Save the Cat by Blake Snyder is one of the quintessential writing craft books used not only by screenwriters, for whom it was written, but by fiction writers of all flavours and varieties. Snyder's system of working a screenplay into specific story beats has been a particularly useful tool for screenwriters. Elizabeth Davis has kindly done the necessary calculations to convert the screenplay beat sheet into a beat sheet for novels, available as an Excel spreadsheet (don't be put off by that - it is the easiest spreadsheet you'll ever use: you type in one number and hit Enter). You can download a copy of Elizabeth's Save the Cat Beat Sheet for Novels here.
Jami Gold has written an excellent post on her blog explaining how she uses this beat sheet. She says:
"Analyzing where the beats of a story fall gives us an overview of the structure of a story and makes sure turning points and scenes are showing up in the right place. We fill in the word count for our story project, and it figures out what page number each beat should fall on. It does the math to make sure Acts I, II, and III, along with the Black Moment and everything else, are all taking up the appropriate percentages of pages."