Card and Envelope
Size & Measurement Guide
Use this guide when you need to find a quick reference for making your own cards or envelopes.
All sizes below are shown as the standard sizes for each card type. You can learn how to make
your own cards and envelopes plus how to line your envelopes to make them even more special.
Click the pink links below to open the tutorial posts.
Made just for you by
How to Make Your Own Cards & Envelopes
Crafty Julie
DIY Envelope Liners Tutorial
Card Measurements
Card Size
Starting Paper Center Score
A2 (4.25 x 5.5 in)
8.5 x 5.5 inches
4-1/4 inches
A6 (4.5 x 6.25 in)
9 x 6.25 inches
4-1/2 inches
A7 (5 x 7 in)
10 x 7 inches
5 inches
A9 (5.5 x 8.5 in)
11 x 8.5 inches
5-1/2 inches
Square (6 x 6 in)
12 x 6 inches
6 inches
Envelope Measurements
Card Size
Base Size
A Lines
B Lines
A2 (4.25 x 5.5 in)
8.5 x 8.5 inches
3 inches
3-5/8 inches
A6 (4.5 x 6.25 in)
9 x 9 inches
3 inches
3-3/4 inches
A7 (5 x 7 in)
10 x 10 inches
3-1/4 inches
4-1/4 inches
A9 (5.5 x 8.5 in)
12 x 12 inches
3-7/8 inches
5-1/2 inches
Square (6 x 6 in)
10-3/4 x 10-3/4 in.
2-7/8 inches
5-1/2 inches
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