Simple Energy Estimator
Calculate the energy savings you'll gain by relamping your lighting system. Also, find out how long it will take to recoup your full investment for the new system.

Lighting Layout Estimator
Estimate the number of fixtures needed to light an area for a specified light level.

Dimming System Watts Estimator
Can a dimming system help you save energy costs? Use this calculator to estimate the overall equivalent wattage, as well as energy reduction and cost savings by using a dimming system.

Simple Life-Cycle Cost Estimator
Compare the life-cycle costs for two different lamps.

Watts Per Square Foot Estimator
Compare the watts per square foot for two different lighting systems.

Fixture Replacement Estimator
Replacing your current lamps? Use this calculator to estimate the number of fixtures you'll need for replacement lamps. Also compare the difference in the amount of light between your current lamp and replacement lamp.

Cost of Waiting Estimator
Compare the cost of electricity for your current and proposed lighting systems, and estimate the cost of waiting to upgrade to the new system.