Converting Within the American Measurement System

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Converting American Measurements to Metric Measurements - 1 Converting from American measurements to Metric measurements is done by the same process as was used to convert from one American measurement to another and, from one Metric measurement to another. Study the following model and examples and then work the exercises that follow. American-to-Metric measurement equivalent measures are available in the table below.

E q uivalent Measures American to Metric 1 mile = 1.61 kilometers 1 yard = 0.914 meter 1 foot = 0.305 meter 1 inch = 2.54 centimeters 1 gallon = 3.79 liters 1 quart = 0.946 liter 1 pound = 0.454 kilogram 1 ounce = 28.35 grams Model For Converting From One Measurement To Another DesiredMetricUnit AmericanUnit Equivalentit × AmericanUn Example 1 Example 2 How many centimeters are in 2.8 inches? 67.3 miles is how many kilometers? 2.8 in = ?

cm 67.3 mi. = ? km The given measurement is 2.8 inches.

Since there are 1.61 kilometers in each mile, The desired measurement is centimeters. multiply the number of miles by 1.61 kilometers So we would multiply 2.8 in by 2.54 cm. per 1 mile.

over 1 centimeter. 2.54cm 2.8in 1in × 1.61km 67.3mi 1mi × = 2.8 × 2.54 inches ... more. less.

67.3 × 1.61 km = 7.112 in. H 7.1 cm (rounded) = 108.353 H 108.4 km (rounded) Using the Equivalent Measures chart provided , make the following conversions. Round answers to the nearest tenth when necessary. 1) 2.72 mi = ________ km 5) 14.6 ft = ________ m 9) 14.1 in = ________ cm 2) 9.3 gal = ________ L 6) 0.7 oz = ________ g 10) 12 lbs = ________ kg 3) 5.8 lbs = ________ kg 7) 5 in = ________ cm 11) 69.3 mi = ________ km 4) 98.6 yds = ________ m 8) 3.4 qt = ________ L 12) 4.05 oz = ________ g Make the following conversions, expressing your answer rounded to the nearest tenth when necessary. Use the conversion chart on the opposite side. 13) Between Jan. 1 and March 31, the Main Dept. 19) According to a mileage chart, the distance of Inland Fisheries raises the limit on salmon to between Dayton and Cincinnati is 55 16 inches. What is the limit in centimeters? miles. What is this distance in kilometers? 14) A sports equipment company recently released 20) A winery near the Rio Grande boasts a a new ski pole that holds 30 oz. of beverage. total volume of 15,000 gallons of wine. How many liters is this? (Hint: 1 qt = 32 oz) How many liters is this? 15) The word 9s largest scooping water bomber 21) A candy bar weighs 4.6 ounces. What can carry a payload of 60,000 pounds of is its weight in grams? water. What is this equivalent in kilograms? 16) The first hole at the Pelican Bay South Golf 22) The snow leopard 9s tail ranges in length course is 6630 yards long. Convert this between 31.5 and 39.4 inches. What is distance to meters. this range in centimeters? 17) A man weighing 220 pounds weighs how 23) A 42-gallon drum will hold how many many kilograms? liters? 18) A football field is 300 feet long. What is its 24) Near Rutland, Maine there is a 3-day back-length in meters? packing trail, called Big Branch Brook, that is 13.4 miles long. What is this distance in kilometers? 1) 4.4 km 4) 90.1 m 7) 12.7 cm 10) 5.4 kg 13) 40.6 cm 16) 6,059.8 m 19) 88.6 km 22) 80-100.1 cm 2) 35.2 L 5) 4.5 m 8) 3.2 L 11) 111.6 km 14) 0.9 L 17) 99.9 kg 20) 56,850 L 23) 159.2 L 3) 2.6 kg 6) 19.8 g 9) 35.8 cm 12) 114.8 g 15) 27,240 kg 18) 91.5 m 21) 130.4 g 24) 21.6 km

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