Knitting guide
Knitting Increase and Decrease Spacing: Rows and 6-1-8 Notation
Separate within-row spacing from shaping across rows, then check repeat instructions, starting face and exact shaping rows.
Knitting shaping can mean spacing changes within one row or placing them across several rows. Choose the relevant mode in the increase and decrease calculator.
Space changes within one row
Enter the current stitch count and the number to add or remove. An increase adds a stitch, while a two-stitch decrease consumes two existing stitches to make one. The same simple division does not describe both operations.
Follow the groups and repeats through the row, then check the final count. If a pattern requires a change at a specific motif position or specifies a leaning decrease, follow those instructions too.
Set one-edge or both-edge shaping
For shaping across rows, enter the start count, end count and available rows. Going from 60 to 76 stitches requires 16 added stitches. Adding one at each edge requires eight shaping rows; adding one at only one edge requires sixteen.
With both edges selected, the instruction’s one stitch means one at each edge. Check the total change and repetitions together.
Read 6-1-8 notation
The notation 6-1-8 usually means change one stitch every six rows, eight times. At one edge that changes eight stitches; at both edges it changes sixteen. The pattern tells you whether these are increases or decreases.
The calculator shows repeat instructions and the actual shaping row numbers. The interval before the first change may differ from later intervals, so read every group and the row list.
Choose the starting face and interval order
If shaping only on right-side rows, specify whether row 1 of the calculation starts on the right or wrong side. With a right-side start, odd rows are right-side rows; with a wrong-side start, even rows are. Always choosing even rows can put shaping on the wrong face.
You can group equal intervals or distribute short and long intervals more evenly. The total rows and changes remain the same, but the positions can differ. Review the resulting row numbers. If too few eligible right-side rows are available, change the available rows or shaping conditions.
If your counts first need converting to a new size, start with knitting gauge calculations.