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BOE-A-2026-4505 ·26 February 2026 ·Act critical
Administrative

Businesses and individuals: one month to update official euro exchange rates

The Bank of Spain Resolution publishes the official euro exchange rates for 25 February 2026, approved by the ECB, which are now deemed official under Article 36 of Law 46/1998. These rates supersede previous ones and must be used in official financial transactions, such as payments, interest rates, or international conversions. The change affects all euro users in Spain, including businesses, individuals, and public administrations.

In 2 key points

  1. 1 euro = 1.1784 US dollars (Art. 36 Law 46/1998) (art. 36 Ley 46/1998)
  2. Official rates published by the ECB and recognised as valid from 25 February 2026 (Resolución de 25 de febrero de 2026)

How it affects those involved

Businesses and individuals conducting international transactions must update their conversion calculations based on the new official rates. Financial institutions must adjust their internal systems to reflect the new rates. Financial advisors and investment managers must inform their clients of the change. While there is no direct risk of fines, conversion errors may affect costs or profits.

Lifecycle

2026-02-26PublishedPublished in the BOE
2026-02-26Into forceComes into force (Resolución de 25 de febrero de 2026)
Official text Based on BOE data (boe.es). Information, not advice.

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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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