Home Back

High Bay Light Spacing Calculator

Light Spacing Formula:

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

ft²
units

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is a High Bay Light Spacing Calculator?

Definition: This calculator determines the optimal spacing between high bay lights based on the area to be illuminated and the number of lights available.

Purpose: It helps lighting designers, facility managers, and electricians achieve uniform illumination in large spaces like warehouses, gymnasiums, or industrial facilities.

2. How Does the Calculator Work?

The calculator uses the formula:

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

Where:

Explanation: The formula calculates the average area each light should cover, then determines the spacing needed to achieve this coverage.

3. Importance of Proper Light Spacing

Details: Correct spacing ensures uniform illumination, prevents dark spots, maximizes energy efficiency, and meets workplace lighting standards.

4. Using the Calculator

Tips: Enter the total area to be illuminated and the number of lights available. Both values must be positive numbers (lights must be ≥1).

5. Frequently Asked Questions (FAQ)

Q1: What's the ideal mounting height for high bay lights?
A: Typically 15-40 feet, but always consult manufacturer specifications for your specific fixtures.

Q2: Should spacing be equal in both directions?
A: Yes, for uniform illumination, maintain equal spacing in both length and width directions.

Q3: How does light output affect spacing?
A: Higher lumen output fixtures can be spaced farther apart. Adjust calculations based on lumens per fixture.

Q4: What about irregularly shaped areas?
A: For non-rectangular spaces, divide into rectangular sections or consult a lighting designer.

Q5: Does this account for light loss factors?
A: No, consider adding 10-20% more lights or reducing spacing for maintenance factors and light depreciation.

High Bay Light Spacing Calculator© - All Rights Reserved 2025