DAX Currency Conversion (Selected Currency) Measure

Converts an amount into whichever currency is chosen on a slicer, using a currency rates table.

FinanceAdvancedcurrency conversionexchange ratewhat-if

DAX code

Sales in Selected Currency =
VAR SelectedCurrency = SELECTEDVALUE('Currency'[CurrencyCode], "USD")
VAR Rate =
    CALCULATE(
        MAX('ExchangeRates'[Rate]),
        'ExchangeRates'[CurrencyCode] = SelectedCurrency
    )
RETURN
    [Total Sales] * Rate

Notes

'ExchangeRates' should hold one rate per currency (and ideally per date, joined on the Date table, for historical accuracy).

Requirements

A Currency slicer table and an ExchangeRates table.

Builds on these measures

How to use this measure

In Power BI Desktop, select the table that should hold the measure and choose New measure on the ribbon.
Paste the code, then replace the placeholder table and column names with your own. The My table names fields above do this for you.
Run it through the DAX Formatter if you want it laid out in your team's style.

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More DAX resources

Browse all 175 measures in the Power BI DAX Measures Library, or search the library for something similar to Currency Conversion (Selected Currency).