It may have only gotten an R rating instead of the dreaded NC-17, but don't be fooled: There's plenty of sex in "Fifty Shades of Grey."

According to website Mr. Skin, which collects information about nudity and sex scenes in movies, "Fifty Shades" offers up a whopping 20 full minutes of sex throughout its 100-minute running time -- roughly 1/5 of the length of the film. And things get steamier from there.

The Sunday Times reports that according to Mr. Skin, "Fifty Shades'" tally represents more sex than is featured in all 100 R-rated films released in the U.S. in 2014 combined. To put that even further into perspective, The Guardian writes that famously salacious films such as "Last Tango in Paris" and "Eyes Wide Shut" only featured nine minutes and two minutes of sex, respectively.

So "Fifty Shades" fans worried that the flick will just be a watered-down version of the steamy novels, take heart: You may not be seeing Christian Grey's goods, but there will be lots of other naughtiness to distract you.

"Fifty Shades of Grey" hits theaters on February 13.

[via: The Sunday Times, The Guardian]