6 inch ruler. A 15 cm ruler, flip over for a six inch ruler. | CanStock
How many Centimeters in an Inch?- Inches to cm Conversion
23.6 Inches to CM - Howmanypedia.com
Amazon.com: 6 Pcs Clear Ruler 6 Inch - 8 Inch - 12 Inch Small Ruler with Centimeters and Inches Straight Edge Rulers for Kids School Office Supplies : Office Products
6 Inches to CM - Howmanypedia.com
Set of 3 Aluminum Rulers of 6”, 8”, 12” in Inch and 15, 20, 30 in cm – Simplify Bio
6 Inches To Centimeters Converter | 6 in To cm Converter
Inches to Cm - Conversion, Examples | Inches to Cm Formula