What Is This Tool?
This converter helps transform illuminance values from foot-candles, a common North American unit, into meter-candles, which correspond to the SI unit lux and are widely used internationally.
How to Use This Tool?
-
Enter the value in foot-candles you want to convert
-
Select foot-candle [ft*c, fc] as the input unit
-
Choose meter-candle [m*c] as the output unit
-
Click convert to see the equivalent illuminance in meter-candles
Key Features
-
Converts illumination values from foot-candle [ft*c, fc] to meter-candle [m*c]
-
Based on the exact conversion rate relating foot-candles to meter-candles
-
Supports lighting design, photography, horticulture, and building code applications
-
Easy and quick browser-based tool with clear unit definitions
Examples
-
2 foot-candles equals 21.5278 meter-candles
-
5 foot-candles equals 53.8195 meter-candles
Common Use Cases
-
Specifying lighting levels in offices, retail, and horticultural environments
-
Calibrating and interpreting illumination measurements in photography and film
-
Comparing lighting designs using international standard units
-
Assessing compliance with building codes involving lighting
Tips & Best Practices
-
Double-check unit selection before converting to avoid errors
-
Use the meter-candle results for internationally recognized lighting standards
-
Be aware of context-specific lighting requirements when interpreting values
-
Remember that foot-candle is mostly used in North America, so conversion helps wider understanding
Limitations
-
Foot-candle is a non-SI unit and may cause confusion outside North America
-
Meter-candle is an older term mostly replaced by lux, affecting terminology consistency
-
Conversion precision depends on measurement details like geometry and surface reflectance
Frequently Asked Questions
-
What is a foot-candle?
-
A foot-candle is a unit of illuminance representing one lumen per square foot, commonly used in North America.
-
How does a meter-candle relate to lux?
-
The meter-candle equals one lumen per square metre and is numerically the same as one lux.
-
Why convert foot-candles to meter-candles?
-
Conversion enables use of the SI-equivalent unit for international comparisons and calibration.
Key Terminology
-
Foot-candle [ft*c, fc]
-
A non-SI illuminance unit equal to one lumen per square foot; commonly used in North America.
-
Meter-candle [m*c]
-
An older illuminance unit equal to one lumen per square metre, numerically equivalent to lux.
-
Illuminance
-
The measure of luminous flux incident on a surface area.