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Illuminance Converter

Quick answer

This calculator converts between all 5 illuminance units on one page: pick the units, type a value, and get the exact result instantly, with formula and quick table.

Figures are estimates from this calculator’s standard formula — adjust the inputs in the tool below for your exact number.

Indata

Resultat

Foot-candles
0.09290304
1 Lux = 0.09290304 Foot-candles

Quick conversion table

LuxFoot-candles
10.09290304
20.18580608
50.4645152
100.9290304
201.8580608
504.645152
1009.290304

Most-used conversions

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Användningssteg

värde × unit factor, converted through the domain base unit

This hub converts between all 5 illuminance units on one page. Pick the from/to units, type a värde, och the exact resultat appears direkt med the konvertering factor; swap the direction med one tap och check the quick table för common värden.

  1. 1

    Steg 1

    Skriv talet du vill konvertera.

  2. 2

    Steg 2

    När du angett värdena klickar du på « Beräkna » för att visa resultatet.

  3. 3

    Steg 3

    Använd resultatet med tanke på sammanhanget och enheterna.

Användningsområden

Any illuminance pair, one page

Instead of a separate page for every unit pair, this hub answers any of the illuminance combinations instantly — select the two units and read the exact converted value with its factor.

Quick reference table

The built-in table lists the most common values in the current direction, so everyday figures are one glance away without re-typing them.

Tips

  • 1

    Note whether the unit is affine (e.g. temperature).

  • 2

    Confirm the direction of conversion (from → to).

  • 3

    Keep significant figures appropriate to your data.

Vanliga misstag

  • Mixing units from different measurement families — only units of the same domain convert here.

  • Copying a result after changing the units without checking that the value field still holds the number you meant.

Vanliga frågor

Which illuminance units can I convert here?

All 5 of them — select any unit in both dropdowns and the conversion uses each unit's exact reference factor.

Is the result exact?

Yes: the conversion goes through the domain base unit with the standard reference factors, so results match reference tables rather than rounded approximations.

Can I convert in the opposite direction?

Tap the swap button — the from/to units exchange places and the same value is converted back instantly.