Kylie Jenner and Kim Kardashian Getty Images

It's no secret that the Jenner-Kardashian family could fill a pool and swim around in it like Scrooge McDucks with perfect tans and killer curves if they wanted. Kim, Kourtney, Khloe, Kendall, and Kylie are rolling in money. What's not nearly as well-known is just how much their income depends on their incredibly popular Instagram feeds.

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From US Weekly (by way of FHM) we have an eye-opening estimate of just how much Kim or any of her sisters could pull in just for posting a carefully-posed selfie containing a brand's label. You might want to sit down:

Brands pay up to $500,000 for a campaign to 36-year-old Kim's 94.8 million Instagram followers, Heller says, while sisters Khloé, 32, and Kourtney, 37, can rack up $250,000 for sharing branded snaps with their 64.1 million and 54.3 million followers, respectively.

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The data in the quote comes from Michael Heller, who runs digital marketer Talent Resources.

As Kendall and Kylie Jenner also have follower counts approaching 100 million strong, it's not much of a leap to assume they also get something near a half million per sponsored post as well.

Yes, those amounts are nearly ten times a decent salary for a single person in an average Midwestern city. We don't begrudge the sisters, though. Everyone's got to make a living, and at least the Jenners and Kardashians make racking up the dollars pretty easy on the eyes.

h/t US, FHM