Example Solutions for

Step-by-Step Units

Addition with Units

Add quantities together while converting the units to be compatible.

Follow the steps to add quantities with different units together:

120 picometers + 3 angstroms
0.02 mols + 0.02 mols + 700 mmols
12 minutes + 22 seconds + 1 hour
2 fathoms + 7 furlongs + 12 meters + 609 feet
10 m/s + 50 mph
867 newtons + 5309 grams-force
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Quantity Subtraction

Subtract quantities while converting the units to be compatible.

Follow the steps to subtract quantities with different units together:

3.83×10^26 watts - 0.4 solar luminosities
7 pounds minus 2 grams
180 J - 2000 cal
12 amperes - 111 atomic units
7 arcseconds per centimeter - 0.5 radian per kilometer
10000 hours - 2 days - 3.404 weeks - 0.5 years
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Multiplication with Units

Multiply quantities together while converting the units to be compatible.

See the steps for multiplying quantities with different units:

9.8 m/s^2 * 2 minutes
10 feet * 2 meters * 2 yards
.5 years * 26 Parsecs/Seconds
Pi meters * 2.5 Newtons
35 inches * 2.5 MegaElectronVolts
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