Online Illumination Units Converter
How to Convert from Lumen/square meter [lm/m^2] to Meter-candle [m*c]?

How to Convert from Lumen/square meter [lm/m^2] to Meter-candle [m*c]?

Learn how to convert illumination units from lumen per square meter to meter-candle effectively for lighting design, photography, horticulture, and historical data interpretation.

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Lumen/square meter [lm/m^2] to Meter-candle [m*c] Conversion Table

Lumen/square meter [lm/m^2] Meter-candle [m*c]

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 meter [lm/m^2] to Meter-candle [m*c] Conversion Table
Lumen/square meter [lm/m^2] Meter-candle [m*c]

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What Is This Tool?

This converter changes values between lumen per square meter and meter-candle, two units used to measure illuminance. Both units quantify visible light incident on a surface and are numerically equivalent. The tool helps bridge modern SI measurements and traditional units used in various lighting contexts.

How to Use This Tool?

  • Enter the value in lumen per square meter [lm/m^2].
  • Select meter-candle [m*c] as the target unit.
  • Click convert to see the equivalent value instantly.
  • Apply results for lighting, exposure, or horticultural planning.

Key Features

  • Converts between lumen/square meter and meter-candle with a direct one-to-one ratio.
  • Supports illuminance measurements applicable to lighting design, photography, and horticulture.
  • Aligns contemporary SI units with historical and industry-specific standards.
  • Browser-based and simple to use for quick unit conversions.

Examples

  • 50 lm/m^2 converts to 50 m*c
  • 300 lm/m^2 converts to 300 m*c

Common Use Cases

  • Specifying and verifying lighting levels in workspaces, classrooms, and public areas.
  • Setting exposure parameters for photography and cinematography.
  • Managing light delivery in horticulture and greenhouse environments.
  • Interpreting historical photometry or lighting literature that uses meter-candle units.
  • Calibrating illuminance measurements in professional photography and lighting design.

Tips & Best Practices

  • Double-check unit labels to avoid confusion between SI and legacy terminology.
  • Use this conversion to reconcile different lighting standards or historical data.
  • Apply converted values carefully when integrating with equipment specifying meter-candle units.
  • Remember the units are numerically identical; focus on proper unit communication.

Limitations

  • The main limitation is terminology differences rather than conversion accuracy.
  • Users must be cautious when handling documentation or tools referencing either unit to avoid misunderstandings.
  • Conversion does not change any numerical value; it only clarifies unit representation.

Frequently Asked Questions

Are lumen per square meter and meter-candle different units?
No, lumen per square meter and meter-candle are numerically equivalent units used to measure illuminance; they represent the same physical quantity with different terminologies.

Why convert between lumen per square meter and meter-candle?
Converting helps align modern SI measurements with older lighting standards or historical data using meter-candle units for consistent interpretation and application.

Can I use this converter for horticultural lighting?
Yes, the tool supports conversions relevant to managing light exposure for plants and greenhouse environments.

Key Terminology

Lumen per square meter [lm/m^2]
The SI derived unit of illuminance defined as one lumen of luminous flux uniformly incident on one square meter of surface, equivalent to lux.
Meter-candle [m*c]
An older illuminance unit equal to one lumen per square meter; represents the illuminance from a point source of one candela at one meter distance.
Illuminance
A measure of the amount of visible light falling onto a surface area.

Quick Knowledge Check

What does 1 lumen per square meter equal in meter-candle?
Which unit is considered older for measuring illuminance?
In which of the following fields would you commonly use this conversion?