Light converters
Luminance, illumination, image resolution, frequency.
Luminance Convert luminance: cd/m², stilb, foot-lambert, nit. Luminous Intensity Convert luminous intensity: candela, candlepower. Illumination Convert illuminance: lux, foot-candle, phot. Digital Image Resolution Convert image resolution: DPI, dot/cm, dot/m. Frequency Wavelength Convert between frequency (Hz) and wavelength (m, nm) via λ = c/f.