Measurement Conversions Quiz

Time Conversions

• 1 hour = 3600 seconds
• 1 day = 8.64 x 10⁴ seconds
• 1 year = 3.1536 x 10⁷ seconds

Length Conversions

• 1 foot = 0.3048 meters
• 1 kilometer = 1000 meters
• 1 mile = 1.609 kilometers
• 1 centimeter = 10^-2 meters

Velocity Conversions

• 1 foot per second = 0.3048 meters/second
• 1 kilometer per hour = 0.278 meters/second
• 1 mile per hour = 0.447 meters/second

Area Conversions

• 1 square foot = 0.0929 square meters
• 1 square mile = 2.589 square kilometers = 2.589 x 10⁶ square meters
• 1 square mile = 640 acres
• 1 acre = 4047 square meters
• 1 hectare = 1 x 10⁴ square meters
• 1 millidarcy = 0.986923 x 10^-12 square meters
• 1 darcy = 0.986923 x 10^-9 square meters
• 1 barn = 1 x 10^-28 square meters

Volume Conversions

• 1 liter = 0.001 cubic meters
• 1 cubic foot = 2.83 x 10^-2 cubic meters
• 1 standard cubic foot = 1 cubic foot at standard conditions
• 1 acre-foot = 1233.5 cubic meters
• 1 barrel = 0.1589 cubic meters
• 1 gallon (US liquid) = 3.785 x 10^-3 cubic meters
• 1 barrel = 42 gallons= 0.1589 cubic meters
• 1 barrel = 5.6148 cubic feet
• 1 cubic centimeter = 1 x 10^-6 cubic meters
• 1 cubic centimeter = 3.534 x 10^-5 cubic feet

Mass Conversions

• 1 gram = 0.001 kilogram
• 1 pound (avoirdupois) = 0.453592 kilogram
• 1 tonne = 1000 kilograms

Mass Density Conversions

• 1 gram/cubic centimeter = 1000 kilograms/cubic meter

Force Conversions

• 1 pound-force = 4.4482 Newtons

Pressure Conversions

• 1 pascal = 1 Newton/square meter = 1 kilogram/(meter·second²)
• 1 megapascal = 10⁶ pascals
• 1 gigapascal = 10⁹ pascals
• 1 pound-force per square inch = 6894.8 pascals
• 1 atmosphere = 1.01325 x 10⁵ pascals
• 1 atmosphere = 14.7 pounds-force per square inch
• 1 bar = 14.5 pounds-force per square inch = 0.1 megapascals
• 1 megapascal = 145 pounds-force per square inch

Energy Conversions

(Numerous energy conversions are listed)

Power Conversions

• 1 watt = 1 joule/second
• 1 megawatt = 10⁶ watts = 10⁶ joules/second
• 1 kilowatt-hour per year = 0.114 watts = 0.114 joules/second
• 1 horsepower = 745.7 watts
• 1 horsepower = 33,000 ft·lbf/minute

Viscosity Conversions

• 1 centipoise = 0.001 Pascal-seconds
• 1 mPa·s = 0.001 Pa·s = 1 cp = 10^-3 Pa·s
• 1 poise = 100 centipoise = 0.1 Pascal-seconds

Radioactivity Conversions

• 1 curie = 3.7 x 10¹⁰ decays per second
• 1 roentgen = 2.58 x 10^-4 Coulomb/kilogram
• 1 radiation absorbed dose = 100 erg/gram = 0.01 J/kg
• 1 gray = 1 joule/kilogram
• 100 rems = 1 sievert

Temperature Conversions

• Kelvin to centigrade: °C = °K − 273.15
• Centigrade to Fahrenheit: °F = (9/5)°C + 32
• Rankine to Fahrenheit: °F = °R − 460
• Rankine to Kelvin: °K = (5/9)°R

Volumetric Flow Rate

• 1 cubic centimeters/second = 1 cubic centimeters/second = 10^-6 cubic meters/second
• 1 cubic centimeters/second = 3.053 cubic feet/day = 0.5437 barrels/day
• 1 barrel/day = 1.839 cubic centimeters/second