Bias Yardage Formula:
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The bias yardage calculation determines how much fabric you need to create bias binding for your sewing projects. Bias binding is fabric cut on the bias (45-degree angle to the selvage) which gives it stretch and flexibility.
The calculator uses the bias yardage formula:
Where:
Explanation: The formula calculates how many yards of fabric you need to cut to get the required length of bias strips at your desired width.
Details: Accurate bias yardage calculation helps in purchasing the right amount of fabric and minimizing waste. It's essential for projects like quilt binding, garment finishing, and decorative edges.
Tips:
Q1: Why use bias binding instead of straight grain?
A: Bias binding stretches and curves better around corners and curved edges, and is more durable.
Q2: How do I determine the width to enter?
A: The width is how wide you want to cut your bias strips before folding. Typically 2-4 times the finished width you want.
Q3: Should I add extra length to my calculation?
A: Yes, add 10-20% extra length for seams, corners, and overlap at the joining point.
Q4: Can I use this for continuous bias binding?
A: Yes, the calculation works the same way, but you'll need to mark and cut your fabric differently.
Q5: How much fabric should I buy?
A: Round up to the nearest 1/8 or 1/4 yard to ensure you have enough fabric for cutting and possible mistakes.