Formulary Air Restistance




Größen, die für die Berechnung des Luftwiderstands wichtig sind.

VehicleCross sectional areacW-WertAir resistance
at 100 km/h
Motor cycle
with trim		0,79 m²0,57224 N
Motor cycle
without trim		0,81 m²0,63254 N
Small car1,80 m²0,32287 N
Middle class2,00 m²0,28279 N

German version

A 0,8 · b · h


Check your calculation!     You need help?
Please enter numbers only in two of the three fields!
b Width mm cm dm m
h Height mm cm dm m
A Area mm² cm² dm² m²
Places behind the comma: 2 3 4 5

          A · · v² · cW
  FL =
                    2

FL · 2
A =        
· v² · cW

FL · 2
=        
cW · v² · A

FL · 2
cW =        
· v² · A


Check your calculation!     You need help?
Please enter numbers four in five of the four fields!
FL Air restistance N
A Cross sectional area m²
v Air speed m/s km/h
cW Drag coefficient
Density (air) kg/m³