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Per Diem

Per diem rates include amounts for lodging, meals, and incidentals.

Domestic Per Diem 10/01/2014 through 09/30/2015

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 

Muriel Marroquin
Travel and P-Card Manager
(626) 395-6273
Peggy Burke
Travel Administrator
(626) 395-3702
Teresa Ponce
Travel Administrator
(626) 395-2368