Introduction - Mathematics and Statistics for the Environment - page 5

TABLE 1.2 (continued)
Alphabetical List of Conversion Factors

Factor Metric (SI) or English Conversions

1 hr (hour) 0.0417 days

60 min (minutes)
3600 sec (seconds)
5.95 × 10 -3 wk (weeks)
1.14 × 10 -4 yr (years)

1 in. (inch) 2.54 cm (centimeters)

1000 mil

1 in. 3 (cubic inch) 16.39 cm 3 (cc, cubic centimeters)

16.39 mL (milliliters)
5.79 × 10 -4 ft 3 (cubic feet)
1.64 × 10 -5 m 3 (cubic meters)
4.33 × 10 -3 gal (gallons)
0.0164 L (liters)
0.55 fl oz. (fluid ounces)

1 inch of water 1.86 mmHg (millimeters of mercury)

249.09 Pa (pascals)
0.0361 psi (lb/in. 2 )

1 j (joule) 9.48 × 10 -4 BTUs (British Thermal Units)

0.239 cal (calories)
10,000,000 ergs = 1 × 10 7 ergs
9.87 × 10 -3 L atm (liter-atmospheres)
1.0 N-m (newton-meters)

1 kcal (kilocalories) 3.97 BTUs (British Thermal Units)

1000 cal (calories)
4186.8 j (joules)

1 kg (kilogram) 1000 g (grams)

2205 lb (pounds)

1 km (kilometer) 3280 ft (feet)

0.54 NM (nautical miles)
0.6214 mi (statute miles)

1kW (kilowatt) 56.87 BTU/min (British Thermal Units per minute)

1.341 hp (horsepower)
1000 j/sec (joules per second)

1 kWh (kilowatt-hour) 3412.14 BTU (British Thermal Units)

3.6 × 10 6 j (joules)
859.8 kcal (kilocalories)

1 L (liter) 1000 cm 3 (cc, cubic centimeters)

1 dm 3 (cubic decimeters)
0.0353 ft 3 (cubic feet)
61.02 in. 3 (cubic inches)
0.264 gal (gallons)
1000 mL (milliliters)
1.057 qt (quarts)

1 lb (pound) 453.59 g (grams)

16 oz. (ounces)

(continues)