Governor Phil Murphy • Lt. Governor Tahesha Way

Department of Transportation

ADA Curb Ramp Calculator

U.S. Customary English Units

This program calculates the dimensions needed to design ADA curb ramps.
Input Parameters
Curb Height, H (inches): 
Curb Ramp Length, W (feet): 
Gutter Slope (%): 
Curb Ramp Width (feet): 
 Approach Swk. Trans. Slope (%): 
Sidewalk Cross Slope (%): 
Curb Ramp Flare Slope (%): 
Curb Ramp Slope (%): 


Notes:
  • U = Upper Side of Gutter Line Profile
  • L = Lower Side of Gutter Line Profile
  • NaN = Not a Number. All of the required parameters were not entered if NaN appears within one of the result fields.

Ramp Type 1
X1U :
X1L :
L1 :
Ramp Type 2
X1U :
X1L :
L1 :
Ramp Type 7
X1U :
X1L :
L1 :

Ramp Type 3
X1U : X2U :
X1L : X2L :
L1 : L2 :
Ramp Type 4
X1U : X2U :
X1L : X2L :
L1 : L2 :

Last updated date: October 8, 2020 1:23 PM