How to Convert Imperial Tools to Metric

Even though we live in a global world, we still have remnants of different units of measurement in different countries! This can get frustrating especially when you’re working with tools. Wrenches, sockets, and other tools often come in both imperial and metric measurements.

To Convert

Inches to Millimeters multiply by 25.4
Inches to Centimeters multiply by 2.54
Feet to Meters multiply by 0.305
Yards to Meters multiply by 0.914
Miles to Kilometers multiply by 1.609
Square inches to Square centimeters multiply by 6.45
Square feet to Square meters multiply by 0.093
Square yards to Square meters multiply by 0.836
Cubic inches to Cubic centimeters multiply by 16.4
Cubic feet to Cubic meters multiply by 0.0283
Cubic yards to Cubic meters multiply by 0.765
Pints to Liters multiply by 0.473
Quarts to Liters multiply by 0.946
Ounces to Grams multiply by 28.4
Pounds to Kilograms multiply by 0.454
Tons to Metric Tons multiply by 0.907

Use this table to convert imperial to metric

1/64 inches – 0.40 mm
1/32 inches – 0.79 mm
1/25 inches – 1 mm
1/16 inches – 1.59 mm
1/8 inches – 3.18 mm
1/4 inches – 6.35 mm
3/8 inches – 9.53 mm
2/5 inches – 10 mm
1/2 inches – 12.7 mm
5/8 inches – 15.9 mm
3/4 inches – 19.1 mm
7/8 inches – 22.2 mm
1 inch – 25.4 mm
2 inches – 50.8 mm
3 inches – 76.2 mm
4 inches – 101.6 mm
5 inches – 127 mm
6 inches – 152 mm
7 inches – 178 mm
8 inches – 203 mm
9 inches – 229 mm
10 inches – 254 mm
11 inches – 279 mm
12 inches – 305 mm
36 inches – 914 mm
39.4 inches – 1,000 mm