Mat Board Calculator
Measure · Cut · Frame
⊞ Batch Mode
⎘ Copy
↓ CSV
↓ PDF
⎙ Print
Units
Inches
cm
mm
Rounding
No rounding
Nearest 1/16"
Nearest 1/8"
Nearest 1/4"
Rounding may slightly change final fit.
Artwork Size
?
Preset
— Custom —
4 × 6 photo
5 × 7 photo
8 × 10 photo
8.5 × 11 letter
9 × 12
11 × 14
12 × 18
16 × 20
18 × 24
Width
Height
Border Mode
?
Equal
Custom
Weighted Bottom
Build from Art
Fit to Frame
Mat / Frame Preset
— Custom —
8 × 10
11 × 14
12 × 16
16 × 20
18 × 24
20 × 24
22 × 28
24 × 36
Mat Width
Mat Height
Enter border sizes — mat size is calculated.
Top Border
Bottom Border
Left Border
Right Border
Mat / Frame Preset
— Custom —
8 × 10
11 × 14
12 × 16
16 × 20
18 × 24
20 × 24
Mat Width
Mat Height
Bottom Weight
?
+1/4" (subtle)
+1/2" (standard)
+1" (bold)
Set borders → mat size is calculated.
Top Border
Bottom Border
Left Border
Right Border
Frame size → borders are calculated.
Frame Preset
— Custom —
8 × 10
11 × 14
12 × 16
16 × 20
18 × 24
20 × 24
Frame Width
Frame Height
Window Overlap
?
Overlap per side
1/16" (minimal)
1/8" (standard)
3/16"
1/4" (generous)
Custom...
Custom overlap (per side)
Options
Show backing board size
Show frame size
Project / Student Name
Live Preview
Labels
Artwork
Cut lines
Display
Fractions
Decimal
Both
Measurements
Outside Mat
—
Window Opening
—
Artwork
—
Overlap
—
Borders
Top
—
Bottom
—
Left
—
Right
—
Additional
Cutting Guide
Enter artwork and mat sizes to generate cutting steps.
Warnings
✓ Enter values above to calculate.
Class Batch Calculator
for teachers
+ Add Row
↑ Import CSV
↓ Export CSV
⎙ Print List
✕ Close
Student / Name
Art W
Art H
Mat W
Mat H
Overlap
Mode
Window W
Window H
Left
Right
Top
Bottom
Warnings
Mat Board Calculator
Cutting Sheet
Measurements
Borders
Cutting Steps
Notes