Convert Picolumens to Megalumens
Convert Picolumens (plm) to Megalumens (Mlm) instantly and accurately.
Conversion Formula
Mlm = plm × 1.000000000e-18
About Picolumens
The picolumen (plm) equals 10⁻¹² lm. A sub-unit used only in precision optical metrology and photomultiplier calibration chains. Equivalent to the photometric output of a 555 nm monochromatic source radiating approximately 1.46 fW of radiant power. Below the sensitivity threshold of most photometric instruments without special cooling. 1 plm = 10⁻¹² lm.
About Megalumens
The megalumen (Mlm) equals 10⁶ lm. The output range for high-bay industrial luminaires and stadium floodlights: a 1 000 W high-pressure sodium lamp array produces approximately 1.1 Mlm; full LED stadium lighting systems reach 1-10 Mlm; maritime lighthouse optics emit in the low-megalumen range. 1 Mlm = 10⁶ lm.
Quick Reference Table
| Picolumens (plm) | Megalumens (Mlm) |
|---|---|
| 1 plm | 1 × 10-18 Mlm |
| 2 plm | 2 × 10-18 Mlm |
| 5 plm | 5 × 10-18 Mlm |
| 10 plm | 1 × 10-17 Mlm |
| 25 plm | 2.5 × 10-17 Mlm |
| 50 plm | 5 × 10-17 Mlm |
| 100 plm | 1 × 10-16 Mlm |