Learn about rulers, which are instruments used to measure length, and find out about different types available and their uses.| Inch Calculator
Use our free printable ruler for measurements when you don't have one handy. Print a standard 12in/30 cm ruler or a 12" fraction ruler.| Inch Calculator
Inches are a unit of measurement equal to 1/12 of a foot or 2.54 centimeters. Learn more about the usage, origin, and history of the inch.| Inch Calculator
Convert inch fractions to decimal, decimal to inches, inches to metric measurements, and learn how to convert decimal to fractions.| Inch Calculator
Learn how to read a tape measure, what the markings mean, how to use a tape measure, and how to choose the one that's right for you.| Inch Calculator