How to Convert Decimal to Ruler Measurement | Sciencing Take the remaining portion of the decimal and multiply it by the fraction increment desired. For example, if your ruler measures to the nearest 1/32nd of an inch, multiply the decimal portion by 32. In this example, times 32 equals 14. Round the value from step 2 to the nearest whole number. How to Use a Decimal Ruler (Inches) Decimal Rulers can be based on any measuring system but are usually based on either the English measurement system inches (in) or the Metric measurement system of millimeters (mm), centimeters (cm) and meters (m). We discuss here, Decimal Rulers based Related searches for convert ruler to decimal ruler to decimal conversion chartruler measurements in decimalsconvert inches to decimal inchesdecimal inch rulerinches to decimal conversion chart printableinches in decimals chartinch to decimal conversion sheetconvert decimal to feet calculator