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Standard/Metric Conversions

Standard/Metric Conversions. Length. Convert: Kilometer to miles: 1km = .621 miles To convert from km to miles, multiply .621 by the number of km (km x .621) Example: 3 km = _____ miles 3 x .621 = 1.863 miles 4.5 km = ______ miles answer: 4.5 x .621 = 2.795 miles. Length.

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Standard/Metric Conversions

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  1. Standard/Metric Conversions

  2. Length • Convert: • Kilometer to miles: • 1km = .621 miles • To convert from km to miles, multiply .621 by the number of km (km x .621) • Example: 3 km = _____ miles 3 x .621 = 1.863 miles 4.5 km = ______ miles answer: 4.5 x .621 = 2.795 miles

  3. Length • To convert from miles to km, divide the number of miles by .621 (miles ÷ .621) • Example: 5 miles = ______ km 5 ÷ .621 = 8.052 km 45 miles = _____ km 45 ÷ .621 = 72.464 km

  4. Length • Convert: • Inches to cm • 1 inch = 2.54 cm • To convert from inches to cm, multiply 2.54 by number of inches. (inches x 2.54) • Example: 3.6 inches = ______ cm 3.6 x 2.54 = 9.144 cm • 92 inches = _______ cm 92 x 2.54 = 233.68 cm

  5. Length • Convert: • To convert from cm to inches, divide by 2.54 (cm ÷ 2.54) • Example: 14 cm = _____ inches 14 ÷ 2.54 = 5.512 inches • 27.4 cm = _____ inches 27.4 ÷ 2.54 = 10.787 inches

  6. Convert: 1 liter = .264 gallons To convert liters to gallons, multiply liters x .264 Example: 10 liters = ____ gallons 10 x .264 = 2.64 gallons To convert gallons to liters, divide gallons by .264 Example: 24 gallons = ____ liters 24 ÷ .264 = 90.909 liters Volume

  7. Volume

  8. Convert °F to °C: Begin by subtracting 32 from the Fahrenheit number. Divide the answer by 9. Then multiply that answer by 5 Example: 95 °F – 32 = 63/9 = 7x5 = 35 °C Temperature

  9. Convert from °C to °F: Begin by multiplying the Celsius temperature by 9. Divide the answer by 5. Now add 32. Example: 20 °C x 9=180/5=36+32=68 °F Temperature

  10. Mass • 1 kg = 2.2 lbs • To convert kg to lbs, kg x 2.2 • Example: 4.3 kg = _____ lbs 4.3 x 2.2 = 9.46 lbs • To convert lbs to kg, lbs ÷ 2.2 • Example: 40 lbs = ______ kg 40 ÷ 2.2 = 18.182 kg

  11. Area and Volume • Area of a rectangle or square: length x width • Volume of a rectangle or square: length x width x height

  12. Practice Problems • 40 km = _____ miles • 45 miles = _____ km • 12 inches = _____ cm • 76 cm = _____ inches • 30 liters = _____ gallons • 100 gallons = _____ liters • 41 °F = ______ °C • 100 °C = ______ °F

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