
Work out your Washington business trip allowance with our per diem calculator
Our online calculator tells you exactly how much you can spend, so you can focus on your trip.
Calculate your per diem allowance for your trip
Simply enter your travel dates and details to find out your per diem allowance.
Per diem rates in Washington
In Washington, the General Services Administration decides the per diem rates on a monthly basis for all counties. Check out our per diem calculator at the top of the page to find out which rates apply to your business trip in Washington.
Adams County
$98
$59
$157
Asotin County
$98
$59
$157
Benton County
$105
$69
$174
Chelan County
$98
$59
$157
Clallam County
$113
$74
$187
Clark County
$152
$74
$226
Columbia County
$98
$59
$157
Cowlitz County
$152
$74
$226
Douglas County
$98
$59
$157
Ferry County
$98
$59
$157
Franklin County
$105
$69
$174
Garfield County
$98
$59
$157
Grant County
$98
$59
$157
Grays Harbor County
$111
$74
$185
Island County
$98
$59
$157
Jefferson County
$113
$74
$187
King County
$232
$79
$311
Kitsap County
$98
$59
$157
Kittitas County
$98
$59
$157
Klickitat County
$98
$59
$157