Formulas Measures

Customary

Metric

          Length

1 foot (ft) = 12 inches (in.)

1 yard (yd) = 36 in.

1 yd = 3 ft

1 mile (mi) = 5,280 ft

1 mi = 1,760 yd

          Length

1 centimeter (cm) = 10 millimeters (mm)

1 meter (m) = 100 cm

1 kilometer (km) = 1,000 m

1 mm = 0.001 m

          Area

1 square foot (ft2) = 144 square inches (in.2)

1 square yard (yd2) = 9 ft2

1 square mile (mi2) = 640 acres

          Area

1 square centimeter (cm2) = 100 square millimeters (mm2)

1 square meter (m2) = 10,000 cm2

          Volume

1 cubic foot (ft3) = 1,728 cubic inches (in.3)

1 cubic yard (yd3) = 27 ft3

          Volume

1 cubic centimeter (cm3) = 1,000 cubic millimeters (mm3)

1 cubic meter (m3) = 1,000,000 cm3

          Mass

1 pound (lb) = 16 ounces (oz)

1 ton (t) = 2,000 lb

          Mass

1 gram (g) = 1,000 milligrams (mg)

1 kilogram (kg) = 1,000 g

          Capacity

1 cup (c) = 8 fluid ounces (fl oz)

1 pint (pt) = 2 c

1 quart (qt) = 2 pt

1 gallon (gal) = 4 qt

          Capacity

1 liter (L) = 1,000 milliliters (mL)

1000 liters = 1 kiloliter (kL)

Customary Units and Metric Units

Length

1 in. = 2.54 cm

1 mi ≈ 1.61 km

1 ft ≈ 0.3 m

Capacity

1 qt ≈ 0.94 L

Weight and Mass

1 oz ≈ 28.3 g

1 lb ≈ 0.45 kg


End ofPage A4

Table of Contents

Digits, Grade 8, Volume 1, Homework Helper Unit A: Number and Operations Unit B: Proportionality Unit C: Expressions, Equations, and Relationships English/Spanish Glossary Formulas Math Symbols Formulas Measures Properties