Length
Mass / Weight
Time
Volume
Challenge
100

Convert 17.5 cm to inches (in).

6.89 in

100

Convert 25 pounds (lb) to ounces (oz)

400 oz

100

Convert 72 hours to days.

3 days

100

Convert 4 quarts (qt) to gallons (gal)

1 gal

100

Convert 50 mph (mi / hr) to kph (km / hr).

80.5 kph     (80.5 km / hr)
200

Convert 100 km to miles (mi)

62.1 mi

200

Convert 5.75 tons to pounds (lb)

11,500 lb

200

Convert 10,000 hours to days

416.67 days

200

Convert 3.5 pints to quarts (qt).

1.75 qt

200

Convert 5 meters per second to ft/s

16.41 ft/s

300

Convert 729.25 ft to yards (yd)

243.08 yd

300

Convert 542 grams to ounces (oz)

19.12 oz

300

Convert 729,000 seconds to hours (hr)

202.5 hrs

300

Convert 16.9 oz to cups

2.11 cups

300

Convert 1 gallon to teaspoons

768 teaspoons

400

Convert 123 mi to centimeters (cm)

19,794,931.2 cm

400

Convert 752,000 grams to pounds (lb)

1,657.84 lb

400

Convert 18 days to seconds

1,555,200 seconds

400

Convert 15 quarts to cups

60 cups

400

Convert 22,000 feet per sec to miles per minute.

250 mi/min

500

Convert 80,527 inches to meters (m)

2,048.39 m

500

Convert 907,200 grams to tons (T)

1 T

500

Convert 41 seconds to minutes (min)

0.68 min

500

Convert 1,920 teaspoons (tsp) to pints.

20 pints

500

Convert 940,000,000 km / year to centimeters per hour

(This is how much the Earth travels around the sun in its orbit).

10,700,000,000 cm / hr

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