Sweater Sizing Calculator
Calculate cast-on count, body rows, and piece dimensions for a custom-fit sweater based on your chest measurement and gauge.
Inputs
in
in
Results
Cast-On Count (full body)
200 sts
Body Rows
168
Front Stitches100 sts
Back Stitches100 sts
Sleeve Stitches (each)70 sts
Chest + Ease40 in
Est. Yarn Needed467 yd
How to Use This Calculator
- Enter chest circumference in inches and desired ease (positive for a relaxed fit, negative for fitted).
- Input body length and sleeve length in inches.
- Enter your gauge in stitches and rows per 4 inches from a blocked swatch in pattern stitch.
- Review stitch counts for body width, sleeve cap, and yoke shaping.
- Use the row counts to plan your knitting schedule and yarn quantity.
How the result changes with Stitch Gauge (per inch)
| Stitch Gauge (per inch) | Cast-On Count (full body) | Body Rows |
|---|---|---|
| 2.4 | 96 sts | 168 |
| 5.9 | 236 sts | 168 |
| 10 | 400 sts | 168 |
| 14 | 560 sts | 168 |
What each input means
- Chest Circumference
- Actual chest measurement in inches. 2 inches of ease will be added automatically.
- Body Length
- Desired length from underarm to hem in inches.
- Stitch Gauge (per inch)
- Stitches per inch from your gauge swatch.
- Row Gauge (per inch)
- Rows per inch from your gauge swatch.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersChest Circumference = 38, Body Length = 24, Stitch Gauge (per inch) = 5, Row Gauge (per inch) = 7 = 4 input(s) provided
- Calculate Cast-On CountCast-On Count200 = 200
- Calculate Body RowsBody Rows168 = 168
- Calculate Front StitchesFront Stitches100 = 100
- Calculate Back StitchesBack Stitches100 = 100
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