Mileage and Per Diem Rates
  • Mileage Rate – Effective January 1, 2021 – $0.56 per mile (This rate is set by OMES and currently matches the federal IRS rate.)
  • Per Diem Rates – Effective October 1, 2019 – The standard per diem rate for Oklahoma is $55. The rate for Oklahoma City is $61.  Effective October 1, 2021 – The standard per diem rate for Oklahoma is $59. The rate for Oklahoma City, Oklahoma County is $64.
  • Lodging Rates – Effective October 1, 2020 – The standard lodging rate for Oklahoma is  $96. The rate for Oklahoma City, Oklahoma County is $104.
  • Rates for other states can be obtained online at www.gsa.gov.  Once at the site, select “Per Diem Rates” under TOOLS:  Online Services
  • Trip Calculator

These new rates can be viewed or downloaded at the GSA website: www.gsa.gov/perdiem