How do you calculate bias tape?
Ava Robinson
Updated on August 01, 2026
How do you calculate bias tape?
Measure the edge(s) of your project that will be bound. For example, if you plan to sew bias binding around a quilt that measures 36″ x 36″, you can simply use a tape measure to measure each side. Or, in this case, you can simply multiply 36″ x 4, which equals 144″. You’ll need at least 144” of bias binding.
What size strips for bias tape maker?
Usually, strips should be twice as wide as the size of the finished tape. On these tape makers, you can see some numbers. I have ½ inch and 25 mm tape makers – that’s the width of the final strips.
How do you make continuous bias tape?
How to Make Continuous Bias Tape
- Cut the Square on the Diagonal.
- Stitch the Triangles Right Sides Together.
- Mark the Strips Parallel to the Longest Sides.
- Bring the Short Ends Together.
- Offset the Rows by 1 Strip.
- Stitch Seam and Press Open.
- Cut Continuous Bias Tape Strips.
- Press the Continuous Bias Tape.
How do you calculate yardage for binding?
How to calculate the yardage necessary for binding
- Determine the perimeter of the quilt by adding together two times the length and two times the width of the quilt.
- Divide the number of inches of required binding by 40.
- Multiply the number of strips (7) by the width of the strip (2½”) and you need 17½” of fabric.
How do you make Jersey bias tape?
- Step 1: Measure neckline and cut out knit “bias strip” Array.
- Step 2: Attach the knit strip to the inside (wrong side) of the neck hole with a 1/4″ seam. Array.
- Step 3: Overlap the ends. Array.
- Step 4: Press it! Array.
- Step 5: Stitch the bias strip down to enclose the neckline. Array.
How do you calculate yardage for continuous bias binding?
Continuous Bias Formula
- 360″ of bias x 4 1/2″ wide = 1620 ÷ 42″ wide fabric = 38.57″ ÷ 36 = 1.07 yards of fabric.
- 220″ of bias x 3″ wide = 660 / 42″ wide fabric = 15.72″ / 36 = 0.436 yards.