Rapid Tools Online
HomeBlogUnit ConvertersJWTNotepadCalendarImage ResizerContact

Luminance Converter

✨ Convert between luminance units with precision and ease. Your ultimate companion for lighting design and photometry! 💡

📏 From
🎯 To
Enter a value to see the result
Common Conversions
Quick access to frequently used conversions
Unit Information

SI Units

International System of Units (SI) measurements

cd/m²
si
Candela per Square Meter
SI base unit for luminance (1 cd/m² = 1 nit)
nt
si
Nit
Alternative name for cd/m², commonly used in display technology

CGS Units

Centimeter-gram-second system units

sb
cgs
Stilb
CGS unit: 1 stilb = 10,000 cd/m²
L
cgs
Lambert
CGS unit: 1 lambert = 3,183.099 cd/m²
fL
cgs
Foot-Lambert
Imperial unit: 1 foot-lambert = 3.426 cd/m²
asb
cgs
Apostilb
CGS unit: 1 apostilb = 0.318 cd/m²

Imperial Units

Traditional British and American measurements

cd/ft²
imperial
Candela per Square Foot
Imperial unit: 1 cd/ft² = 10.764 cd/m²
cd/in²
imperial
Candela per Square Inch
Imperial unit: 1 cd/in² = 1,550 cd/m²

Specialized Units

Domain-specific measurements

bril
specialized
Bril
Very small luminance unit: 1 bril = 3.18×10⁻⁷ cd/m²
skot
specialized
Skot
Small luminance unit: 1 skot = 3.18×10⁻⁴ cd/m²
mL
specialized
Millilambert
1/1000 of a lambert = 3.183 cd/m²
mfL
specialized
Millifoot-Lambert
1/1000 of a foot-lambert = 0.00343 cd/m²
Preferences

Luminance Converter

Our Luminance Converter provides accurate conversions between different luminance units used in lighting design and photometry. Whether you're working with SI units like candela per square meter, CGS units like stilb and lambert, or specialized units like foot-lambert, this tool delivers precise results instantly.

Supported Unit Categories:

  • SI Units: Candela per square meter (cd/m²), Nit (nt)
  • CGS Units: Stilb (sb), Lambert (L), Foot-lambert (fL), Apostilb (asb)
  • Imperial Units: Candela per square foot (cd/ft²), Candela per square inch (cd/in²)
  • Specialized Units: Bril, Skot, Millilambert, Millifoot-lambert

Common Conversions:

  • 1 nit = 1 cd/m² = 0.2919 foot-lambert
  • 1 stilb = 10,000 cd/m² = 2,919 foot-lambert
  • 1 lambert = 3,183.1 cd/m² = 929.0 foot-lambert
  • 1 foot-lambert = 3.426 cd/m² = 3.426 nit

How to Use:

  1. Enter the value you want to convert in the input field
  2. Select the source unit from the "From" dropdown
  3. Select the target unit from the "To" dropdown
  4. View the converted result instantly
  5. Use the swap button to quickly reverse the conversion

Applications:

This luminance converter is essential for lighting designers, architects, photographers, display engineers, and anyone working with light measurement. It's particularly useful for screen calibration, lighting design, photography, and scientific research involving light intensity measurements.

🔄 Workflow Suggestion

Try combining multiple tools for a complete workflow. For example: Notepad → Text Encryption → Save to Cloud or Date Calculator → Calendar → Countdown Timer

Related Tools & Recommendations

💡 You might also need

Base64 Encode/Decode

Convert text to Base64 format and decode Base64 strings

Smart recommendation

JSON Formatter & Validator

Format, validate, and minify JSON data with syntax highlighting and error detection

Smart recommendation

YAML ⇄ JSON Converter

Convert between YAML and JSON formats with validation and formatting

Smart recommendation

📁 More Light Converters Tools

Radiance/Irradiance Converter

Convert between W/m², mW/cm², BTU/hr·ft², cal/cm²·min, erg/cm²·s, and solar flux units. Essential for optics, solar energy, and environmental science

Luminous Intensity Converter

Convert between luminous intensity units including candela, lumen/steradian, and more. Essential for lighting design and photometry

Illumination Converter

Convert between illumination units including lux, foot-candle, phot, and more. Essential for lighting design and photometry

Send Feedback

We'd love to hear your thoughts! Your feedback helps us improve our tools and create a better experience for everyone.

Share Your Experience

Tell us what you think about this tool

Your feedback helps us improve and create better tools for everyone