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Railway Curve Cant Calculator
Calculate the required cant (superelevation) for railway curves. Includes angle display, speed limit reverse calculation, and transition curve length.
mm
km/h
m
Equilibrium Cant
-
mm
Cant Angle
-
°
Transition Curve Length
-
m
Cant Deficiency
Deficiency when actual cant is less than equilibrium cant
mm → Cant Deficiency: -
Conventional line max deficiency: 60mm
Shinkansen max deficiency: 65mm
Reverse: Find Speed Limit
Calculate the speed limit from curve radius and set cant
m
mm
Speed Limit: - km/h
Formula: C = G × V² ÷ (127 × R)
G: gauge (mm), V: speed (km/h), R: curve radius (m)
Transition length = 0.01 × C(mm) × V(km/h)
Shinkansen max cant: 180mm
Conventional line max cant: 105mm
Note
The cant calculated here is the equilibrium cant. The actual cant to be set is determined considering allowable cant deficiency, maximum cant, transition curve length, and maintenance factors.
Jak używać
Select the track gauge, enter the speed and curve radius, and the required cant will be calculated automatically. Also supports angle display, reverse calculation, and transition curve length.
- Common gauge presets (standard, narrow, etc.)
- Equilibrium cant calculation
- Cant angle display
- Speed limit reverse calculation
- Transition curve length
- Cant deficiency display
- Max cant exceedance warning
Zastosowania
- Calculate cant for railway track design
- Design fictional railways (Minecraft, etc.)
- Verify against railway structure regulations
- Reverse calculate speed limits from radius and cant