Gaugebridge / Calculation guide
Calculation guide
A new stitch gauge changes the width represented by the same stitch count. Gaugebridge turns your own measured gauge into a width estimate and a stitch count that fits a repeat multiple.
Start with a representative measurement
Enter the number of stitches you counted and the width they span. For example, 22 stitches across 10 cm means 2.2 stitches per cm. The tool accepts centimetres and inches; changing units converts the width entries while keeping stitch counts unchanged.
Use measurements that represent the fabric you intend to make and the finished state you are trying to match. The calculator does not measure the swatch, allow for a later change in dimensions or infer a different stitch pattern’s gauge.
Two ways to find the target width
Target width mode: enter the width you want directly. Pattern width mode: enter the original pattern’s stitch count and stated gauge; the calculator first converts that count into a width.
Ideal new stitches = target width × measured stitches ÷ measured swatch width
Worked example: copying the intended width
A pattern has 40 stitches at a stated 20 stitches per 10 cm. That corresponds to 20 cm. Your measured swatch has 22 stitches in 10 cm. To model the same 20 cm, the unrounded new count is 20 × 22 ÷ 10 = 44 stitches.
This is the width implied by those numbers. If the pattern uses a different gauge for an edge, cable, ribbed band or another section, a single uniform-gauge calculation does not model that difference.
Repeats and fixed stitches
Some instructions require a whole repeat plus a fixed number of stitches. Enter the repeat size and the total stitches outside repeats. If there is one fixed stitch at each edge, enter 2, not 1. If you have no repeat constraint, use a repeat size of 1 and zero fixed stitches.
Unrounded repeats = (ideal stitches − fixed stitches) ÷ repeat size
Nearest rounding chooses the closest allowed count, with an exact halfway tie going upward. “At least” rounds repeat count up; “at most” rounds down. Every result includes at least one whole repeat. If no complete repeat fits below the target, the at-most option returns an error instead of a misleading smaller count.
Worked example: a repeat changes the width
The ideal count is 44. A repeat of 6 plus 2 fixed stitches fits exactly: 7 × 6 + 2 = 44. At the entered 2.2 stitches per cm, the modelled width is 20 cm.
Now change the repeat to 4 and keep 2 fixed stitches. The adjacent allowed counts are 42 and 46. Both are two stitches from the ideal, so nearest-with-ties-up chooses 46. The width becomes 46 ÷ 2.2 = approximately 20.909 cm, about 4.55% above target. Choosing at most gives 42 stitches and about 19.091 cm.
What the difference means
Width difference = modelled width − target width
Percentage difference = width difference ÷ target width × 100
A positive difference means wider than the target, and a negative difference means narrower. Displayed values are rounded for readability; calculations use the underlying numbers. The downloaded text retains those numbers so you can review the assumptions.
Limits of gauge arithmetic
This tool does not rewrite a knitting pattern. It does not adjust shaping sequences, armholes, necklines, stitch distribution, construction, row counts, yarn quantity, colourwork or stretch. A repeat-compatible width count can still be unsuitable for the rest of a design.
The model is most direct for a rectangular region where one representative gauge applies. Recheck the actual fabric and the full instructions before relying on a changed stitch count. The result is a planning number rather than a guaranteed finished measurement.
Keeping a plan
Copy plan uses your browser’s clipboard permission. Download plan creates a local text file; it does not upload the measurements. Print uses the browser’s print dialog. None of these actions creates an account or automatically saves a project. Reset example restores the starting values and recalculates the result.