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9.3: Appendix C- Measurements and the Metric System

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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 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)
    Table C1

    9.3: Appendix C- Measurements and the Metric System is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.

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