Currency Conversion Calculator

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.
Converted amount
86.27
Currency Converter
Result
100 USD = 86.27 EUR
Rate actually applied
0.862664
Rate before any spread
0.862664
Inverse of the applied rate
1.159200
Total cost of the spread and fees, in the target currency
0.00
Decimals in the target currency
2
From
USD - US Dollar
To
EUR - Euro
Rate source
Rate entered by the user (ECB reference rate)
Worked out from ISO 4217 Currency codes, list one (current currency and funds code list) and 3 other sources.
Market rates move continuously and retail rates include a spread. Check the rate against your provider before relying on this figure for 2026-09-11.

How this is worked out

4 steps
  1. Rate: 1 USD = 0.862664 EUR (Rate entered by the user).
  2. Applied directly, USD to EUR.
  3. No spread applied.
  4. 100 x 0.862664 = 86.27 EUR, rounded to the 2 minor-unit digits ISO 4217 gives EUR.

Results are general information, not financial, tax, legal, medical or engineering advice.