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Car Ramp Calculator

Car Ramp Equation:

\[ length = \frac{height}{\sin(angle)} \]

feet
degrees

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1. What is the Car Ramp Length Calculation?

The car ramp length calculation determines the minimum length needed for a ramp to safely elevate a vehicle to a specific height at a given angle. This ensures proper clearance and safe vehicle loading.

2. How Does the Calculator Work?

The calculator uses the ramp equation:

\[ length = \frac{height}{\sin(angle)} \]

Where:

Explanation: The steeper the angle, the shorter the ramp needs to be, but practical safety considerations limit maximum recommended angles.

3. Importance of Proper Ramp Length

Details: Proper ramp length prevents vehicle scraping, ensures safe loading angles, and maintains stability during use. Too steep angles can cause accidents.

4. Using the Calculator

Tips: Enter height in feet and angle in degrees (typically between 10-30 degrees for car ramps). All values must be valid (height > 0, angle between 1-89 degrees).

5. Frequently Asked Questions (FAQ)

Q1: What's the recommended angle for car ramps?
A: Most vehicle ramps use angles between 10-30 degrees. Lower angles are safer but require longer ramps.

Q2: How does ramp material affect the calculation?
A: The calculation is purely geometric. Material affects weight capacity and traction but not minimum length.

Q3: Should I add extra length to the calculated value?
A: Yes, adding 10-20% extra length provides safety margin for approach and departure angles.

Q4: Can this be used for wheelchair ramps?
A: The math is the same, but wheelchair ramps typically use much shallower angles (≤7.5° for ADA compliance).

Q5: How do I measure the angle of my existing ramp?
A: Use an angle finder tool or measure rise/run and calculate arctan(rise/run).

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