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Lumen watt conversion
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Dear convert-me.com forum visitors,
Our forum has been available for many years. In September 2014 we decided to switch it to read-only mode. Month after month we saw less posts with questions and answers from real people and more spam posts. We were spending more and more resources cleaning the spam until there were less them 1 legitimate message per 100 spam posts. Then we decided it's time to stop.
All the posts in the forum will be available and searchable. We understand there are a lot of useful information and we aren't going to remove anything. As for the new questions, you can always ask them on convert-me.com FaceBook page
Thank you for being with us and sorry for any inconveniences this could caused.
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Lumen watt conversion
by Watosh » Sun Feb 01, 2009 7:10 pm
Is there a correlation between the watt, (power) and the lumen,(illumination)? It's confusing to try to determinewhich flashlightoffers more light when they're listed in watts and or lumens. :?
- Watosh
Re: Lumen watt conversion
by sluncho » Tue Jul 13, 2010 2:43 am
Every source of light has different ratio lumen/watts (sometimes quoted by manufacturer in their specifications). For incandescent lamp it is approx. 12-14, for halogen could be over 30 but a broad range , for luminescent over 50 for LCD even higher, therefore the Q ?is to define well the source and research about the ratio.
- sluncho
Re: Lumen watt conversion
by Ashraf » Fri Sep 12, 2014 2:51 pm
sluncho wrote:Every source of light has different ratio lumen/watts (sometimes quoted by manufacturer in their specifications). For incandescent lamp it is approx. 12-14, for halogen could be over 30 but a broad range , for luminescent over 50 for LCD even higher, therefore the Q ?is to define well the source and research about the ratio.
I couldn't understand what you mean but do you know if I have a 100 lumens lamp how can I know how much watts are in this 100 lumens lamp
- Ashraf
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