Finance · Data flow disclosed · Beta

Currency Converter

Convert supported currencies using an explicit manual rate or a user-triggered dated ECB reference quote.

Reviewable draft•No account•Fields disclosed before submit
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Trust record

Check the method before you rely on the result

Tier C · Uses a network service after disclosure
Method
Multiply the amount by a clearly labelled rate, retaining quote source, date, stale state and manual fallback.
Converted amount = amount × quoted or manual rate
Sources
1 reviewed reference · 1 official
Open the source register
Effective period
Formula-based; no statutory effective period
Last verified
11 August 2026
Review every 7 days
Reviewer status
Named data-source reviewer: external review pending
Privacy
Manual inputs stay in this browser. An explicit quote action may request a dated ECB reference rate; no entered amount, identity or business record is sent.
Important limitations
  • ECB reference rates are informational and may differ from bank, card, remittance or settlement rates.
  • Network failure does not silently reuse an old quote; manual fallback is explicit.

Read all limitationsReport an error

A quick guide

Use the number with context

The answer is only useful when you know what it includes and what it leaves out.

How to use it

  1. Enter an amount and choose source and target currencies.
  2. Use the explicit quote action or enter a current manual rate.
  3. Review quote source, date and stale status before using the illustration.

Formula

Converted amount = amount × quoted or manual rate

The output is a rate illustration, not a transaction or settlement quote.

Make it concrete

Worked example

₹1,000 converted at a declared 0.012 USD/INR rate produces USD 12.

Boundaries

What this tool does not assume

Limitations

  • ECB reference rates are informational and may differ from bank, card, remittance or settlement rates.
  • Network failure does not silently reuse an old quote; manual fallback is explicit.

Edge cases

  • Same-currency conversion uses rate 1.
  • A failed network quote leaves manual fallback available.

Last reviewed 11 August 2026 · Formula version 1.0

Method & sources

How this result is grounded

The formula is deterministic and runs in your browser. Read the reference below for the method used by this tool.

Questions

Frequently asked

Is the rate real-time?

No guarantee is made. A quote is shown with its ECB date, and manual rates are supported.

Keep going

Related tools

A related local-first tool for the next step.

Source register checked 11 August 2026.