# 9.1.1: Unit Conversions

- Page ID
- 209159

Exercise \(\PageIndex{1a}\)

Perform the following unit conversion.

12 g = _________ lb.

**Answer**-
\( 12 \ g \ x \ \dfrac {1 \ lb.} {453.6 \ g} \ = \ 0.026 \ lb. \)

Exercise \(\PageIndex{1b}\)

Perform the following unit conversion.

67.3 km = _________ mm

**Answer**-
\( 67.3 \ km \ x \dfrac {1000 \ m} {1 \ km } \ x \dfrac {1000 \ mm} {1 \ m} \ = \ 6.73x 10 ^ {7} \ mm \)

Exercise \(\PageIndex{1c}\)

Perform the following unit conversion.

39.3 in. = _________ cm

**Answer**-
\(39.3 \ in. \ x \ \dfrac {2.54 \ cm} {1 \ in.} \ = 99.8 \ cm\)

Exercise \(\PageIndex{1d}\)

Perform the following unit conversion.

60.0 cal = __________ J

**Answer**-
\(60.0 \ cal \ x \ \dfrac {4.184 \ J} {1 \ cal} \ = \ 251 \ J \)

Exercise \(\PageIndex{1e}\)

Perform the following unit conversion.

1.2 x 10^{-9} mg = ________ μg

**Answer**-
\( 11.2 \ x \ 10^ {-9} \ mg \ x \ \dfrac {1 \ g} {1000 \ mg} \ x \ \dfrac {10^ {6} \ μg} {1 \ g} \ = 1.2 x 10^ {-6} \ μg \)

Exercise \(\PageIndex{1f}\)

Perform the following unit conversion.

5.2 m^{3} = __________ ft^{3}

**Answer**-
Add texts here.\(5.2 \ m^{3} \ x \ \dfrac {(

Exercise \(\PageIndex{1g}\)

Perform the following unit conversion.

62°C = __________ K

**Answer**-
\(62 ^{0} C \ + \ 273 \ = \ 335 \ K \)