Giáo trình

# Concepts of Biology

Science and Technology

## Appendix

Tác giả: OpenStaxCollege

# Geological Time Chart (credit: Richard S. Murphy, Jr.)

# Measurements and the Metric System

 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)
Tải về
Đánh giá:
0 dựa trên 0 đánh giá
Nội dung cùng tác giả

Nội dung tương tự