If you decide to purchase your own christmas string lights a rule of thumb is to.
Two different size lights on christmas tree.
You ll get a bright colorful look by adding one strand per foot of tree.
The first designer secret is you can add a bit of twinkle to your christmas tree by adding 1 2 strands of 50 or 100 clear or white blinking lights no more than 2 strand for a tree under 10 tall or 3 if you have a tree that is at least 10 tall wrapped around just the trunk of your christmas tree they can be a different color white than your basic string lights if you wish.
The number of lights you need will depend on the height of your christmas tree.
Two strands with the same number of lights will have different string lengths if their bulb spacing isn t identical.
According to real simple there s an easy way to calculate how much string lighting is needed for any size christmas tree.
Pre lit christmas trees are already designed with the recommended number of bulbs according to the manufacturer s standards.