Terms of use

Using this site

You're welcome to read, share and link to anything on this site. Please don't copy whole posts or photos to other sites without asking first.

Free tools

The calculators are free to use. They give estimates and starting points for hobby use. Always check measurements, electrical values and material quantities yourself before you cut, buy or power up.

Affiliate links

Some product links are affiliate links. We may earn a small commission if you buy through them, at no extra cost to you. We only recommend gear we use or would use ourselves.

Shop

Purchases from the shop are covered by the shop terms.