Online calculator to transform feet per 2nd to miles every hour (ft/s to mph) through formulas, examples, and also tables. Our conversions provide a quick and also easy way to convert in between Speed or Velocity units.

You are watching: 40 ft/s to mph


Conversion Calculator


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How to convert ft/s come mph: enter a value in the ft/s field and also click ~ above the "Calculate mph" button. Her answer will show up in the mph field.


Conversion Definitions


The following is a list of meanings relating come conversions between feet per second and miles per hour.

What is feet per 2nd (ft/s)?

Feet per second is a unit of speed or Velocity in both us Customary Units as well as the royal System. It measures the variety of feet traveled in a second. The symbol because that feet per second is ft/s. There room 1.46666667 ft/s in mph.

What is miles per hour (mph)?

Miles per hour is a unit of rate or Velocity in both us Customary Units and also the imperial System. It measures the variety of miles travel in an hour. The symbol for miles per hour is mph. There space 0.68181818 mph in ft/s.


Conversion Formula


Let"s take it a closer look in ~ the counter formula so the you deserve to do these conversions yourself with a calculator or v an old-fashioned pencil and also paper.

The formula to convert from ft/s come mph is:

mph = ft/s ÷ 1.46666667

Conversion Example


Next, let"s look at an example showing the work and also calculations the are involved in converting from feet per 2nd to miles per hour (ft/s come mph).

Feet per second to Miles every hour conversion Example

Task: convert 250 feet per 2nd to miles per hour (show work)Formula:ft/s ÷ 1.46666667 = mphCalculations:250 ft/s ÷ 1.46666667 = 170.45454507 mphResult:250 ft/s is equal to 170.45454507 mph
For fast reference purposes, listed below is a switch table that you can use to transform from ft/s come mph.


The adhering to tables administer a an introduction of the rate or Velocity systems (Per Hour, per Minute, Per 2nd and every Millisecond) within their particular measurement systems.

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Per Hour

UnitSymbolMeasurement SystemDescription
inches every hourin/hUS Customary Units/Imperial System36 in/h = 1 yd/h
feet every hourft/hUS Customary Units/Imperial System1 ft/h = 12 in/h
yards per houryd/hUS Customary Units/Imperial System1 yd/h = 3 ft/h
miles every hourmphUS Customary Units/Imperial System1 mph = 5280 ft/h
millimeters every hourmm/hMetric System1 m/h = 1000 mm/h
centimeters every hourcm/hMetric System1 m/h = 100 cm/h
decimeters every hourdm/hMetric System1 m/h = 10 dm/h
meters every hourm/hMetric Systembase unit
kilometers every hourkm/hMetric System1 km/h = 1000 m/h
knotknNon-SI (International)1 node = 1.15078 mph

Per Minute

UnitSymbolMeasurement SystemDescription
inches every minutein/mUS Customary Units/Imperial System36 in/m = 1 yd/m
feet every minuteft/mUS Customary Units/Imperial System1 ft/m = 12 in/m
yards every minuteyd/mUS Customary Units/Imperial System1 yd/m = 3 ft/m
miles per minutemi/mUS Customary Units/Imperial System1 mi/m = 5280 ft/m
millimeters per minutemm/mMetric System1 m/m = 1000 mm/m
centimeters every minutecm/mMetric System1 m/m = 100 cm/m
decimeters every minutedm/mMetric System1 m/m = 10 dm/m
meters per minutem/mMetric Systembase unit
kilometers every minutekm/mMetric System1 km/m = 1000 m/m

Per Second

UnitSymbolMeasurement SystemDescription
inches every secondin/sUS Customary Units/Imperial System36 in/s = 1 yd/s
feet per secondft/sUS Customary Units/Imperial System1 ft/s = 12 in/s
yards every secondyd/sUS Customary Units/Imperial System1 yd/s = 3 ft/s
miles every secondmi/sUS Customary Units/Imperial System1 mi/s = 5280 ft/s
millimeters per secondmm/sMetric System1 m/s = 1000 mm/s
centimeters every secondcm/sMetric System1 m/s = 100 cm/s
decimeters per seconddm/sMetric System1 m/s = 10 dm/s
meters every secondm/sMetric Systembase unit
kilometers per secondkm/sMetric System1 km/s = 1000 m/s

Per Millisecond

UnitSymbolMeasurement SystemDescription
millimeters every millisecondmm/msMetric System1 m/ms = 1000 mm/ms
centimeters every millisecondcm/msMetric System1 m/ms = 100 cm/ms
decimeters every milliseconddm/msMetric System1 m/ms = 10 dm/ms
meters per millisecondm/msMetric Systembase unit
kilometers every millisecondkm/msMetric System1 km/ms = 1000 m/ms

Note: For speed or Velocity conversions, us Customary Units and also the royal System room equivalent.


Type--Please select--AngleAreaColorData RatesDigital StorageEnergyFrequencyFuel EconomyLength / DistancePower / ElectricityPressureSpeed / VelocityTemperatureTimeVolumeWeight / Mass
From--Please select--Centimeters per hourCentimeters every millisecondCentimeters every minuteCentimeters per secondDecimeters per hourDecimeters every millisecondDecimeters every minuteDecimeters every secondFeet per hourFeet every minuteFeet every secondInches per hourInches per minuteInches every secondKilometers every hourKilometers every microsecondKilometers per millisecondKilometers every minuteKilometers every secondKnotMeters per hourMeters every millisecondMeters every minuteMeters per secondMiles per hourMiles per minuteMiles every secondMillimeters every hourMillimeters every millisecondMillimeters per minuteMillimeters per secondYards per hourYards every minuteYards per second
To--Please select--Centimeters every secondDecimeters every secondFeet every minuteInches every secondKilometers per hourKilometers per secondMeters every secondMiles every hourMiles every secondMillimeters every secondYards every second