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Convert Meter-candle [m*c] to Phot [ph]
Learn how to convert illuminance values from meter-candle (m*c), an older unit equal to lux, to phot (ph), a unit representing higher illumination levels used historically in photometry and lighting design.
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Meter-candle [m*c] to Phot [ph] Conversion Table
| Meter-candle [m*c] | Phot [ph] |
|---|
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] | Phot [ph] |
|---|
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What Is This Tool?
This tool helps you convert illumination measurements from meter-candle (m*c), a unit equal to lux, to phot (ph), an older unit used to express very bright lighting conditions. It is ideal for converting values between these two related but distinct units of illuminance.
How to Use This Tool?
- Enter the illuminance value in meter-candle (m*c).
- Select meter-candle as the input unit and phot as the output unit.
- Execute the conversion to see the equivalent phot value.
- Use the results to interpret or compare different lighting conditions.
Key Features
- Converts meter-candle [m*c], equivalent to lux, into phot [ph], a unit for high illuminance levels.
- Supports understanding of historical and modern lighting measurement systems.
- Provides clear conversion examples for practical use.
- Browser-based and easy to use without installation.
Examples
- 1000 Meter-candle [m*c] equals 0.1 Phot [ph].
- 500 Meter-candle [m*c] equals 0.05 Phot [ph].
Common Use Cases
- Translating illuminance levels from lux equivalents into units for very bright lighting scenarios.
- Interpreting historical photometry and lighting design documents that use phot units.
- Calibrating lighting measurements in photography, display testing, and studio environments.
- Specifying high indoor lighting conditions in film production and technical standards.
Tips & Best Practices
- Always verify the context as phot is a non-SI unit rarely used today.
- Remember that 1 phot equals 10,000 lux, indicating a large difference in scale from meter-candle.
- Use this conversion when dealing with very high illumination levels or historical data referencing phot.
Limitations
- Phot is an older, non-SI unit and may not be suitable for modern standards.
- Make sure you understand the difference in magnitude since phot represents much higher illumination levels than meter-candle.
- Context confirmation is essential before converting to ensure accuracy.
Frequently Asked Questions
- What is a meter-candle (m*c)?
- Meter-candle is an older illuminance unit equal to one lumen per square meter, numerically matching the lux unit.
- How much is one phot in lux?
- One phot equals 10,000 lux, representing very high illumination levels.
- Why convert from meter-candle to phot?
- Conversion helps translate standard illuminance values into units that express very bright lighting conditions or interpret historical lighting data.
Key Terminology
- Meter-candle (m*c)
- An older illuminance unit equal to one lumen per square meter, numerically the same as the lux.
- Phot (ph)
- A non-SI illuminance unit equal to one lumen per square centimeter, representing 10,000 lux and used historically for very bright light levels.
- Illuminance
- The measurement of the amount of light incident on a surface, typically expressed in units like lux, meter-candle, or phot.