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Calcimator

Quilt Size Calculator

Calculate the finished dimensions of your quilt based on block size, layout, sashing, and border width.

Inputs

in
in
in

Results

Finished Width

76 in

≈ 13 smartphones

Finished Length

90 in

≈ 15 smartphones

Total Blocks30
Inner Width (no border)68 in
Inner Length (no border)82 in
Quilt Area47.5 sq ft
How to Use This Calculator
  1. Enter Block Size, Blocks Across, and Blocks Down.
  2. Set Sashing Width and Border Width.
  3. Review Finished Width and Finished Length.
  4. Use Total Blocks and Inner Width (no border) (in) to inform your decision.
  5. Use the chart to visualize the results and explore different scenarios by adjusting inputs.

How the result changes with Blocks Across

Blocks AcrossFinished WidthFinished Length
3.960.6 in90 in
11160 in90 in
20286 in90 in
27384 in90 in

What each input means

Block Size
Finished size of each quilt block in inches.
Blocks Across
Number of blocks in each row.
Blocks Down
Number of rows of blocks.
Sashing Width
Width of sashing strips between blocks in inches. Set to 0 for no sashing.
Border Width
Width of the border around the quilt in inches.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Block Size = 12, Blocks Across = 5, Blocks Down = 6, Sashing Width = 2 = 5 input(s) provided
  2. Calculate Finished Width
    Finished Width
    76 = 76
  3. Calculate Finished Length
    Finished Length
    90 = 90
  4. Calculate Total Blocks
    Total Blocks
    30 = 30
  5. Calculate Inner Width
    Inner Width
    68 = 68

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