Why use mireds instead of Kelvin for lighting gels?

A fixed mired shift (like +20 mireds) produces a roughly constant, visually equal color shift regardless of the starting temperature, while the same Kelvin shift looks very different at low versus high temperatures.

How do I convert mireds back to Kelvin?

Use the same formula in reverse: Kelvin = 1,000,000 / Mired, since the relationship between the two units is a simple reciprocal.

Color Temperature Mired Calculator

Convert color temperature between Kelvin and mireds (micro reciprocal degrees). Mireds are commonly used in photography and lighting design because equal mired shifts produce visually equal color shifts, unlike equal Kelvin shifts.

Inputs

Results

Mired Value: 333.3 mireds

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Formula

Mired = 1,000,000 / Kelvin

Learn How This Works

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