Internal Resources

  • Per Diem
    Per Diem rates include amounts for lodging, meals, and incidentals.  Per Diem Rates
    Per diem rates vary from city to city and county to county. If you need to find out the name of the county a particular city is in, visit the State Guide site.
    If you cannot find your destination listed, contact the Travel Staff at: for assistance.
  • Foreign Per Diem
    Foreign Currency
    If you have foreign currency at the end of a trip, please convert the foreign currency to U.S. currency prior to departure or immediately upon arrival in the U.S. The U.S Department of State has more infomation on information on foreign per diems.
    The Caltech cashier cannot exchange foreign currency or accept it for deposit.
    If you are unable to exchange the foreign currency prior to your return to Caltech, please contact the Travel Department prior to submitting your expense report.
    Currency Exchange Rate
    Foreign Per Diem
  • Mileage
    Beginning January 1, 2016, the standard mileage rates for the use of a car (including vans, pickups or panel trucks) will be:
    $0.54 per mile for business miles driven
    $0.19 per mile driven for moving purposes
    $0.14 per mile driven for service of charitable organizations
    NOTE: Amounts of $100.00 or less may be paid by the department’s petty cash or entered directly in Rapid Recon/P-Card.
    To report mileage, all users should use Rapid Recon. If you do not have Rapid Recon account please contact a member of the P-CAT Team at 2015 mileage rate was $0.575 per mile
    The 2014 mileage rate was $0.560 per mile
    The 2013 mileage rate was $0.565 per mile
    The 2012 mileage rate was $0.555 per mile
    The 2011 mileage rate for 1/1/11 – 6/30/11 was $0.510 per mile
    The 2010 mileage rate was $0.500 per mileNOTE: For older mileage rates please visit the IRS website here.
  • Missing Traveler Signature Certification Form
  • Travel Missing Receipt Form
  • Use of Foreign Carrier Certification Form
  • Click here to access Procurement Services forms

External Resources

  • Foreign Currency Converter
  • Passport Services
  • Airport Codes
  • Foreign Languages Translation for Travelers
  • Center for Disease Control and Prevention
  • Transportation Security Information (TSA)
  • State Department Travel Advisories