Formatting only. This does not change the calculation.
Three-letter ISO 4217 code, for example USD, EUR, GBP, JPY, CAD, AUD.
Three-letter ISO 4217 code.
Units of the target currency for one unit of the source currency, unless you change the basis below. Not needed for euro-legacy and pegged pairs, whose rates are fixed by law.
The margin your provider takes off the mid-market rate. Cards typically add 1-3%.
Leave blank to use the currency's official ISO 4217 minor units (2 for USD, 0 for JPY, 3 for KWD).
Labels the result and is passed to a rate provider when one is attached.
Recorded with the result, e.g. "ECB reference rate" or your card issuer.