Button Spacing for Shirts to Prevent Gaping

Oct 20, 2026 Audrey Wiryawan
Button Spacing for Shirts to Prevent Gaping
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Button Spacing for Shirts to Prevent Gaping

A neat shirt is not only about the pattern and stitching. Button spacing also affects how the shirt sits on the body.

If the buttons are placed too far apart, the front of the shirt may open between buttons. This often happens around the bust, stomach, or areas with more tension.

Safe Button Spacing for Shirts

For shirts, button spacing is commonly around 6–8 cm between buttons.

This range works for many shirts, blouses, and light outerwear. However, it should still be adjusted based on the placket length, button size, fabric type, and body shape.

For fitted women’s shirts or blouses, the spacing may need to be closer around the bust area.

Pay Attention to the Bust Area

The bust area is the most common place for shirt gaping.

To reduce this problem, one button should be placed near the fullest part of the bust or the area that receives the most tension. Threads notes that spacing buttons around 2.5 inches apart can help prevent gaping.

If the fullest bust point falls exactly between two buttons, the shirt is more likely to open.

Do Not Mark from the Collar Only

A common mistake is marking all buttons from the top down without checking the bust position.

For a better result, mark the important points first: neckline, bust area, waist, and lower hem. After that, divide the remaining button spacing evenly.

This helps the shirt look balanced while still preventing gaping.

Test Before Sewing Buttonholes

Before sewing permanent buttonholes, test the button placement.

Pin or baste the shirt front first, then check whether the fabric pulls or opens between buttons. If the bust area still gapes, add a button or reduce the spacing.

Buttonholes should be made after the placement is checked because cut buttonholes are difficult to undo.

Conclusion

Safe shirt button spacing is usually around 6–8 cm, but the bust area needs extra attention.

To prevent gaping, place one button at or near the fullest bust area, then balance the remaining buttons. Also consider button size, fabric type, body shape, and placket length.


Looking for shirt buttons and sewing supplies?

Istana Kancing provides shirt buttons, threads, needles, scissors, measuring tapes, tailor’s chalk, zippers, lining, interfacing, bias tape, lace, ribbons, beads, sequins, and garment accessories for tailors, fashion brands, garment makers, and wholesale orders.
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