Conversion Factors Used in Meteorology
 TO CONVERT FROM: DO THIS: Atmospheres (atm) to inches of mercury @32°F (inHg32) (atm) * 29.9213 = (inHg32) Atmospheres (atm) to inches of mercury @60°F (inHg60) (atm) * 30.0058 = (inHg60) Atmospheres (atm) to millibars (mb) (atm) * 1013.25 = (mb) Atmospheres (atm) to pascals (Pa) (atm) * 101325 = (Pa) Atmospheres (atm) to pounds/square inch (lb/in**2) (atm) * 14.696 = (lb/in**2) Centimeters (cm) to feet (ft) (cm) * 0.032808399 = (ft) Centimeters (cm) to inches (in) (cm) * 0.39370079 = (in) Centimeters (cm) to meters (m) (cm) * 0.01 = (m) Centimeters (cm) to millimeters (mm) (cm) * 10 = (mm) Degrees (deg) to radians (rad) (deg) * 0.01745329 = (rad) Degrees Celsius (C) to degrees Fahrenheit (F) [(C) * 1.8] + 32 = (F) Degrees Celsius (C) to degrees Kelvin (K) (C) + 273.15 = (K) Degrees Celsius (C) to degrees Rankine (R) [(C) * 1.8] + 491.67 = (R) Degrees Fahrenheit (F) to degrees Celsius (C) [(F) - 32)] * 0.555556 = (C) Degrees Fahrenheit (F) to degrees Kelvin (K) [(F) * 0.555556] + 255.37 = (K) Degrees Fahrenheit (F) to degrees Rankine (R) (F) + 459.67 = (R) Degrees Kelvin (K) to degrees Celsius (C) (K) - 273.15 = (C) Degrees Kelvin (K) to degrees Fahrenheit (F) [(K) - 255.37] * 1.8 = (F) Degrees Kelvin (K) to degrees Rankine (R) (K) * 1.8 = (R) Degrees Rankine (R) to degrees Celsius (C) [(R) - 491.67] * 0.555556 = (C) Degrees Rankine (R) to degrees Fahrenheit (F) (R) - 459.67 = (F) Degrees Rankine (R) to degrees Kelvin (K) (R) * 0.555556 = (K) Feet (ft) to centimeters (cm) (ft) * 30.48 = (cm) Feet (ft) to meters (m) (ft) * 0.3048 = (m) Feet (ft) to miles (mi) (ft) * 0.000189393 = (mi) Feet/minute (ft/min) to meters/second (m/s) (ft/min) * 0.00508 = (m/s) Feet/minute (ft/min) to miles/hour (mph) (ft/min) * 0.01136363 = (mph) Feet/second (ft/s) to kilometers/hour (kph) (ft/s) * 1.09728 = (kph) Feet/second (ft/s) to knots (kt) (ft/s) * 0.5924838 = (kt) Feet/second (ft/s) to meters/second (m/s) (ft/s) * 0.3048 = (m/s) Feet/second (ft/s) to miles/hour (mph) (ft/s) * 0.681818 = (mph) Grams/cubic centimeter (gm/cm**3) to pounds/cubic foot (lb/ft**3) (gm/cm**3) * 62.427961 = (lb/ft**3) Grams/cubic meter (gm/m**3) to pounds/cubic foot (lb/ft**3) (gm/m**3) * 0.000062427961 = (lb/ft**3) Hectopascals (hPa) to millibars (mb) Nothing - they are equivalent units Inches (in) to centimeters (cm) (in) * 2.54 = (cm) Inches (in) to millimeters (mm) (in) * 25.4 = (mm) Inches of mercury @32°F (inHg32) to atmospheres (atm) (inHg32) * 0.0334211 = (atm) Inches of mercury @32°F (inHg32) to millibars (mb) (inHg32) * 33.8639 = (mb) Inches of mercury @32°F (inHg32) to pounds/square inch (lb/in**2) (inHg32) * 0.49115 = (lb/in**2) Inches of mercury @60°F (inHg60) to atmospheres (atm) (inHg60) * 0.0333269 = (atm) Inches of mercury @60°F (inHg60) to millibars (mb) (inHg60) * 33.7685 = (mb) Inches of mercury @60°F (inHg60) to pounds/square inch (lb/in**2) (inHg60) * 0.48977 = (lb/in**2) Kilograms/cubic meter (kg/m**3) to pounds/cubic foot (lb/ft**3) (kg/m**3) * 0.062427961 = (lb/ft**3) Kilograms/cubic meter (kg/m**3) to slugs/cubic foot (slug/ft**3) (kg/m**3) * 0.001940323 = (slug/ft**3) Kilometers (km) to meters (m) (km) * 1000 = (m) Kilometers (km) to miles (mi) (km) * 0.62137119 = (mi) Kilometers (km) to nautical miles (nmi) (km) * 0.5399568 = (nmi) Kilometers/hour (kph) to feet/second (ft/s) (kph) * 0.91134 = (ft/s) Kilometers/hour (kph) to knots (kt) (kph) * 0.5399568 = (kt) Kilometers/hour (kph) to meters/second (m/s) (kph) * 0.277777 = (m/s) Kilometers/hour (kph) to miles/hour (mph) (kph) * 0.62137119 = (mph) Kilopascals (kPa) to millibars (mb) (kPa) * 10 = (mb) Knots (kt) to feet/second (ft/s) (kt) * 1.6878099 = (ft/s) Knots (kt) to kilometers/hour (kph) (kt) * 1.852 = (kph) Knots (kt) to meters/second (m/s) (kt) * 0.514444 = (m/s) Knots (kt) to miles/hour (mph) (kt) * 1.1507794 = (mph) Knots (kt) to nautical miles/hour (nmph) Nothing - they are equivalent units Langleys/minute (ly/min) to watts/square meter (W/m**2) (ly/min) * 698.339 = (W/m**2) Meters (m) to centimeters (cm) (m) * 100 = (cm) Meters (m) to feet (ft) (m) * 3.2808399 = (ft) Meters (m) to kilometers (km) (m) * 0.001 = (km) Meters (m) to miles (mi) (m) * 0.00062137119 = (mi) Meters/second (m/s) to feet/minute (ft/min) (m/s) * 196.85039 = (ft/min) Meters/second (m/s) to feet/second (ft/s) (m/s) * 3.2808399 = (ft/s) Meters/second (m/s) to kilometers/hour (kph) (m/s) * 3.6 = (kph) Meters/second (m/s) to knots (kt) (m/s) * 1.943846 = (kt) Meters/second (m/s) to miles/hour (mph) (m/s) * 2.2369363 = (mph) Miles (mi) to feet (ft) (mi) * 5280 = (ft) Miles (mi) to kilometers (km) (mi) * 1.609344 = (km) Miles (mi) to meters (m) (mi) * 1609.344 = (m) Miles/hour (mph) to feet/minute (ft/min) (mph) * 88 = (ft/min) Miles/hour (mph) to feet/second (ft/s) (mph) * 1.466666 = (ft/s) Miles/hour (mph) to kilometers/hour (kph) (mph) * 1.609344 = (kph) Miles/hour (mph) to knots (kt) (mph) * 0.86897624 = (kt) Miles/hour (mph) to meters/second (m/s) (mph) * 0.44704 = (m/s) Millibars (mb) to atmospheres (atm) (mb) * 0.000986923 = (atm) Millibars (mb) to hectopascals (hPa) Nothing - they are equivalent units Millibars (mb) to inches of mercury @32°F (inHg32) (mb) * 0.02953 = (inHg32) Millibars (mb) to inches of mercury @60°F (inHg60) (mb) * 0.02961 = (inHg60) Millibars (mb) to kilopascals (kPa) (mb) * 0.1 = (kPa) Millibars (mb) to millimeters of mercury @32°F (mmHg) (mb) * 0.75006 = (mmHg) Millibars (mb) to millimeters of mercury @60°F (mmHg) (mb) * 0.75218 = (mmHg) Millibars (mb) to newtons/square meter (N/m**2) (mb) * 100 = (N/m**2) Millibars (mb) to pascals (Pa) (mb) * 100 = (Pa) Millibars (mb) to pounds/square foot (lb/ft**2) (mb) * 2.088543 = (lb/ft**2) Millibars (mb) to pounds/square inch (lb/in**2) (mb) * 0.0145038 = (lb/in**2) Millimeters (mm) to centimeters (cm) (mm) * 0.1 = (cm) Millimeters (mm) to inches (in) (mm) * 0.039370078 = (in) Millimeters of mercury @32°F (mmHg) to millibars (mb) (mmHg) * 1.33322 = (mb) Millimeters of mercury @60°F (mmHg) to millibars (mb) (mmHg) * 1.32947 = (mb) Nautical miles (nmi) to kilometers (km) (nmi) * 1.852 = (km) Nautical miles (nmi) to statute miles (mi) (nmi) * 1.1507794 = (mi) Nautical miles/hour (nmph) to knots (kt) Nothing - they are equivalent units Newtons/square meter (N/m**2) to millibars (mb) (N/m**2) * 0.01 = (mb) Pascals (Pa) to atmospheres (atm) (Pa) * 0.000009869 = (atm) Pascals (Pa) to millibars (mb) (Pa) * 0.01 = (mb) Pounds/cubic foot (lb/ft**3) to grams/cubic centimeter (gm/cm**3) (lb/ft**3) * 0.016018463 = (gm/cm**3) Pounds/cubic foot (lb/ft**3) to grams/cubic meter (gm/m**3) (lb/ft**3) * 16018.46327 = (gm/m**3) Pounds/cubic foot (lb/ft**3) to kilograms/cubic meter (kg/m**3) (lb/ft**3) * 16.018463 = (kg/m**3) Pounds/square foot (lb/ft**2) to millibars (mb) (lb/ft**2) * 0.478803 = (mb) Pounds/square inch (lb/in**2) to atmospheres (atm) (lb/in**2) * 0.068046 = (atm) Pounds/square inch (lb/in**2) to inches of mercury @32°F (inHg32) (lb/in**2) * 2.03602 = (inHg32) Pounds/square inch (lb/in**2) to inches of mercury @60°F (inHg60) (lb/in**2) * 2.04177 = (inHg60) Pounds/square inch (lb/in**2) to millibars (mb) (lb/in**2) * 68.9474483 = (mb) Radians (rad) to degrees (deg) (rad) * 57.29577951 = (deg) Slugs/cubic foot (slug/ft**3) to kilograms/cubic meter (kg/m**3) (slug/ft**3) * 515.378 = (kg/m**3) Statute miles (mi) to nautical miles (nmi) (mi) * 0.86897624 = (nmi) Watts/square meter (W/m**2) to langleys/minute (ly/min) (W/m**2) * 0.00143197 = (ly/min)