With PrestaShop, you can add an unlimited number of currencies to be used on your Front Office.
1. Go to Back Office >> Payment >> Currencies
2. Click Add New.

3. Fill in the fields and select a currency formatting from the drop-down list. (See changing how a currency is displayed, below)
Note: In the Conversion rate field, type only numerical values, e.g., 1.38. Do not include any currency symbols.
4. Click Save.
The default currency is the currency PrestaShop will display by default when a customer visits your online store.
To change the default currency:
1. Go to Back Office >> Payment >> Currencies

2. In the Currencies options section, select a new default currency from the drop-down list.
1. Go to Back Office >> Payment >> Currencies
2. In the list of currencies, click on the currency of which you want to change the format.
3. On the currency’s detail page, select a new formatting from the drop-down list.
4. Click Save.
If you require a different formatting than the choices offered, you can manually change the formatting:
1. In ../classes/Tools.php, search for: function displayPrice
2. Change:
/* Currencies like ¤ -> 1200 ¤ */
case 2:
default:
$ret = number_format($price, 2, ‘,’, ‘ ‘).’ ‘.$c_sign;
1. Go to Back Office >> Payment >> Currencies
2. In the Currencies options section, click Update currencies rates.