April 28, 2017

Christmas Lights Calculators

Use our handy Christmas lights calculator to figure out how much energy those "old-school" Christmas lights consume each year. Then, compare that cost to the savings you would net by switching to LED Christmas lights. What a difference! Go one step further and switch to solar Christmas lights and your energy costs are zero!


Christmas Lights Energy Calculator

Use this calculator to calculate the estimated cost of your Christmas Lights:

 Energy Calculator:
100-Bulb Strings of Mini Lights (50 Watts): strings 
      25-Bulb Strings of Larger C7 Bulbs (125 Watts) strings 
Number of Hour Usage per Day: hours 
 
 Estimated Kilowatt Usage with Regular Bulbs:
Estimated KWH per Day kWh/day 
 Estimated Cost per Month: /month
 
 Estimated Kilowatt Usage with LED Bulbs:
LED Estimated KWH per Day kWh/day 
 LED Estimated Cost per Month: /month
 

Estimated Cost per Month using Solar Christmas Lights: ZERO And you don't have to deal with running extension cords to your power source!


Christmas Lights Quantity Calculator

If you're not sure how many Christmas lights you will need to cover your tree, use this calculator to figure it out:

 For Cone Shaped Trees:
Enter Height of Cone Shaped Tree: feet
Enter Base Width of Cone Shaped Tree: feet
 
Total Number of Lights Needed: lights 
 Approx Number of 25 ft (50 bulbs) Strings Needed:
 Approx Number of 33 ft (102 bulbs) Strings Needed:


 For Uniformly Shaped Trees:
Enter Height of Uniformly Shaped Tree: feet
Enter Base Width of Uniformly Shaped Tree: feet
 
Total Lights Neeeded: lights 
 Approx Number of 25 ft (50 bulbs) Strings Needed:
 Approx Number of 33 ft (102 bulbs) Strings Needed:


Kilowatthour rate is based on Energy Information Administration's Average Retail Price of Electricity to Ultimate Customers: Total by End-Use Sector as of April 2009. Monthly estimates are based on a 30-day month.