Standard Trumpet Sizes

 Piccolo(*)
Model No.

Outside
Cup dia.
Inside
Cup dia.
Cup
Depth
Drill
Venturi
Length
Rim
Comparison
Only

7PB

1.062 in.
26.97 mm

0.659 in.
16.74 mm

0.424 in.
10.77 mm

0.140 in.
3.56 mm

3.450 in.
87.63 mm

Medium
Round

Bach
7E /10 1/2E

7PD/7E

1.062 in.
26.97 mm

0.659 in.
16.74 mm

0.424 in.
10.77 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Bach
7E /10 1/2E

Trumpet
Model No.
Outside
Cup dia.
Inside
Cup dia.
Cup
Depth
Drill
Venturi
Length
Rim
Comparison
Only

0

1.081 in.
27.46 mm

0.698 in.
17.73 mm

0.515 in.
13.08mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Bach 5B
expanded rim

1/5B

1.070 in.
27.18 mm

0.683 in.
17.35 mm

0.515 in.
13.08 mm

0.144 in.
3.66 mm

3.450 in
87.63 mm

Medium
Round

Bach
5B

2/7B

1.070 in.
27.18 mm

0.680 in.
17.27 mm

0.496 in.
12.60 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Bach
7B

3/5C

1.070 in.
27.18 mm

0.677 in.
17.20 mm

0.489 in.
12.42 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Bach
5C

4/7C

1.070 in.
27.18 mm

0.677 in.
17.20 mm

0.477 in.
12.12 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Bach
7C

5

1.070 in.
27.18 mm

0.663 in.
16.84 mm

0.475 in.
12.07 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Bach
5C

6 / 10.5C

1.062 in.
26.97 mm

0.663 in.
16.84 mm

0.464 in.
11.97 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Bach
101/2C

7

1.062 in.
26.97 mm

0.663 in.
16.84 mm

0.453 in.
11.51 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Smaller than
Bach 10 1/2 C

8

1.062 in.
26.97 mm

0.663 in.
16.84 mm

0.450 in.
11.43 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Smaller than
Bach 10 1/2 C

9

1.062 in.
26.97 mm

0.663 in.
16.84 mm

0.441 in
11.20 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Smaller than
Bach 10 1/2 C

10

1.062 in.
26.97 mm

0.663 in
16.84 mm

0.440 in.
11.18 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Smaller than
Bach 10 1/2 C

11

1.062 in.
26.97 mm

0.642 in.
16.31 mm

0.439 in.
11.15 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Bach 7E
or 13A4A

12

1.062 in.
26.97 mm

0.642 in.
16.31 mm

0.437 in.
11.10 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Bach 7E
or 13A4A

13

1.062 in.
26.97 mm

0.642 in.
16.31 mm

0.435 in.
11.05 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Bach 7E
or 13A4A

14

1.062 in.
26.97 mm

0.642 in.
16.31 mm

0.433 in.
11.00 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Bach 7E
or 13A4A

15

1.062 in.
26.97 mm

0.642 in.
16.31 mm

0.430 in.
10.92 mm

0.144 in.
3.66 mm

3.450 in.
87.63 mm

Medium
Round

Bach 7E
or 13A4A