Enter the quantity of light emitted (lumens) and the light intensity (lumen/m^2) into the Optical Distance Calculator. The calculator will evaluate and display the Optical Distance.
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Optical Distance Formula
The following formula is used to calculate the Optical Distance.
D = SQRT (Q / E)
- Where D is the Optical Distance (m)
- Q is the quantity of light emitted (lumens)
- E is the light intensity (lumen/m^2)
How to Calculate Optical Distance?
The following example problems outline how to calculate Optical Distance.
Example Problem #1:
- First, determine the quantity of light emitted (lumens).
- The quantity of light emitted (lumens) is given as: 50.
- Next, determine the light intensity (lumen/m^2).
- The light intensity (lumen/m^2) is provided as: 20.
- Finally, calculate the Optical Distance using the equation above:
D = SQRT (Q / E)
The values given above are inserted into the equation below and the solution is calculated:
D = SQRT (50 / 20) = 1.581 (m)
Example Problem #2:
For this problem, the variables needed are provided below:
quantity of light emitted (lumens) = 70
light intensity (lumen/m^2) = 50
This example problem is a test of your knowledge on the subject. Use the calculator above to check your answer.
D = SQRT (Q / E) = ?
