How to calculate gear dimensions the easy way 

Perfect! I need to calculate for a 96t gear for my 1930's lathe. Thanks!

Cheers helped a lot tried it out with a gear i have, just had to get the exact tooth spacing right. if out by 0.1 of a MM, will make a huge difference in diameter

muchas gracias hombre. greetings from Nicaragua.

I need to make gears for the quill feed mechanism on a old Barnes 24 inch camel back drill . Your video has been very helpful