SeeMyQuiltLog cabin block calculator
Enter the center size, the strip width and the number of rounds. You get the block size and the length of every log.
Finished block11" × 11"
- Center: 1 square 2 1/2"
- Strips cut 2" wide
- Logs in sewing order: 2 1/2", 4", 4", 5 1/2", 5 1/2", 7", 7", 8 1/2", 8 1/2", 10", 10", 11 1/2"
- Total strip length per block: 84"
How it is calculated
A log cabin block grows by twice the strip width with every round. Each round has four logs: the first is as long as the block so far, the next two are one strip width longer, and the last is two strip widths longer.
Cut lengths include 1/2" for seams. Sew the logs around the center in order, always turning the same way, and press each seam toward the new log.
Questions
How wide are log cabin strips?
Any width works. 1 1/2" finished strips, cut 2", are common; jelly roll strips give 2" finished logs.
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