Unit Conversions / Dimensional Analysis

You know 1000 mg = 1 g.  Convert 2.5 grams into milligrams.

• 25 mg
• 25,000 mg
• 250 mg
• 2500 mg

Which conversion factor would be needed?

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Convert 565,900 seconds into days.

• 4.5 days

• 5.5 days

• 6.5 days

• 7.5 days

How many inches are in 1 mile?

(Hint: 5,280 ft = 1 mile)

• 66,300 inches

• 63,360 inches

• 63,030 inches

• 66,000 inches

Convert 315 cups to liters. Round to 2 places after the decimal.

Convert 4 days to seconds.

How many minutes are in a school year, 190 days?

• 269,000 minutes

• 11,400 minutes

• 16,156 minutes

• 273,600 minutes

Convert 32,190 inches/year to yards/day.

• 88.19 yards/day

• 7.3 yards/day

• 2.4 yards/day

• 4.9 yards/day

A bicycle has a speed of 6 meters/second. What is its speed in kilometers/hour?

• 21.6 kilometers/hour

• 16.67 kilometers/hour

• 2.16 kilometers/hour

• 1.67 kilometers/hour

What would be the final units of this problem?

• feet/minute

• yards/minute

• yards/second

• seconds/feet