Page 13 - Laboratory Manual in Physical Geology

Mathematical Conversions
To convert: To: Multiply by:
kilometers (km) meters (m) 1000 m/km LENGTHS AND DISTANCES
centimeters (cm) 100,000 cm/km
miles (mi) 0.6214 mi/km
feet (ft) 3280.83 ft/km
meters (m) centimeters (cm) 100 cm/m
millimeters (mm) 1000 mm/m
feet (ft) 3.2808 ft/m
yards (yd) 1.0936 yd/m
inches (in.) 39.37 in./m
kilometers (km) 0.001 km/m
miles (mi) 0.0006214 mi/m
centimeters (cm) meters (m) 0.01 m/cm
millimeters (mm) 10 mm/cm
feet (ft) 0.0328 ft/cm
inches (in.) 0.3937 in./cm
micrometers (μm)* 10,000 μm/cm
millimeters (mm) meters (m) 0.001 m/mm
centimeters (cm) 0.1 cm/mm
inches (in.) 0.03937 in./mm
micrometers (μm)* 1000 μm/mm
nanometers (nm) 1,000,000 nm/mm
micrometers (μm)* millimeters (mm) 0.001 mm/μm
nanometers (nm) millimeters (mm) 0.000001 mm/nm
miles (mi) kilometers (km) 1.609 km/mi
feet (ft) 5280 ft/mi
meters (m) 1609.34 m/mi
feet (ft) centimeters (cm) 30.48 cm/ft
meters (m) 0.3048 m/ft
inches (in.) 12 in./ft
miles (mi) 0.000189 mi/ft
inches (in.) centimeters (cm) 2.54 cm/in.
millimeters (mm) 25.4 mm/in.
micrometers (μm)* 25,400 μm/in.
2
square miles (mi 2 ) acres (a) 640 acres/mi AREAS
2
2
square km (km ) 2.589988 km /m
2
2
2
square km (km 2 ) square miles (mi ) 0.3861 mi /km
2
2
acres square miles (mi ) 0.001563 mi /acr
2
2
square km (km ) 0.00405 km /acr
gallons (gal) liters (L) 3.78 L/gal VOLUMES
fluid ounces (oz) milliliters (mL) 30 mL/fluid oz
milliliters (mL) liters (L) 0.001 L/mL
3
3
cubic centimeters (cm ) 1.000 cm /mL
liters (L) milliliters (mL) 1000 mL/L
3
3
cubic centimeters (cm ) 1000 cm /mL
gallons (gal) 0.2646 gal/L
quarts (qt) 1.0582 qt/L
pints (pt) 2.1164 pt/L
grams (g) kilograms (kg) 0.001 kg/g WEIGHTS AND MASSES
pounds avdp. (lb) 0.002205 lb/g
ounces avdp (oz) grams (g) 28.35 g/oz
ounces troy (ozt) grams (g) 31.10 g/ozt
pounds avdp. (lb) kilograms (kg) 0.4536 kg/lb
kilograms (kg) pounds avdp. (lb) 2.2046 lb/kg
To convert from degrees Fahrenheit (°F) to degrees Celsius (°C), subtract 32 degrees and then divide by 1.8 To convert from degrees
Celsius (°C) to degrees Fahrenheit (°F), multiply by 1.8 and then add 32 degrees.
*Formerly called microns (μ)
xii ■ Preface