| Length | 
nanometer | 
nm | 
1 nm = 10−9 m | 
- 1 mm = 0.039 inch
 
- 1 cm = 0.394 inch
 
- 1 m = 39.37 inches
 
- 1 m = 3.28 feet
 
- 1 m = 1.093 yards
 
- 1 km = 0.621 miles
 
 
 | 
| micrometer | 
µm | 
1 µm = 10−6 m | 
| millimeter | 
mm | 
1 mm = 0.001 m | 
| centimeter | 
cm | 
1 cm = 0.01 m | 
| meter | 
m | 
- 1 m = 100 cm
 
- 1 m = 1000 mm
 
 
 | 
| kilometer | 
km | 
1 km = 1000 m | 
| Mass | 
microgram | 
µg | 
1 µg = 10−6 g | 
- 1 g = 0.035 ounce
 
- 1 kg = 2.205 pounds
 
 
 | 
| milligram | 
mg | 
1 mg = 10−3 g | 
| gram | 
g | 
1 g = 1000 mg | 
| kilogram | 
kg | 
1 kg = 1000 g | 
| Volume | 
microliter | 
µl | 
1 µl = 10−6 l | 
- 1 ml = 0.034 fluid ounce
 
- 1 l = 1.057 quarts
 
- 1 kl = 264.172 gallons
 
 
 | 
| milliliter | 
ml | 
1 ml = 10−3 l | 
| liter | 
l | 
1 l = 1000 ml | 
| kiloliter | 
kl | 
1 kl = 1000 l | 
| Area | 
square centimeter | 
cm2 | 
1 cm2 = 100 mm2 | 
- 1 cm2 = 0.155 square inch
 
- 1 m2 = 10.764 square feet
 
- 1 m2 = 1.196 square yards
 
- 1 ha = 2.471 acres
 
 
 | 
| square meter | 
m2 | 
1 m2 = 10,000 cm2 | 
| hectare | 
ha | 
1 ha = 10,000 m2 | 
| Temperature | 
Celsius | 
°C | 
— | 
1 °C = 5/9 × (°F − 32) |