Unit Converters
Illuminance Converter
Illuminance Converter switches a light-level reading between lux (the metric/SI unit) and foot-candles (the imperial unit).
Useful for photography, lighting design and comparing light-meter readings that use different unit systems.
How to Use the Illuminance Converter
- Open the Illuminance Converter tool.
- Enter the illuminance value you want to convert.
- Choose the unit you're converting from.
- Choose the unit you want to convert to.
- Read the converted result, updated instantly.
Frequently Asked Questions
What is lux used for?
Lux measures how much light falls on a surface -- it's commonly used to specify recommended lighting levels for offices, warehouses and photography.
How many lux is 1 foot-candle?
1 foot-candle equals approximately 10.7639 lux.
Is this suitable for professional lighting design?
It's accurate for general reference; for certified lighting design work, always cross-check with a calibrated light meter and relevant standards.
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