"
6 5.5 6.5 6 9 2/7"
6.5 6 7 6.5 9 1/2"
7 6.5 7.5 7 9 2/3"
7.5 7 8 7.5 9 4/5"
8 7.5 8.5 8 10"
8.5 8 9 8.5 10 1/6"
9 8.5 9.5 9 10 1/3"
9.5 9 10 9.5 10 1/2"
10 9.5 10.5 10 10 5/8"
10.5 10 11 10.5 10 4/5"
11 10.5 11.5 11 11"
11.5 11 12 11.5 11 1/7"
12 11.5 12.5 12 11 2/7"
12.5 12 13 12.5 11 2/3"
13 12.5 13.5 13 12"
13.5 13 14 13 12 2/7"
14 13.5 14.5 14 12 3/5"