Sizes for Corner and Side Triangles
This chart gives you the measurements for corner and side triangles for the most commonly used quilt-block sizes.
Finished Block Size |
Cut Size of Square for Corner Triangles |
Cut Size of Square for Side Triangles |
2" |
2 3/8" |
4 1/4" |
3" |
3" |
5 1/2" |
4" |
3 3/4" |
7" |
5" |
4 1/2" |
8 3/8" |
6" |
5 1/8" |
9 3/4" |
7" |
5 7/8" |
11 1/4" |
8" |
6 5/8" |
12 5/8" |
9" |
7 1/4" |
14" |
10" |
8" |
15 1/2" |
12" |
9 3/8" |
18 1/8" |
14" |
10 7/8" |
21 1/8" |
16" |
12 1/4" |
23 7/8" |
18" |
13 5/8" |
26 3/4" |
20" |
15 1/8" |
29 5/8" |
24" |
17 7/8" |
35 1/3" |
Cutting tip: It is easier to cut fabric smaller than make it bigger, so cut squares for corner and side triangles " - 1" larger and trim them down once your top is pieced.