Quilt Size Formula:
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The quilt size calculation determines the total area of a quilt by multiplying its width by its length. This measurement is essential for quilters to plan their projects, purchase the right amount of fabric, and ensure the finished quilt will fit its intended purpose.
The calculator uses the simple area formula:
Where:
Explanation: The formula calculates the two-dimensional area of the quilt surface in square inches.
Details: Knowing the quilt size helps determine fabric requirements, batting needs, and ensures the finished quilt will fit its intended space (bed, wall, etc.). Standard quilt sizes include crib (36"×52"), twin (70"×90"), queen (90"×95"), and king (110"×95").
Tips: Enter width and length in inches. Measure carefully - for irregular shapes, break into rectangles and calculate each section separately. All values must be positive numbers.
Q1: Should I add extra inches for borders?
A: Yes, always include planned border widths in your total dimensions when calculating fabric needs.
Q2: How do I convert square inches to yards of fabric?
A: Divide square inches by 1,296 (36"×36") to get square yards. Remember standard fabric width is typically 42-44 inches.
Q3: What about quilt thickness?
A: This calculator measures surface area only. For volume calculations (storage, shipping), multiply area by thickness.
Q4: How much extra fabric should I buy?
A: Add 10-15% for cutting errors and pattern matching, more for complex designs.
Q5: Are there standard quilt sizes?
A: Yes, common sizes include: Crib (45"×60"), Twin (72"×90"), Queen (90"×108"), King (120"×120").