Currency Converter
The plugin exposes a Currency Converter's methods:
{% set amount = craft.entries.section('my-section').one().numberfield %} {{ craft.currency.conversion('USD', 'EUR', amount) }}
You can also pass amount as parameter:
{{ craft.currency.conversion('USD', 'EUR', 23) }}
Free
Package Name
To install this plugin, search for its package name on the Plugin Store and click “Install”.