Whether you wait until the first of December or are straight out of the blocks as soon as Halloween is over, decorating the Christmas tree is one of the most exciting times of the year.

But everyone has their own preferences on how they like their tree to look, whether it’s a sleek, minimalist theme, or an all-out Christmas extravaganza, packed to the rafters with so many baubles and lights that there’s barely any green visible!

There’s no right or wrong way to go about it, but to help make things a little bit easier, we’ve created the following calculator to estimate the minimum number of baubles and lights you need to make your tree sparkle.