Introduction - Mathematics and Statistics for the Environment - page 6

TABLE 1.2 (continued)
Alphabetical List of Conversion Factors

Factor Metric (SI) or English Conversions

l lb/ft 3 (pounds per cubic foot) 16.02 g/L (grams/liter)

1 lb/in. 3 (pounds per cubic inch) 27.68 g/cm 3 (grams/cubic centimeter)

1728 lb/ft 3 (pounds/cubic feet)

1 m (meter) 1 × 10 10 Å (Ångstroms)

100 cm (centimeters)
3.28 ft (feet)
39.37 in. (inches)
1 × 10 -3 km (kilometers)
1000 mm (millimeters)
1,000,000 µm = 1 × 10 6 µm (micrometers)
1 × 10 9 nm (nanometers)

1 m 2 (square meter) 10.76 ft 2 (square feet)

1550 in. 2 (square inches)

1 m 3 (cubic meter) 1,000,000 cm 3 = 10 6 cm 3 (cc, cubic centimeters)

33.32 ft 3 (cubic feet)
61,023 in. 3 (cubic inches)
264.17 gal (gallons)
1000 L (liters)

1 mCi (millicurie) 0.001 Ci (curie)

3.7 × 10 10 radioactive disintegrations/second
3.7 × 10 10 Bq (becquerel)

1 mi (statute mile) 5280 ft (feet)

1.609 km (kilometers)
1609.3 m (meters)
0.869 NM (nautical miles)
1760 yd (yards)

1 mi 2 (square mile) 640 acres

2.79 × 10 7 ft 2 (square feet)
2.59 × 10 6 m 2 (square meters)

1 min (minute)

6.94 × 10 -4 days
0.0167 hr (hours)
60 sec (seconds)
9.92 × 10 -5 wk (weeks)
1.90 × 10 -6 yr (years)

1 mmHg (mm of mercury)

1.316 × 10 -3 atm (atmosphere)
0.535 in H 2 O (inches of water)
1.33 mb (millibars)
133.32 Pa (pascals)
1 torr
0.0193 psia (pounds/square inch absolute)

1 mph (miles per hour) 88 fpm (feet/minute)

1.61 kmph (kilometers/hour)
0.447 mps (meters/second)

1 mps (meters per second) 196.9 fpm (feet/minute)

3.6 kmph (kilometers/hour)
2.237 mph (miles/hour)

1 N (newton)

1 × 10 5 dynes