University:
Georgia Southern University
Course:
CHEM 1310 | Comprehensive General Chemistry
Academic year:

2024
Views:

216

Pages:

2
Author:

Jalen W.

Useful Equalities and Conversions Factors Relating English and Metric System Units Type of Measurement Metric to English English to Metric 1.00 in./2.54 cm 39.4 in./1.00 m 0.621 mi./1.00 km 2.54 cm/i.00 in. 1.00 m/39.4 in. 1.00 km / 0.621 mi. 1.00 lb/454g 2.20 lbs/1.00 kg 1.00 oz/28.3g 454 g/1.00 lb. 1.00 kg/2.20 lbs. 28.3g/1.00 oz 1.00 qt/0.946 L 0.265 gal/1.00 L 0.034 fl. oz. /1.00 mL 1 tsp./4.93 mL 0.946 L / 1.00 qt 1.00 L /0.265 gal 1.00 mL/ 0.034 fl. oz. 4.93 mL/ 1 tsp. Length 1.00 in. = 2.54 cm 1.00 m = 39.4 in. 1.00 km = 0.621 mi. Mass 1.00 lbs. = 454 g 1.00 kg = 2.20 lbs. 1.00 oz/28.3g Volume 1.00 qt. = 0.946 L 1.00 L = 0.265 gal 1.00 mL = 0.034 fl. oz. 1 tsp. = 4.93 mL Useful Conversions Factors Metric and English Measures Length – metric Length – English Mass – metric Mass – English 10 mm = 1 cm 100 cm = 1 m 1000 m = 1 km 12 in = 1 foot 3 ft = 1 yd 5280 ft = 1 mi. 1 x 106 µg= 1 g 1000 mg = 1 g 1000 g = 1 kg 16 oz. = 1 lb. 2000 lb. = 1 ton Volume – metric Volume – English 1000 mL = 1 L 1 000 L = 1 kL 2pt = 1 qt 1 gal. = 4 qt 4 cups = 1 qt 1 qt = 32 fl.oz. Amount Units 23 1 mole = 6.02 x 10 units 1 doz. = 12 units 1 baker doz. = 13 units Decimal Multipliers for SI Prefixes Prefix Symbol Mult. Factor peta P 10 tera T 10 giga G mega M 109 106 kilo k 103 hecta h 10 deca da 10 deci d centi c 10-1 10-2 milli m micro µ 10-3 10-6 nano n 10-9 pico p 10 femto f 10 Example: 1 gram contains 1000 milligrams (mg) or 1 milligram is 1/1000th of a gram 1 kilogram (kg) contains 1000 grams or 1 gram is 1/1000th of a kilogram Conversion Factor Volume 1 mL = 1 cm3 Volume 1000 mL = 1 liter 15 12 powers of ten 2 1 sub powers of ten -12 -15 Temperature Conversions Fahrenheit to Celsius TF = (9/5) TC + 32 oF TC = (TF - 32 oF) x (5/9) Celsius to Kelvin TK = TC + 273 TC = TK - 273