Cambiar euros a dólares (EUR/USD) parece trivial, pero el coste real depende de dónde y cómo lo haces. El tipo que ves en Google (mid-market) no es el que te aplican. Aquí te explicamos cómo funciona el par, dónde se esconden las comisiones, cuándo cambiar y las mejores alternativas hoy.
Qué es el tipo EUR/USD
EUR/USD = cuántos dólares (USD) compras con 1 euro (EUR).
Ejemplo: EUR/USD = 1.0850 → 1 € = 1.0850 $.
- Base: EUR (siempre 1).
- Cotizada: USD (variable).
- Subiendo = euro se fortalece (compras más $ por €).
- Bajando = dólar se fortalece.
El mercado Forex opera 24 h / 5 días (domingo 22:00 UTC – viernes 22:00 UTC). Fines de semana cerrado → spreads se ensanchan.
Tipo mid-market vs. tipo cliente
| Tipo | Qué es | Quién lo ve | Spread típico |
|---|---|---|---|
| Mid-market (interbancario) | Precio medio compra/venta entre bancos | Google, XE, Reuters, Bloomberg | 0 % (referencia) |
| Cliente minorista (banco) | Mid-market + spread + comisión fija | Tu banca online, oficina | 1.5–3 % + 3–15 €/op |
| Fintech / multi-divisa | Mid-market + spread reducido | Revolut, Wise, N26, Trade Republic, Evo, MyInvestor | 0.3–0.7 % (a veces 0 % en horario) |
| Aeropuerto / hotel | Mid-market + spread alto | Casas de cambio físicas | 5–10 % |
Regla de oro: nunca cambies efectivo en el aeropuerto. Pierdes 50–100 € por cada 1000 €.
Dónde se esconden los costes
- Spread (margen sobre mid-market): la diferencia entre compra y venta. Bancos: 1.5–3 %. Fintechs: 0.3–0.7 %.
- Comisión fija por operación: 3–15 € en bancos tradicionales.
- DCC (Dynamic Currency Conversion): el cajero/TPV te ofrece “cargar en EUR”. Di que no. El tipo lo pone el comercio/banco local, suele ser 3–7 % peor.
- Comisión cajero destino: $2–5 por retirada + posible comisión tu banco.
- Fines de semana / festivos: Revolut y otras aplican recargo 0.5–1 % (mercado cerrado, cubren riesgo).
Mejores opciones hoy (2024/2025)
| Opción | Spread FX | Comisión fija | Límite gratis/mes | Notas |
|---|---|---|---|---|
| Revolut Standard | 0 % (lunes–viernes) | 0 € | 1,000 €/mes | Fines sem +0.5 %; >1k € +0.5 % |
| Wise (tarjeta/cuenta) | 0.35–0.7 % | 0 € | Sin límite | Tipo real + fee transparente |
| N26 You/Metal | 0 % | 0 € | Ilimitado | Incluye seguro viaje |
| Trade Republic | 0 % | 0 € | Ilimitado | Solo tarjeta, cuenta inversión |
| Evo Banco / MyInvestor / imaginBank | 0 % | 0 € | Ilimitado | Bancos españoles sin comisiones FX |
| Tarjeta crédito tradicional (Santander, BBVA, Caixa…) | 1.5–3 % | 3–5 % (mín 3–6 €) | — | Evita para gasto diario en USD |
Cuándo cambiar: timing básico
- Horario mercado (lunes–viernes): spreads mínimos. Evita madrugada (baja liquidez).
- Fines de semana: mercado cerrado → spreads ensanchados / recargos fintech. Si puedes, espera al lunes.
- Noticias macro (BCE, Fed, IPC, nóminas): volatilidad ↑ → spreads ↑. Evita operar en la hora del dato si no especulas.
- Promedia: si vas a gastar 2000 $ en 2 semanas, cambia 500 $ cada 3–4 días (dollar-cost averaging) → reduces riesgo de día malo.
Checklist antes de viajar / comprar en USD
- ✅ Ten una tarjeta sin comisiones FX (Revolut, Wise, N26, Trade Republic, Evo, MyInvestor).
- ✅ Desactiva DCC: en cajero/TPV, elige siempre moneda local (USD).
- ✅ Lleva algo de efectivo USD (100–200 $) para propinas/pequeños pagos sin tarjeta.
- ✅ Notifica a tu banco las fechas/país (evita bloqueos antifraude).
- ✅ Revisa límites diarios de retirada en cajero (suelen ser 500–1000 €/día).
- ✅ Usa Apple Pay / Google Pay con la tarjeta sin comisiones: más seguro, mismo tipo.
Conclusión
- Tipo real = mid-market (Google/XE).
- Tu coste = mid-market + spread + comisiones.
- Gana: tarjeta sin comisiones FX + pagar en moneda local (USD) + evitar aeropuerto/DCC.
- Ahorro típico: 30–80 € por cada 1000 € cambiados vs banco tradicional.
Calcula la conversión EUR/USD con tipo de referencia y compara con lo que te ofrece tu banco.
Converting euros to dollars (EUR/USD) seems trivial, but the real cost depends on where and how you do it. The rate you see on Google (mid-market) isn’t what you get. Here we explain how the pair works, where fees hide, when to exchange and the best alternatives today.
What is the EUR/USD rate
EUR/USD = how many dollars (USD) you get for 1 euro (EUR).
Example: EUR/USD = 1.0850 → 1 € = 1.0850 $.
- Base: EUR (always 1).
- Quote: USD (variable).
- Rising = euro strengthens (you get more $ per €).
- Falling = dollar strengthens.
The Forex market runs 24 h / 5 days (Sunday 22:00 UTC – Friday 22:00 UTC). Weekends closed → spreads widen.
Mid-market rate vs. client rate
| Rate | What it is | Who sees it | Typical spread |
|---|---|---|---|
| Mid-market (interbank) | Mid-price between bank buy/sell | Google, XE, Reuters, Bloomberg | 0 % (reference) |
| Retail client (bank) | Mid-market + spread + fixed fee | Your online banking, branch | 1.5–3 % + €3–15/op |
| Fintech / multi-currency | Mid-market + reduced spread | Revolut, Wise, N26, Trade Republic, Evo, MyInvestor | 0.3–0.7 % (sometimes 0 % in market hours) |
| Airport / hotel | Mid-market + high spread | Physical exchange bureaus | 5–10 % |
Golden rule: never exchange cash at the airport. You lose €50–100 per €1000.
Where costs hide
- Spread (margin over mid-market): the difference between buy and sell. Banks: 1.5–3 %. Fintechs: 0.3–0.7 %.
- Fixed fee per transaction: €3–15 at traditional banks.
- DCC (Dynamic Currency Conversion): the ATM/POS offers “charge in EUR”. Say no. The merchant/bank sets the rate, usually 3–7 % worse.
- Destination ATM fee: $2–5 per withdrawal + possible fee from your bank.
- Weekends / holidays: Revolut and others apply a 0.5–1 % surcharge (market closed, they hedge risk).
Best options today (2024/2025)
| Option | FX Spread | Fixed fee | Free limit/month | Notes |
|---|---|---|---|---|
| Revolut Standard | 0 % (Mon–Fri) | €0 | €1,000/mo | Weekend +0.5 %; >€1k +0.5 % |
| Wise (card/account) | 0.35–0.7 % | €0 | Unlimited | Real rate + transparent fee |
| N26 You/Metal | 0 % | €0 | Unlimited | Includes travel insurance |
| Trade Republic | 0 % | €0 | Unlimited | Card only, investment account |
| Evo Banco / MyInvestor / imaginBank | 0 % | €0 | Unlimited | Spanish banks with no FX fees |
| Traditional credit card (Santander, BBVA, Caixa…) | 1.5–3 % | 3–5 % (min €3–6) | — | Avoid for daily USD spending |
When to exchange: basic timing
- Market hours (Mon–Fri): tightest spreads. Avoid early morning (low liquidity).
- Weekends: market closed → widened spreads / fintech surcharges. If you can, wait for Monday.
- Macro news (ECB, Fed, CPI, payrolls): volatility ↑ → spreads ↑. Avoid trading the hour of the release unless speculating.
- Average in: if you’ll spend $2000 over 2 weeks, exchange $500 every 3–4 days (dollar-cost averaging) → reduces bad-day risk.
Checklist before travel / buying in USD
- ✅ Have a no-FX-fee card (Revolut, Wise, N26, Trade Republic, Evo, MyInvestor).
- ✅ Disable DCC: at ATM/POS, always choose local currency (USD).
- ✅ Carry some USD cash (100–200 $) for tips/small cash-only payments.
- ✅ Notify your bank of dates/country (avoids fraud blocks).
- ✅ Check daily ATM withdrawal limits (usually €500–1000/day).
- ✅ Use Apple Pay / Google Pay with the no-fee card: safer, same rate.
Conclusion
- Real rate = mid-market (Google/XE).
- Your cost = mid-market + spread + fees.
- Win: no-FX-fee card + pay in local currency (USD) + avoid airport/DCC.
- Typical saving: €30–80 per €1000 exchanged vs traditional bank.
Calculate EUR/USD conversion with reference rate and compare with what your bank offers.