how many lights on a 7.5 ft christmas tree. Start with at least 100 mini lights per foot of tree plus an extra set of lights to hang inside the tree along the. For trees that are 7 feet tall, a good bulb count is 700 to 1,050 lights.

how many lights on a 7.5 ft christmas tree Web to determine the number of lights you need, multiply the height of your tree (in feet) by your desired light density (lights per vertical foot). Web to calculate how many lights you need for a christmas tree, you can use the formula: Start with at least 100 mini lights per foot of tree plus an extra set of lights to hang inside the tree along the.