Ladder Angle Calculator
Calculate the optimal and safe ladder angle based on height and distance. The 4:1 ratio rule ensures safety.
Ladder Setup
Vertical height from ground to support point
Distance from wall to ladder base
Total length of the ladder
Display units
Ladder Angle
0.0
°
4:1 Ratio
0.00
:1
Safe Reach
0.0
ft
Base Distance
0.0 ft
Height to Reach
0.0 ft
Ladder Length
0.0 ft
Recommended Base
0.0 ft
Safe Setup
Status
✓ Safe
75° ideal
Horizontal Reach
0.0
ft
Vertical Reach
0.0
ft
The 4:1 ratio means for every 4 feet of height, the base should be 1 foot from the wall.
Angle = arctan(Height / Base Distance)
Safe angle range: 70° - 75°