Cost Control
You can show a cost control set in another currency and know which exchange rates KOSMA converts it with.
The display currency is the currency in which KOSMA shows the figures of a cost control set. Switch it when a co-producer or a financier works in another currency. The set itself does not change.
In the toolbar, click the currency list, which shows the display currency, for example  **EUR**, and choose a currency. The list offers the currencies of the set that are not hidden in **Currencies**. At first, it shows the default currency of the set.
KOSMA converts every amount in the grid into the currency you chose: **Budget**, **Forecast**, **Variance**, **Paid**, **Expected** and **Free** of each account, the bottom row **Totals in {currency}** and the six figures under **Grand Totals in {currency}** in the left rail. An Excel export shows the same currency. The heading in the left rail names it, for example **Grand Totals in USD**.
KOSMA does not save your choice in the set, and the stored figures stay as they are.
Each cost item keeps its own currency. In the **Cost Items** tab of an account, **Expected** and **Paid** each show their amount in their own currency, with its code, for example 2,500.00 EUR.
The dashboard has its own currency setting and does not follow the currency list.
For a printout, see [print a cost report](/kb/article/print-a-cost-report).
A cost control set has its own currencies and exchange rates. KOSMA copies them from the linked budget when you create the set. To see them, click the currency list in the toolbar and choose **Settings**. KOSMA opens **Currencies** with the rates of the set.
The exchange rate of a currency is the number of units of this currency that one unit of the default currency is worth. For example, if EUR is the default currency and the rate for USD is 1.08696, one euro is worth 1.08696 US dollars. To show the set in USD, KOSMA multiplies each figure in euros by this rate. Type a rate with a point or a comma as the decimal separator, for example 1.08696 or 1,08696. On an English interface, KOSMA reads a comma followed by exactly three digits, such as 1,400, as a thousands separator. A rate can have at most five decimal places. If you type more, KOSMA keeps the previous rate and shows:
An exchange rate can have at most 5 decimal places, so the rate was not changed.
To change a rate, type it in **Exchange Rate**. To fetch the current rate online, click  **Update exchange rate** in the row of the currency. KOSMA then converts every figure of the set with the new rate. **Last Update** shows when the rate was last updated. A rate that you change later in the budget does not change the rates of the set. The **Budget** column still shows the totals of the linked budget. If an account is priced in another currency in the budget, a rate you change in the budget therefore changes that account's **Budget** figure in the set.
Everyone who can open a set can switch its display currency: with every licence, as a guest and in a set shared read-only. To change a rate in **Currencies**, you need a set you can edit. KOSMA greys out these controls when the set is shared read-only, when your licence does not cover Cost Control, or when you work local-only (signed out).
An import uses one currency for the whole file. You choose it in the mapping set. A set that you fill from several accounting systems can still hold cost items in several currencies. For the totals of an account or a markup, KOSMA first converts each cost item into the default currency at the rate of its currency. For a paid cost item, that is the currency in which it was paid, and for any other cost item, the currency in which it is expected. KOSMA then adds up the converted amounts.
Before you quote a figure to a financier, look at two things on the screen:
- The currency that the currency list and the heading **Grand Totals in {currency}** name. - A filter that is on. Closing the filter panel clears the filter. See [filter and search a cost control set](/kb/article/filter-and-search-a-cost-control-set).
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