How Big Is a 20mm Button? Size, Comparison, and Usage Explained

Learn how big a 20mm button is, its common uses, and how to choose the right buttonhole size for perfect clothing fit.

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A 20mm button is approximately 0.79 inches in diameter. This size is commonly used for clothing, especially for shirts and blouses. To visualize it, think of a U.S. nickel, which is very close in size at about 21mm. For the best fit, choose buttonholes slightly larger than the button itself.

FAQs & Answers

  1. What clothing items commonly use 20mm buttons? 20mm buttons are commonly used on clothing items such as shirts and blouses due to their moderate size fitting well with standard buttonholes.
  2. How do I measure the size of a button? Button size is measured by the diameter across the widest part, typically in millimeters or inches.
  3. What size buttonhole should I make for a 20mm button? Buttonholes should be slightly larger than the button's diameter, so for a 20mm button, a buttonhole around 21-22mm ensures an easy and secure fit.
  4. How does a 20mm button size compare to a U.S. nickel? A 20mm button is very close in size to a U.S. nickel, which measures about 21mm in diameter.

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For more insights on button sizes and sewing tips, explore our related content on common button measurements, choosing the right buttons for your garments, and how to properly sew buttons for durability and style.

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