How much is the real cost of your normal light bulb? Energy saving light bulbs, are they truly economic? What is the investment in return for LED bulb despite its higher price? All the answers with this lighting calculator.
Calculate the energy savings you’ll gain by re-lamping your lighting system with iDlights free light saving lighting calculator. Also, find out how long it will take to recoup your full investment for the new system.
- Power, purchase price, and life: this information is available on the packaging of all bulbs.
- Usage time: Insert the average number of hours on per day.
- Price per KWh: insert the amount shown on your electricity bill
Check also our full guide: How to Choose the Right Light Bulb
Last update on 2019-08-19 / Images from Amazon API