Magento 2: Format Price

In phtml file

/** @var $priceHelper Magento\Framework\Pricing\Helper\Data */
$priceHelper = $this->helper(Magento\Framework\Pricing\Helper\Data::class);

echo $priceHelper->currency(100.57, true, false);

In php file

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use Magento\Framework\Pricing\Helper\Data protected $priceHelper; public function __construct(Data $priceHelper) {     $this->priceHelper = $priceHelper; } public function getFormattedPrice($price) {     return $this->priceHelper->currency($price, true, false); }