USD to Euro converter
Rates from the ECB, 28 September 2026. Type an amount in either currency and the other one updates as you type, or type your bank's rate to see what you would get.
- Euro (EUR)
- 8.79
10 USD = 8.79 EUR, at 1 USD = 0.878889 EUR. The ECB reference rates of 28 September 2026 give 1 USD = 0.878889 EUR.
- Inverse: USD per 1 EUR
- 1.1378
Euro (EUR): 8.79. 10 USD = 8.79 EUR, at 1 USD = 0.878889 EUR. The ECB reference rates of 28 September 2026 give 1 USD = 0.878889 EUR.
How to calculate
Converts US dollar (USD) to Euro (EUR) and back at the ECB euro reference rates of 28 September 2026, or at your own rate.
Example with the default inputs (US dollar (USD) 10, Rate: EUR per 1 USD 0.878889): 10 USD = 8.79 EUR, at 1 USD = 0.878889 EUR. The ECB reference rates of 28 September 2026 give 1 USD = 0.878889 EUR.
Formula: EUR = USD × rate, with the ECB euro reference rate by default.
- The default rate, 1 USD = 0.878889 EUR, is from the ECB euro reference rates of 28 September 2026 (1 ÷ 1.1378 USD per euro).
- The ECB publishes its reference rates for information purposes only, not for transactions. Banks and cards add a margin or a fee; type their rate to see what you would get.
- Amounts are rounded to 2 decimal places, without trailing zeros (24.4 means 24.40), and rates show up to 7 significant figures; the calculation keeps full precision.
Worked examples
Each example is checked against the calculator on every build.
- US dollar (USD) 100, Rate: EUR per 1 USD 0.8789 gives Euro (EUR) 87.89.Source: hand calculation: amount × rate, at the ECB rate of 28 September 2026 for USD to EUR (0.878889) rounded to 4 significant figures
- Euro (EUR) 100, Rate: EUR per 1 USD 0.8789 gives US dollar (USD) 113.778587.Source: hand calculation: amount × rate, at the ECB rate of 28 September 2026 for USD to EUR (0.878889) rounded to 4 significant figures
- US dollar (USD) 100, Euro (EUR) 87.89 gives Rate: EUR per 1 USD 0.8789.Source: hand calculation: rate = result ÷ amount
Other questions people ask
How much is 1 USD in EUR?
At the ECB euro reference rates of 28 September 2026, 1 USD = 0.878889 EUR, and 1 EUR = 1.1378 USD.
Where does the USD to EUR rate come from?
The ECB quotes USD against the euro: on 28 September 2026, 1 euro bought 1.1378 USD. So 1 USD = 1 ÷ 1.1378 = 0.878889 euro.
Can I use this rate at my bank?
Not exactly. The ECB publishes its reference rates for information purposes only and strongly discourages their use for transactions. Banks, cards, and exchange offices add a margin or a fee. Type the rate they offer into the rate box to see what you would receive.
How often does the rate change?
The ECB sets one reference rate per currency on each TARGET working day, at about 16:00 CET. This page shows the rates of 28 September 2026; they change when the site is rebuilt with a newer copy.