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How to Convert from Lumen/square foot [lm/ft^2] to Lumen/square centimeter?
Learn how to convert illumination values from lumen per square foot to lumen per square centimeter with this easy-to-use unit converter. Understand the application contexts and conversion formula.
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Lumen/square foot [lm/ft^2] to Lumen/square centimeter Conversion Table
| Lumen/square foot [lm/ft^2] | Lumen/square centimeter |
|---|
Custom Unit Conversion Table Generator – Instant Printable Conversion Tables
Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
| Lumen/square foot [lm/ft^2] | Lumen/square centimeter |
|---|
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What Is This Tool?
This converter transforms illumination measurements from lumen per square foot to lumen per square centimeter, enabling users to adapt lighting data between larger surface areas and finer, smaller-scale measurements.
How to Use This Tool?
- Enter the illuminance value in lumen per square foot (lm/ft²).
- Choose the target unit lumen per square centimeter (lm/cm²).
- Click convert to receive the equivalent value in lumen per square centimeter based on the conversion factor.
Key Features
- Converts illuminance values between lm/ft² and lm/cm² accurately based on a defined conversion rate.
- Supports lighting measurement applications ranging from room illumination to microscopic surface analysis.
- Provides quick, browser-based calculations with straightforward input and output.
Examples
- 50 lm/ft² converts to 0.05381955 lm/cm².
- 100 lm/ft² converts to 0.1076391 lm/cm².
Common Use Cases
- Translating indoor lighting levels from large rooms to small display surfaces.
- Determining illumination on microscope slides or small sensors in laboratories.
- Calibrating brightness of high-power LEDs or LED dies in manufacturing.
Tips & Best Practices
- Use this tool to convert lighting measurements when moving between large and small scale illumination metrics.
- Consider surface reflectance and directional lighting effects as unit conversion alone does not capture all factors.
- Apply converted values carefully in applications requiring high precision, such as photometric calibrations.
Limitations
- Conversion does not account for surface reflectance or lighting directionality.
- Lumen/square foot is more appropriate for large-area lighting, whereas lumen/square centimeter fits small-scale, precise lighting tasks.
Frequently Asked Questions
- What does lumen per square foot measure?
- It measures the illuminance or luminous flux incident on a one-square-foot surface, commonly used for larger area lighting assessments.
- Why convert lumen per square foot to lumen per square centimeter?
- To compare or calibrate illumination on smaller surfaces like LEDs or microscope slides, where per-square-centimeter values are more relevant.
- Is the conversion between these units exact for all applications?
- No, while the conversion factor is defined, practical factors like reflectance and directional lighting affect actual illuminance.
Key Terminology
- Lumen per square foot [lm/ft²]
- A measure of illuminance representing the luminous flux (lumens) incident on one square foot of surface, commonly used in lighting practice.
- Lumen per square centimeter
- A photometric measure of illuminance indicating the luminous flux (lumens) falling on one square centimeter of surface, used for small-scale brightness measurements.
- Illuminance
- The luminous flux incident on a surface area, quantifying perceived brightness weighted by the human eye's response.