Formulary Travelling speed

All the values are needed to calculate the 
travelling speed ...

German 
version

        2 · rdyn · · nA · 60
v =
       1000

              v · 1000
rdyn =
           2 · · nA · 60

      v · 1000
nA =
        2 · · rdyn · 60

Check your calculation!     You need help?
Please enter numbers only in two of the three fields!
nA Drive axle speed 1/min
rdyn Radius m
v travellng speed km/h

        2 · rdyn · · nM · 60
v =
          iG · iA · 1000

          v · iG · iA · 1000
rdyn =
            2 · · nM · 60

          v · iG · iA · 1000
nM =
        2 · · rdyn · 60

Check your calculation!     You need help?
Please enter numbers only in two of the three fields!
nM Engine speed 1/min
rdyn Radius m
iG Transmission ratio
iA Axle drive ratio
v travelling speed km/h