Fraction Decimal Chart

1/32 Fraction to Decimal Chart

Use this 1/32 inch chart when you need finer ruler marks than 1/16 without going all the way to 1/64.

1/32 Fraction Converter

Use the main calculator to enter fractions, decimals, mixed inch values, or millimeters. The chart below gives quick reference values for this page.

Open Calculator

1/32 Inch Fraction Chart

Every 1/32 increment from 1/32 through 1 inch with decimal and millimeter values.

FractionDecimal inchesMillimetersNearest 1/32
1/32 0.0313 0.794 1/32
1/16 0.0625 1.588 1/16
3/32 0.0938 2.381 3/32
1/8 0.1250 3.175 1/8
5/32 0.1563 3.969 5/32
3/16 0.1875 4.763 3/16
7/32 0.2188 5.556 7/32
1/4 0.2500 6.350 1/4
9/32 0.2813 7.144 9/32
5/16 0.3125 7.938 5/16
11/32 0.3438 8.731 11/32
3/8 0.3750 9.525 3/8
13/32 0.4063 10.319 13/32
7/16 0.4375 11.113 7/16
15/32 0.4688 11.906 15/32
1/2 0.5000 12.700 1/2
17/32 0.5313 13.494 17/32
9/16 0.5625 14.288 9/16
19/32 0.5938 15.081 19/32
5/8 0.6250 15.875 5/8
21/32 0.6563 16.669 21/32
11/16 0.6875 17.463 11/16
23/32 0.7188 18.256 23/32
3/4 0.7500 19.050 3/4
25/32 0.7813 19.844 25/32
13/16 0.8125 20.638 13/16
27/32 0.8438 21.431 27/32
7/8 0.8750 22.225 7/8
29/32 0.9063 23.019 29/32
15/16 0.9375 23.813 15/16
31/32 0.9688 24.606 31/32
1 1.0000 25.400 1

Note: Values are based on 1 inch = 25.4 millimeters.

When 1/32 is enough

  • Use 1/32 for joinery, cabinet layout, and fitting parts.
  • It is twice as fine as 1/16.
  • It is easier to read than 1/64 on many rulers.

How to read the table

  • Find the fraction in the first column.
  • Use the decimal value for calculations.
  • Use millimeters when matching metric drawings.

All Conversion Charts