Sewing Unit Converter
Quickly convert inches, centimeters, millimeters, yards, and meters without leaving your sewing table.
Unit Converter
Enter a measurement in inches to instantly convert it into centimeters, millimeters, yards, and meters.
Conversion Results
Converted automatically from 1 inch.
Centimeters
Millimeters
Meters
Yards
Fraction Converter
Quickly convert common sewing fractions into decimal inches, centimeters, and millimeters.
Decimal
0.6250
inches
Centimeters
1.59
cm
Millimeters
15.9
mm
5/8" equals 0.6250 inches, 1.59 cm, or 15.9 mm. This conversion is commonly used when reading sewing patterns, seam allowances, quilting measurements, and fabric cutting guides.
Common Seam Allowances
Frequently used seam allowances for garment sewing and quilting.
| inches | cm | note |
|---|---|---|
| 1/4 | 0.64 | Quilting standard |
| 3/8 | 0.95 | Light garments |
| 1/2 | 1.27 | Commercial patterns |
| 5/8 | 1.59 | US Big 4 patterns |
| 3/4 | 1.91 | Fitting adjustments |
| 1 | 2.54 | Home décor & bags |
Common Sewing Measurements
Quick reference conversions used in sewing patterns.
| inches | cm | label |
|---|---|---|
| 36 | 91 | 36" |
| 44 | 112 | 44" |
| 45 | 114 | 45" |
| 54 | 137 | 54" |
| 58 | 147 | 58" |
| 60 | 152 | 60" |
Sewing Tips
Most commercial sewing patterns from the US use inches while many fabric shops worldwide use centimeters or meters.
Keeping a reliable converter nearby helps prevent cutting mistakes and buying the wrong amount of fabric.
For garment sewing, always verify seam allowances before cutting because different pattern companies use different standards.
Recommended Tools
6-inch seam gauge
Handy for checking seam allowance fast.
Soft dressmaker's measuring tape
Needed to take the body measurements this tool asks for.
Rotary Cutter
Cuts fabric quickly with clean, accurate edges.