Convert Lumens to Microlumens
Input the number of lumens you want to convert to microlumens.
How to Convert Lumens to Microlumens
The lumen and microlumen are both units of luminous flux. By definition, 1 lumen equals exactly 1000000 microlumens. This means to convert lumens to microlumens, you multiply by 1000000.
Formula
Step-by-Step Example
Convert 5 lm to microlumens:
We need to convert lumens to microlumens
Since 1 lm = 1000000 μlm, multiply by 1000000
5 × 1000000 = 5000000
5 lm = 5000000 μlm
Lumen to Microlumen Conversion Table
Quick reference table for common lumen to microlumen conversions. Click any value for detailed calculation.
| Lumens (lm) | Microlumens (μlm) |
|---|---|
| 0.1 lm | 100000 μlm |
| 0.5 lm | 500000 μlm |
| 1 lm | 1000000 μlm |
| 2 lm | 2000000 μlm |
| 5 lm | 5000000 μlm |
| 10 lm | 10000000 μlm |
| 25 lm | 25000000 μlm |
| 50 lm | 50000000 μlm |
| 100 lm | 100000000 μlm |
About These Units
Lumen (lm)
The lumen (lm) is the SI unit of luminous flux, measuring total visible light output from a source. Common bulb outputs: 40W incandescent ≈ 450 lm, 60W equivalent LED ≈ 800 lm, 100W equivalent ≈ 1,600 lm. Projector: 3,000-10,000 lm. One lumen = one candela × one steradian.
Microlumen (μlm)
A microlumen (μlm) equals 10⁻⁶ lumens. Used in laboratory photometry, bioluminescence measurements (firefly: ~0.5 μlm/flash), and extremely dim light source characterization. Required precision instrumentation for measurement.
Frequently Asked Questions
How do I convert lumens to microlumens?
To convert lumens to microlumens, multiply the value by 1000000. For example, 10 lm = 10000000 μlm.
How many microlumens are in 1 lumen?
1 lumen equals 1000000 microlumens.
What is the formula for lumens to microlumens?
The formula is: μlm = lm × 1000000.