Buttonhole Spacing Calculator
Calculate even button and buttonhole placement from garment length, button count, and offsets.
Inputs
in
in
in
in
Results
Button Spacing
4.45 in
Buttonhole Length0.88 in
Min Overlap Width1.13 in
First Button Position0.75 in
Last Button Position23 in
Usable Length22.25 in
OrientationHorizontal at bust/waist; Vertical elsewhere
How to Use This Calculator
- Enter the total garment length where buttons will be placed.
- Input the number of buttons and button diameter (for buttonhole size calculation).
- Set top and bottom offsets from the garment edge to the first and last button.
- Review the Spacing Between Buttons and individual button positions.
- Transfer button placement marks to your pattern or fabric using the calculated positions.
How the result changes with Number of Buttons
| Number of Buttons | Button Spacing |
|---|---|
| 2.9 | 11.71 in |
| 7.65 | 3.35 in |
| 13 | 1.85 in |
| 18 | 1.31 in |
What each input means
- Garment Length
- Total length of the buttoned area
- Number of Buttons
- Total number of buttons
- Button Diameter
- Diameter of the button
- Top Offset
- Distance from top edge to first button
- Bottom Offset
- Distance from bottom edge to last button
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersGarment Length = 24, Number of Buttons = 6, Button Diameter = 0.75, Top Offset = 0.75 = 5 input(s) provided
- Calculate Button SpacingButton Spacing4.45 = 4.45
- Calculate Buttonhole LengthButtonhole Length0.88 = 0.88
- Calculate Min Overlap WidthMin Overlap Width1.13 = 1.13
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