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How to use this tool

• Fill blank MM, CM to convert to Inch
• Fill blank Inch to convert to MM, CM
• Use 1/8" graduations, 10cm = 4" ; Use 1/16" graduations, 10cm = 3 15/16" ;

Adjusting this online ruler to actual size

The diagonal screen is 15.6"(inches) of my laptop computer, resolution is 1366x768 pixels. I google the PPI reference and found 100 PPI to my screen, after i measure the size of virtual ruler by a actual ruler, i found the markings are not very accurate at 30cm, so i set the default pixels per inch(PPI) is 100.7 for myself.

MM, CM, Inch

• 1 CM(centimeter) = 10 MM (millimeters)
• 1 meter = 100 centimeters = 1,000 millimeters
• 1 inch equals 2.54 centimeters, 1 cm equals 0.393700787 in.
• 1/2" = 2.54 cm, 1 cm equals 0.393700787 in.

Inch To CM,MM Table

Fractional Ruler

There are two types of scales commonly used on rulers; Fractional and Decimal. Fractional Rulers have graduations or marks based on fractions, for example 1/2", 1/4" 1/8", 1/16", etc.. Decimal Rulers have graduations or marks which are based on the decimal system such as 0.5, 0.25, 0.1, 0.05, etc.. Most Fractional Rulers are based on the English measuring system where scales are graduated in units of one inch and fractions of an inch.

How big is a centimeter

A centimeter is 10 millimeters, or approximately the width of a fingernail. Another way to imagine the size of a centimeter is in relation to inches. One centimeter is approximately three times smaller than an inch.

Online Virtual Rulers

• online real size ruler : It's a good idea to check the products size, before we buying it from internet, try this virtual actural size ruler
• 快乐飞艇只盒:imperial scale ruler : Online scale ruler with imperial units(in, ft, yd, mi)
• 快乐飞艇只盒:metric scale ruler : Online scale ruler with metric units(cm, m, km)

Length Converters

• 快乐飞艇只盒:Inches to CM : convert inches(in) to centimeters(cm), or centimeters to inches.
• 快乐飞艇只盒:Inches to feet : convert inches(in) to feet(ft), or feet to inches.
• MM to CM : convert millimeters(mm) to centimeters(cm), or centimeters to millimeters.
• 快乐飞艇只盒:Feet to CM : convert feet(ft) to centimeters(cm), or centimeters to feet.
• 快乐飞艇只盒:Height conversion : convert feet and inches to centimeters, convert cm to ft and in.
• 快乐飞艇只盒:Scale converter : calculate the actual length and the scale length according to the scale ratio.

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