Lux to Lumen/m² Converter
Convert luxes to lumen/m²s (lx to lm/m²) instantly with this free online illuminance converter. Enter any value in the Lux field and get the equivalent in Lumen/m² immediately. This converter handles any quantity — from tiny fractions to large numbers — with full precision. No signup, no ads in the widget, and the conversion runs entirely in your browser for instant results. Use the swap button to reverse the direction and convert lumen/m²s back to luxes. You can also switch between any other units in the illuminance category using the dropdown menus.
Formula
Lux to Lumen/m² conversion: Result = Input × conversion factor The conversion factor is the ratio between the two units. See the Formula row in the tool for the exact factor used.
Example
Example: Convert 10 lx to lm/m² Enter 10 in the Lux field. The result in Lumen/m² (lm/m²) is calculated instantly. Use the swap button to convert back from lm/m² to lx.
How to Use
- Enter the value you want to convert in the Lux field
- The result in Lumen/m² appears instantly below
- Use the dropdown menus to change units if needed
- Click 'Swap Units' to reverse the conversion direction
- Copy the result or adjust the input for a new conversion
Frequently Asked Questions
How do I convert luxes to lumen/m²s?
Enter the value in Lux (lx) in the 'From' field. The equivalent in Lumen/m² (lm/m²) appears instantly in the 'To' field. The converter uses precise conversion factors and updates in real time as you type.
What is the formula to convert lx to lm/m²?
The conversion factor is shown in the Formula row below the result. For most illuminance units, the conversion is a simple multiplication or division by a fixed factor. Temperature and fuel economy use special formulas, which are also displayed.
Is this Lux to Lumen/m² converter free?
Yes, completely free with no signup, no limits, and no ads in the converter widget. You can convert as many values as you need. The tool runs entirely in your browser, so your data never leaves your device.
Can I convert lumen/m²s back to luxes?
Yes. Click the 'Swap Units' button to reverse the direction. You can also use the dropdown menus to select any other illuminance unit for either field.
How accurate is the lx to lm/m² conversion?
The converter uses high-precision conversion factors (up to 8 decimal places). Results are displayed with up to 6 decimal places, with trailing zeros removed for readability. For scientific or engineering work, always verify with official standards.