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| Measurements and the Metric System |
| Measurement |
Unit |
Abbreviation |
Metric Equivalent |
Approximate Standard Equivalent |
| 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 |
cm
2 |
1 cm
2 = 100 mm
2 |
- 1 cm
2 = 0.155 square inch
- 1 m
2 = 10.764 square feet
- 1 m
2 = 1.196 square yards
- 1 ha = 2.471 acres
|
| square meter |
m
2 |
1 m
2 = 10,000 cm
2 |
| hectare |
ha |
1 ha = 10,000 m
2 |
| Temperature |
Celsius |
°C |
— |
1 °C = 5/9 × (°F − 32) |
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Source:
OpenStax, Biology. OpenStax CNX. Feb 29, 2016 Download for free at http://cnx.org/content/col11448/1.10
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