Row Gauge Calculator

Calculate rows per measured length.

Calculators & Converters
Active Counter
Rows in 4" (10cm)
0rows
Calculated Row Gauge
1rows/in
Tap Anywhere to Count
Press Space or ↑ on your keyboard • Auto-saves instantly

Row Gauge Calculator: Quick Calculation

Estimated Required Count: 220 stitches (based on 5.5 sts/inch)
Ready to count. Changes are automatically saved in local storage.

How Row Gauge Calculator Works?

The Row Gauge Calculator works by taking the Rows in 4" (10cm) of your swatch and returning the Calculated Row Gauge per inch and per centimetre. Row gauge turns a target length into a row count.

  1. Count the rows

    Count rows over 4 in (10 cm) on the washed swatch, from the top of one stitch to the top of another.

  2. Enter the count

    Type the row count into the first calculator box, or tap it in on the main display.

  3. Enter a length

    Type the target length in inches into the second box.

  4. Read the result

    The panel shows the rows needed for that length.

Row Gauge Calculator Formula

The Row Gauge Calculator formula is rows per inch = rows in 4 in ÷ 4. The rows for a length equal the length times the rows per inch.

Per inch
r = R ÷ 4

R is the rows in 4 in.

Per cm
r_cm = R ÷ 10.16

Divide the rows in 4 in by 10.16 for rows per cm.

Rows for length
Rows = length × r

Round to the side the next shaping row needs.

Worked example: Twenty-six rows over 4 in gives 6.5 rows per inch (2.56 per cm). An armhole depth of 8 in (20.3 cm) needs 8 × 6.5 = 52 rows.

Row Gauge Calculator Conversion Table

The Row Gauge Calculator conversion table converts rows per 4 in into row gauge and rows for 3 lengths.

Row gauge and lengths
Rows / 4 inRows / inRows / cm8 in (20.3 cm)14 in (35.6 cm)24 in (61 cm)
1641.57325696
184.51.773663108
2051.974070120
225.52.174477132
2462.364884144
266.52.565291156
2872.765698168
3283.1564112192
3693.5472126216
40103.9480140240

Row gauge changes more than stitch gauge with blocking. Measure after washing.

What is Row Gauge Calculator?

A Row Gauge Calculator is a tool that converts the rows in a measured swatch into rows per inch and per centimetre. Row gauge sets lengths: body, sleeve, armhole depth and yoke depth.

Patterns often say "work to 14 in" rather than giving rows, but row gauge lets you plan shaping rows ahead.

The Stitches Counter calculator shows the rows for a length on one panel.

What are the uses of Row Gauge Calculator?

There are 4 main uses of the Row Gauge Calculator, including armhole depth, sleeve length and yoke depth.

  • Armhole depth

    Plan rows from underarm to shoulder.

  • Sleeve length

    Plan rows from cuff to underarm.

  • Yoke depth

    Plan rounds for top-down yokes.

  • Shaping intervals

    Spread shaping over a set length.

About the Row Gauge Calculator

Compute precise row and round density per inch and centimeter to ensure sweater lengths and armhole depths hit your target measurements.

How to Use This Tool Efficiently

  • ✓Row gauge is affected by needle material (wood vs slick metal) and yarn drape.
  • ✓Count vertical V columns in knitting or horizontal post ridges in crochet.

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