underwire sizing

 

 

wire dimensions

size tip to tip width depth
32 7 1/2" 4 5/8" 3"
34 8 1/4" 4 7/8" 3"
36 8 7/8" 5 1/4" 3 1/4"
38 9 5/8" 5 1/2" 3 3/4"
40 10 1/4" 5 3/4" 4"
42 10 7/8" 6 1/4" 4 1/4"
44 (12) 11" 6 1/8" 4 1/4"
46 (14) 11 1/2" 6 1/4" 4 1/2"
48 (16) 12 1/8" 6 5/8" 4 3/4"
50 (18) 12 3/4" 7" 5"
52 (20) 13 1/2" 7 1/4" 5 1/4"
54 (22) 14" 7 1/2" 5 1/2"
56 (24) 14 3/4" 7 3/4" 6"
58 (26) 15 5/8" 7 7/8" 6 1/4"
60 (28) 16 1/4" 8 1/4" 6 1/2"
62 (30) 16 3/4" 8 1/2" 6 3/4"
64 (32) 17 1/2" 8 3/4" 7"

 

In general, cup sizes B or small do not need underwires.
regular weight firm weight
32 - yellow tip 44 (12) - emerald tip
34 - red tip 46 (14) - fuchsia tip
36 - blue tip 48 (16) - gold tip
38 - green tip 50 (18) - maroon tip
40 - fuchsia tip 52 (20) - lime tip
42 - gold tip 54 (22) - purple tip
56 (24) - navy tip
58 (26) - plum tip
60 (28) - yellow tip
62 (30) - multicolored tip
64 (32) - royal blue tip
 

know your size?

*NOTE: this chart is based on the patterns sold on this site and wire size will vary depending on the style of the bra and any alterations that are made to the center front and underarm height.

 bra sizes wire size
30 C-D-DD
32 C-D-DD-E
34 B
34
32 F-G
34 C-D-DD-E
36 B
36
32 H
34 F-G
36 C-D-DD-E
38
34 H
36 F
38 C-D-DD-E
40
36 G-H
40 B-C-D
42 B-C
42
38 F
40 DD-E
42 D
44
38 G-H
40 F
42 DD-E
44 B-C-D
46
40 G-H
42 F-G
44 DD-E
46 D
48
42 H
44 F-G
46 E-F
48 D
50
44 H
46 G
48E
52
46 H
48 F
54
48 G-H 56