Block Layout Calculator
Determine how many blocks fit in your target quilt dimensions and see the actual finished size with sashing.
Inputs
in
in
in
in
Results
Total Blocks Needed
30
Blocks Across5
Blocks Down6
Actual Width68 in
Actual Length82 in
Width Difference-4 in
Length Difference-8 in
How to Use This Calculator
- Enter Target Quilt Width, Target Quilt Length, and Finished Block Size.
- Set Sashing Width.
- Review the Total Blocks Needed result.
- Use Blocks Across and Blocks Down to inform your decision.
- Use the chart to visualize the results and explore different scenarios by adjusting inputs.
How the result changes with Finished Block Size
| Finished Block Size | Total Blocks Needed |
|---|---|
| 4.2 | 180 |
| 9.7 | 48 |
| 16 | 20 |
| 22 | 12 |
What each input means
- Target Quilt Width
- Desired finished quilt width in inches.
- Target Quilt Length
- Desired finished quilt length in inches.
- Finished Block Size
- Finished size of each quilt block in inches.
- Sashing Width
- Width of sashing between blocks. Set to 0 for no sashing.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersTarget Quilt Width = 72, Target Quilt Length = 90, Finished Block Size = 12, Sashing Width = 2 = 4 input(s) provided
- Calculate Total Blocks NeededTotal Blocks Needed30 = 30
- Calculate Blocks AcrossBlocks Across5 = 5
- Calculate Blocks DownBlocks Down6 = 6
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