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How to Convert from Meter-candle [m*c] to Watt/sq. cm (at 555 nm)?
Convert illumination values from meter-candle (m*c) to watt per square centimeter at 555 nm using this precise online unit converter. Understand key units, applications, and examples for photometry and lighting design.
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Meter-candle [m*c] to Watt/sq. cm (at 555 nm) Conversion Table
| Meter-candle [m*c] | Watt/sq. cm (at 555 nm) |
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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.
| Meter-candle [m*c] | Watt/sq. cm (at 555 nm) |
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- How to convert from meter-candle [m*c] to watt/sq. cm (at 555 nm)?
What Is This Tool?
This unit converter transforms values from meter-candle, an illuminance unit, to watt per square centimeter at 555 nm, a radiometric irradiance measure. It is useful for translating lighting measurements into scientific and calibration contexts, especially where green light at 555 nm is involved.
How to Use This Tool?
- Enter the value in meter-candle [m*c] you wish to convert.
- Select meter-candle as the input unit and watt/sq. cm (at 555 nm) as the output unit.
- Initiate the conversion process to get the equivalent radiant power per unit area.
- Review the result, which reflects monochromatic irradiance at 555 nm based on the input illuminance.
- Use the converted value for calibration, design, or scientific analysis as needed.
Key Features
- Converts meter-candle illuminance to watt/sq. cm irradiance at 555 nm wavelength.
- Supports applications in lighting design, vision science, and photobiological safety.
- Includes precise conversion factors based on established unit definitions.
- Browser-based tool with easy input and output of values.
- Provides example conversions for quick reference.
Examples
- 100 meter-candle [m*c] converts to 1.4641288433382e-5 watt/sq. cm (at 555 nm).
- 500 meter-candle [m*c] converts to 7.320644216691e-5 watt/sq. cm (at 555 nm).
Common Use Cases
- Specifying or comparing lighting levels in rooms or worksurfaces using meter-candle and converting to radiometric units.
- Calibrating light sources and photometers by converting illuminance to monochromatic irradiance at 555 nm.
- Conducting vision science and psychophysics experiments targeting the photopic sensitivity peak of the human eye.
- Evaluating exposure levels and safety limits for green light sources in photobiological testing.
Tips & Best Practices
- Ensure your light source corresponds to monochromatic emission at 555 nm for accurate conversions.
- Use this converter to translate human visual response measurements into physical radiant power units.
- Double-check unit selections before converting to prevent errors in scientific calculations.
- Refer to example values to verify the output aligns with expected ranges for your input data.
Limitations
- The conversion applies only to monochromatic light strictly at 555 nm; other wavelengths may yield inaccurate results.
- Meter-candle measures illuminance as perceived by human vision, while watt/sq. cm (at 555 nm) measures physical radiant power, requiring contextual interpretation.
- Polychromatic or mixed light sources are not supported for precise conversion using this tool.
Frequently Asked Questions
- What does meter-candle measure?
- Meter-candle is an older unit of illuminance equal to one lumen per square meter, numerically equivalent to lux. It quantifies the illumination on a surface from a point source of one candela at one meter.
- Why use watt/sq. cm at 555 nm as a unit?
- Watt/sq. cm at 555 nm measures radiant power per area at a specific wavelength corresponding to peak human photopic sensitivity, important for precise radiometric and vision science applications.
- Can I use this converter for polychromatic light?
- No, this tool is designed for monochromatic light at exactly 555 nm. Using it for polychromatic or other wavelengths will reduce conversion accuracy.
Key Terminology
- Meter-candle [m*c]
- An older illuminance unit equal to one lumen per square meter, representing illumination from a one candela source at one meter, equivalent to the SI lux.
- Watt/sq. cm (at 555 nm)
- A radiometric unit measuring radiant power per square centimeter at the specific wavelength of 555 nm, corresponding to the peak of human photopic luminous efficiency.
- Illuminance
- A measure of luminous flux per unit area, indicating how much light is received on a surface.
- Radiometric irradiance
- The physical measurement of radiant power incident per unit area, regardless of human visual response.