Metric system
 
10 millimeters (mm) = 1 centimeter (cm) = 0.394 inch
 
1 inch = 25.4 mm = 2.54 cm
12 inches = 1 foot = 30.48 cm
 
 
1000 grams (g) = 1 kilograms (kg) = 2.205 pounds
 
1 ounce = 28.35 g
16 ounces = 1 pound = 0.454 kg