Conversion Factors
1. Area
1 square centimeter (1 cm2) = 0.1550 square inches
1 square meter (1 m2) = 1.1960 square yards
1 hectare = 2.4711 acres
1 square kilometer (1 km2) = 0.3861 square miles
1 square inch (1 in.2) = 6.4516 square centimeters
1 square foot (1 ft2) = 0.0929 square meters
1 square yard (1 yd2) = 0.8361 square meters
1 acre = 4046.9 square meters
1 square mile (1 mi2) = 2.59 square kilometers
2. Concentration Conversions
1 part per million (1 ppm) = 1 microgram per liter (1 μg/L)
1 microgram per liter (1 μg/L) = 1 milligram per kilogram (1 mg/kg)
1 microgram per liter (μg/L) × 6.243 × 108 = 1 lb per cubic foot (1 lb/ft3)
1 microgram per liter (1 μg/L) × 10− 3 = 1 milligram per liter (1 mg/L)
1 milligram per liter (1 mg/L) × 6.243 × 10 ...
Get Environmental Organic Chemistry for Engineers now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.