DATABASICS Time & Expense Blog

2018 Per Diem Rates & Mileage Rates Updated


The GSA has issued the 2018 per diem rates to go into effect on October 1st, 2017.

2018 Per Diem rates Updated

Most locations within the United States (CONUS rates) will maintain the same $144 per diem rate:

  • $93 for lodging
  • $51 for meals and incidental expenses.

According to the GSA "FY 2018 Per Diem Highlights, "In fiscal year (FY) 2018, there are 332 Non-Standard Areas (NSAs) that have per diem rates higher than the standard CONUS rate." You can see which cities remain on the list here.

While there were no additional NSAs this year, 14 locations did move from high rates for per diems to the regular rate of $144. You can find a list of those cities here.

Related Article: Can You Afford Healthy Food On A Per Diem?

What it means for employers:

If you're planning a trip next year, be sure to look up which cities are still on the list for NSAs, and make adjustments as necessary to your per diem calculations. You might already be planning some trips during 2018, so it's a smart idea to be prepared. 

What it means for our customers:

Because our per diem engine receives automatic updates from the GSA with the current year's rates (depending on the city), our customers don't need to make any changes. Simply use our per diem management tool as usual. 

Mileage Rate updates

In addition, mileage rates have been updated. According to the Journal of Accountacy, "For business use of a car, van, pickup truck, or panel truck, the rate for 2018 will be 54.5 cents per mile, up from 53.5 cents per mile in 2017." Be sure to keep this change in mind as you travel in 2018!

 Per Diems: Control & Effective Management

Want to look into this further? Can you afford not to? Contact us or to learn more visit our Resource Library.

*These and other requirements are described in Notice 2017-54, posted today on 

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