Category: Science

How to read a six inch ruler

by Doull on / Science

'Click here' to view How To Read Decimal Rulers based on the Metric system. ' Click here' to view How To Read Fractional Rulers based on the English (inch). This instructable will help you understand how to use a "standard" ruler better; specifically being able to read fractions of an inch or "Drawing the Inch" as I call it . Read your ruler by noting the inch, then adding the number of parts of the If you read a three on the ruler above, then counted six millimeters.