Luminance Converter
Convert luminance measurements.
Popular Luminance Conversions
Complete List of Luminance Units for Conversion
1 Nit [nt] = 1.00000 Candela per Square Meter [cd/m²]
Nit to Candela per Square Meter, Candela per Square Meter to Nit
1 Kilocandela per Square Meter [kcd/m²] = 1000.00 Candela per Square Meter [cd/m²]
Kilocandela per Square Meter to Candela per Square Meter, Candela per Square Meter to Kilocandela per Square Meter
1 Candela per Square Centimeter [cd/cm²] = 10000.0 Candela per Square Meter [cd/m²]
Candela per Square Centimeter to Candela per Square Meter, Candela per Square Meter to Candela per Square Centimeter
1 Candela per Square Inch [cd/in²] = 1550.00 Candela per Square Meter [cd/m²]
Candela per Square Inch to Candela per Square Meter, Candela per Square Meter to Candela per Square Inch
1 Candela per Square Foot [cd/ft²] = 10.7639 Candela per Square Meter [cd/m²]
Candela per Square Foot to Candela per Square Meter, Candela per Square Meter to Candela per Square Foot
1 Lumen per Square Meter Steradian [lm/(m²·sr)] = 1.00000 Candela per Square Meter [cd/m²]
Lumen per Square Meter Steradian to Candela per Square Meter, Candela per Square Meter to Lumen per Square Meter Steradian
1 Lumen per Square Centimeter Steradian [lm/(cm²·sr)] = 10000.0 Candela per Square Meter [cd/m²]
Lumen per Square Centimeter Steradian to Candela per Square Meter, Candela per Square Meter to Lumen per Square Centimeter Steradian
1 Lumen per Square Foot Steradian [lm/(ft²·sr)] = 10.7639 Candela per Square Meter [cd/m²]
Lumen per Square Foot Steradian to Candela per Square Meter, Candela per Square Meter to Lumen per Square Foot Steradian
1 Watt per Square Centimeter Steradian (555 nm) [W/(cm²·sr)] = 6.83000e+6 Candela per Square Meter [cd/m²]
Watt per Square Centimeter Steradian (555 nm) to Candela per Square Meter, Candela per Square Meter to Watt per Square Centimeter Steradian (555 nm)
1 Stilb [sb] = 10000.0 Candela per Square Meter [cd/m²]
Stilb to Candela per Square Meter, Candela per Square Meter to Stilb
1 Apostilb [asb] = 0.318310 Candela per Square Meter [cd/m²]
Apostilb to Candela per Square Meter, Candela per Square Meter to Apostilb
1 Blondel [bl] = 0.318310 Candela per Square Meter [cd/m²]
Blondel to Candela per Square Meter, Candela per Square Meter to Blondel
1 Bril [bril] = 3.18310e-8 Candela per Square Meter [cd/m²]
Bril to Candela per Square Meter, Candela per Square Meter to Bril
1 Skot [sk] = 0.000318310 Candela per Square Meter [cd/m²]
Skot to Candela per Square Meter, Candela per Square Meter to Skot
1 Lambert [L] = 3183.10 Candela per Square Meter [cd/m²]
Lambert to Candela per Square Meter, Candela per Square Meter to Lambert
1 Millilambert [mL] = 3.18310 Candela per Square Meter [cd/m²]
Millilambert to Candela per Square Meter, Candela per Square Meter to Millilambert
1 Foot-lambert [fL] = 3.42626 Candela per Square Meter [cd/m²]
Foot-lambert to Candela per Square Meter, Candela per Square Meter to Foot-lambert
1 Millinit [mnt] = 0.00100000 Candela per Square Meter [cd/m²]
Millinit to Candela per Square Meter, Candela per Square Meter to Millinit
How this luminance converter works
Candela per Square Meter (cd/m²) is used as the internal base unit. Every value you enter is first converted to Candela per Square Meter using exact SI factors, then translated to the requested unit with the same data pulled from the SI Brochure and NIST SP 811.
Key luminance relationships
- 1 Nit = 1 Candela per Square Meter
- 1 Kilocandela per Square Meter = 1,000 Candela per Square Meter
- 1 Candela per Square Centimeter = 10,000 Candela per Square Meter
- 1 Candela per Square Inch = 1,550 Candela per Square Meter
- 1 Candela per Square Foot = 10.7639 Candela per Square Meter
Where luminance units are used
Lighting designers, display manufacturers, and imaging scientists track these optical quantities when tuning sensors, screens, and illumination systems. The luminance converter covers real-world units such as Candela per Square Meter and Nit, giving teams a trusted reference when cross-checking data between labs, suppliers, and regulatory filings.
Tips for accurate luminance conversions
- Always verify the unit symbol in your worksheet—this converter normalizes values through Candela per Square Meter, which is the SI reference for luminance measurements.
- When jumping between Candela per Square Meter and Nit, watch metric prefixes and rounding. A misplaced milli-, micro-, or kilo- prefix can produce errors of several orders of magnitude.
- Document the context (test conditions, instrument resolution, uncertainty) whenever you publish luminance conversions so coworkers and auditors can reproduce your results.