Illuminance Converter

Convert between different illuminance units including lux, foot-candles, and phots.

Illuminance Converter
ready
$ convert --from [unit] --to [unit] --value [number]
$
>
formulas.ts

// Common Illuminance Converter Formulas

1const1 lux = 1 lumen/m²
2const1 foot-candle ≈ 10.764 lux
3const1 phot = 10,000 lux
references.json

// Common Illuminance Converter References

{
"Full Moonlight":"0.1-1 lux",
"Office Lighting":"300-500 lux",
"Overcast Day":"1000 lux",
"Direct Sunlight":"100000 lux"
}
README.md

## What is Illuminance Conversion?

Illuminance measures the amount of light falling on a surface, crucial for lighting design, photography, and workplace safety. Our converter handles units from SI (lux) to imperial (foot-candles) used in different regions and industries.

units.ts

// Common Illuminance Units Explained

export const Lux (lx)

// The SI unit of illuminance. One lux equals one lumen per square meter. Office lighting typically provides 300-500 lux.

export const Foot-candle (fc)

// Imperial unit common in the US. One foot-candle equals one lumen per square foot, approximately 10.76 lux.

export const Phot (ph)

// CGS unit equal to 10,000 lux. Rarely used today but found in older literature.

i

When to Use This Converter

Our illuminance converter is essential for lighting designers planning spaces, photographers setting exposures, workplace safety officers ensuring adequate lighting, and architects meeting building codes.

FAQ.md

## Frequently Asked Questions

01 ### Q: How much light do different activities need?

/**

Reading requires about 300-500 lux, detailed work needs 500-1000 lux, and surgery may require 10,000+ lux. Outdoor daylight can exceed 100,000 lux.

*/

02 ### Q: What is the difference between lumens and lux?

/**

Lumens measure total light output; lux measures light per area. A 1000-lumen bulb creates more lux in a small room than a large one.

*/