PO D × basic advance d ÷ 1212
Convert Between Measurement Systems Type of MeasureCustomary Metric Length 1 inch (in.) ≈ 2.54 centimeters (cm) 1 foot (ft.) ≈ 0.30 meter (m) 1 yard (yd) ≈ 0.91 meter (m) 1 mile ≈ 1.61 kilometers (km) Weight/Mass 1 pound (lb.) ≈ grams (g) 1 pound (lb.) ≈ kilograms (kg) 1 ton (T) ≈ kilograms (kg) Capacity 1 cup (c) ≈ milliliters (mL) 1 pint (pt) ≈ milliliters (mL) 1 quart (qt) ≈ milliliters (mL) 1 gallon (gal) ≈ 3.79 liters (L) You can multiply by fractions to convert between customary and metric units. The table below lists common customary and metric relationships.
Ex. Convert inches to centimeters. Round to the nearest hundredth if necessary. Since 2.54 centimeters ≈ 1 inch, multiply by 2.54 cm 1 in in 1 × 2.54 cm 1 in = cm cm= cross cancel common units
Convert 5 kilometers to miles. Round to the nearest hundredth if necessary. Since 1 mile ≈ 1.61 kilometers, multiply by 1 mi km 5 km 1 × 1 mi km = 5 mi mi.= cross cancel common units
Whiteboard time What is the relationship between feet and meters? Write as a ratio. 1 ft.30m
Whiteboard time What is the relationship between cups and milliliters? Write as a ratio. 1 c mL
Whiteboard time 6 yd ≈ _____ m 5.46 m
Whiteboard time 1.6 cm ≈ _____ in 0.63 in
Whiteboard time 17 m ≈ _____ yd yd