6mm = almost 1/4 inch. 7mm = almost 9/32 inch (= a bit over 1/4 inch) 8mm = 5/16 inch.
Metric / Standard Wrench Conversion Chart
Bolt Diameter | Metric | Standard |
---|---|---|
1/8" | 8mm | 5/16" |
3/16" | 10mm | 3/8" |
1/4" | 11mm | 7/16" |
5/16" | 13mm | 1/2" |
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Apr 9, 2020
5/16 ″
Millimeters to inches conversion table
Millimeters (mm) | Inches (") (decimal) | Inches (") (fraction) |
---|---|---|
8 mm | 0.3150 ″ | 5/16 ″ |
9 mm | 0.3543 ″ | 23/64 ″ |
10 mm | 0.3937 ″ | 25/64 ″ |
20 mm | 0.7874 ″ | 25/32 ″ |
25.4 millimeters
1 inch is equal to 25.4 millimeters, which is the conversion factor from inches to millimeters.
Inches to millimeters conversion table
Inches (") | Millimeters (mm) |
---|---|
1/8 ″ | 3.175 mm |
1/4 ″ | 6.35 mm |
1/2 ″ | 12.7 mm |
1 ″ | 25.4 mm |
The millimetre (international spelling; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the metric system, equal to one thousandth of a metre, which is the SI base unit of length. Therefore, there are one thousand millimetres in a metre. There are ten millimetres in a centimetre.
On a metric ruler, each individual line represents a millimeter (mm). The numbers on the ruler represent centimeters (cm). There are 10 millimeters for each centimeter.
Tuesday Tip – How to Measure Without A Ruler
May 9, 2017
3:28
4:56
Drop your pencil and align. One end up to the zero on your ruler. One end onto the zero of yourMoreDrop your pencil and align. One end up to the zero on your ruler. One end onto the zero of your ruler.
The centimeter (cm) is also a unit of length which is ten times larger than a millimeter and is equal to one hundredth of a meter; therefore, there are 100 centimeters in a meter.