> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v23** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/CurrencyConstant).

A currency constant.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v23/resources/currency_constant.proto)

| Fields ||
|---|---|
| ## `billable_unit_micros` | `int64` Output only. The billable unit for this currency. Billed amounts should be multiples of this value. |
| ## `code` | `string` Output only. ISO 4217 three-letter currency code, for example, "USD" |
| ## `name` | `string` Output only. Full English name of the currency. |
| ## `resource_name` | `string` Output only. The resource name of the currency constant. Currency constant resource names have the form: `currencyConstants/{code}` |
| ## `symbol` | `string` Output only. Standard symbol for describing this currency, for example, '$' for US Dollars. |