Where do the exchange rates come from?

Rates are fetched from open.er-api.com, a free public API that updates rates daily.

How often are the rates updated?

The API refreshes rates daily. The exact timestamp is shown beneath the rates table.

How many currencies are supported?

Over 160 world currencies are available, from major pairs like USD/EUR to less common ones.

Can I change the base currency?

Yes. Use the base currency dropdown to recalculate all rates relative to any supported currency.

Finance 無料サインアップ不要

Currency Exchange Rates

Live currency exchange rates and converter

ツールを読み込み中…

このツールについて

View real-time exchange rates for all major world currencies powered by the Open Exchange Rates API (no API key required). Switch the base currency to any supported currency, enter an amount, and instantly convert between any two currencies. Rates are refreshed each time you load the page and the last-updated timestamp is always visible.

使い方

1 Wait for the rates to load automatically on page open.
2 Use the Base Currency dropdown to switch the reference currency.
3 Enter an amount in the converter and choose From / To currencies.
4 The converted amount updates instantly.
5 Check the 'Last updated' timestamp for data freshness.

このツールについて

使い方

よくある質問