What is a standard twin quilt size?
A common twin quilt size is 70" × 90", providing coverage on a 39" × 75" twin mattress.
Free quilting calculator
Twin Quilt Calculator
A common twin quilt size is 70" × 90". This calculator estimates backing panels, batting size, and binding strips so you can plan before visiting the fabric store.
Result
Quilt planning estimate
70" × 90" finished quilt with backing and binding estimates.
- Finished quilt size
- 70" × 90"
- Backing size
- 78" × 98"
- Backing yardage
- 5.5 yards
- Binding yardage
- 0.625 yards
Use this as a starting point, then open the backing, batting, and binding calculators for detailed settings.
Formula
Twin quilt estimates use standard dimensions with backing overage and binding perimeter formulas.
Example calculation
A 70" × 90" twin quilt has a 320" perimeter before extra binding length.
Results are planning estimates. Always round up when buying fabric, especially for directional prints, shrinkage, fussy cutting, or cutting mistakes.
Related calculators
Quilt Backing CalculatorCalculate quilt backing fabric in yards using quilt width, length, backing overage, and common fabric widths like 44 inch and 108 inch.Quilt Binding CalculatorFind the binding length, number of WOF strips, and fabric yardage needed for your quilt binding.Quilt Size CalculatorChoose a quilt type or enter custom dimensions to estimate finished quilt size, backing, batting, and binding needs.
Frequently asked questions
How much backing for a twin quilt?
With 44-inch fabric, you usually need about 5.5 yards pieced. With 108-inch wide backing, about 2.75 yards.
Should twin quilts have borders?
Borders are optional but can add width and length if your block layout does not reach the desired size.
What batting size for a twin quilt?
Plan batting about 78" × 98" to allow 4 inches of overage on each side.