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BOE-A-2026-6637 ·21 March 2026 ·Resolution Low impact
Administrative

Companies and individuals: 1 euro = 1.1555 US dollars (immediate update)

The Bank of Spain publishes the new euro exchange rates as of 20 March 2026, set by the European Central Bank. These rates are officially effective and must be used in financial transactions, contracts, and tax declarations. The update takes effect immediately without delay.

In 2 key points

  1. 1 euro = 1.1555 US dollars (official rate from 20 March 2026) (CAMBIOS 1 euro = 1,1555 dólares USA)
  2. The published exchange rates have official effect pursuant to Article 36 of Law 46/1998 (de acuerdo con lo dispuesto en el artículo 36 de la Ley 46/1998)

How it affects those involved

Business operators, individuals and public administrations carrying out international transactions must update their foreign exchange conversion calculations immediately. Financial advisers and account managers should review their calculations to avoid errors in invoices, payments or declarations. Traders operating in foreign currencies may experience changes to their profit margins or import/export costs due to the new exchange rates.

Lifecycle

2026-03-21PublishedPublished in the BOE
2026-03-20Into forceComes into force (Resolución de 20 de marzo de 2026, del Banco de España)
Official text Based on BOE data (boe.es). Information, not advice.

Does this provision affect you?

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This analysis is informational only and does not constitute legal advice or create a client-adviser relationship. BM Consulting.
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