HOW LONG DO FULL BOBBINS SUPPOESED TO GO i HAVE A jANOME 350E AND MY BOBBIN ONLY GOES FOR i HAVE AJUSTED IT HOPE YOU CAN HELP

I did a large design , about 30,000 stitches last night , and still had thread left on the bobbin.I also have a 350E.I hope that helps.

You should get between 18000 to 20000 thousand stitches