Appendix The British Imperial Weights and Measures

Nonmetric to Metric

Metric to Nonmetric

Weight

1 pound (lb) = 16 ounces (oz) = 0.454 kilogram (kg)

1 kilogram = 2.2 pounds

1 ounce = 28.35 grams (g)

1 gram = 0.035 ounce

Volume

1 gallon (gal) = 4 quarts (qt) = 3.785 liters (L)

1 liter = 1.057 quarts

1 quart = 2 pints (pt) = 0.946 liter

1 pint = 16 fluid ounces (fl oz) = 0.473 liter

Length

1 mile (mi) = 1,760 yards (yd) =

1.609 kilometers (km)

1 kilometer = 0.62 mile

1 yard = 3 feet (ft) = 0.914 meter (m)

1 meter = 39.37 inches (in)

1 foot = 12 inches = 30.48 centimeters (cm)

1 centimeter = 0.39 inch

1 inch = 2.54 centimeters

1 millimeter (mm) = 0.039 inch

Symbol

Example

Meaning

.

8.5689

eight point five six eight nine

+

R₁+R₂

R one plus R two

-

V – V₁

V minus V one

±

±3m

plus or minus 3 meters

=

R=R₁+R₂

R equals/is equal to R one plus R two

≠

V≠V₁+V₂

V doesn’t equal/is not equal to V one plus V two

×

f ×120

F times/multiplied by one hundred and twenty

׃

( ― )

36׃5=7.2

a+b = c+d

a-b = c-d

thirty six divided by five equals seven point two

a plus b over a minus b is equal to c plus d over c minus d

/

½

⅓

⅜

3½

4⅛

4⅝

one half (a half)

one third (a third)

three eighths

three and a half

four and an eighth

four and five eighths

²

3²

three squared (three square)

three (raised) to the second power

three to the power two

the second power of three

³

5³

five cubed

five cube

five (raised) to the third power

five to the power of three

the third power of five

the cube of five