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LED Downlight Spacing Calculator

Downlight Spacing Formula:

\[ Spacing = \sqrt{\frac{Area}{Number\ of\ Lights}} \]

ft²
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1. What is an LED Downlight Spacing Calculator?

Definition: This calculator determines the optimal spacing between LED downlights based on room area and number of fixtures.

Purpose: It helps achieve uniform lighting distribution in residential and commercial spaces.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ Spacing = \sqrt{\frac{Area}{Number\ of\ Lights}} \]

Where:

Explanation: The formula calculates the square root of the area per light to ensure even distribution.

3. Importance of Proper Downlight Spacing

Details: Correct spacing prevents dark spots, reduces glare, and creates balanced illumination while optimizing energy efficiency.

4. Using the Calculator

Tips: Enter the room area in square feet and the total number of downlights. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Should I measure in feet or meters?
A: Use consistent units (all feet or all meters). The calculator defaults to feet.

Q2: What's the ideal number of downlights for a room?
A: As a rule of thumb, one downlight per 4-6 sq ft for general lighting, but this varies by lumen output.

Q3: How does ceiling height affect spacing?
A: Higher ceilings may require closer spacing or higher lumen fixtures to maintain light levels at floor level.

Q4: Should I adjust spacing near walls?
A: Yes, typically place the first row of lights 3-4 feet from walls to avoid creating shadows.

Q5: Can I use this for other light types?
A: This works best for downlights. Track lighting or pendants may require different calculations.

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