diff --git a/src/Sylius/Bundle/AdminBundle/Resources/config/app/twig_hooks/channel/create.yaml b/src/Sylius/Bundle/AdminBundle/Resources/config/app/twig_hooks/channel/create.yaml
index a9b633faef..79bce3076c 100644
--- a/src/Sylius/Bundle/AdminBundle/Resources/config/app/twig_hooks/channel/create.yaml
+++ b/src/Sylius/Bundle/AdminBundle/Resources/config/app/twig_hooks/channel/create.yaml
@@ -81,6 +81,9 @@ sylius_twig_hooks:
             tax_calculation_strategy:
                 template: '@SyliusAdmin/channel/form/sections/money/tax_calculation_strategy.html.twig'
                 priority: 200
+            show_prices_including_tax:
+                template: '@SyliusAdmin/channel/form/sections/money/show_prices_including_tax.html.twig'
+                priority: 150
             currencies:
                 template: '@SyliusAdmin/channel/form/sections/money/currencies.html.twig'
                 priority: 100
diff --git a/src/Sylius/Bundle/AdminBundle/Resources/config/app/twig_hooks/channel/update.yaml b/src/Sylius/Bundle/AdminBundle/Resources/config/app/twig_hooks/channel/update.yaml
index 99d42ccc58..c99cce7fc4 100644
--- a/src/Sylius/Bundle/AdminBundle/Resources/config/app/twig_hooks/channel/update.yaml
+++ b/src/Sylius/Bundle/AdminBundle/Resources/config/app/twig_hooks/channel/update.yaml
@@ -83,6 +83,9 @@ sylius_twig_hooks:
             tax_calculation_strategy:
                 template: '@SyliusAdmin/channel/form/sections/money/tax_calculation_strategy.html.twig'
                 priority: 200
+            show_prices_including_tax:
+                template: '@SyliusAdmin/channel/form/sections/money/show_prices_including_tax.html.twig'
+                priority: 150
             currencies:
                 template: '@SyliusAdmin/channel/form/sections/money/currencies.html.twig'
                 priority: 100
diff --git a/src/Sylius/Bundle/AdminBundle/templates/channel/form/sections/money/show_prices_including_tax.html.twig b/src/Sylius/Bundle/AdminBundle/templates/channel/form/sections/money/show_prices_including_tax.html.twig
new file mode 100644
index 0000000000..322ae06486
--- /dev/null
+++ b/src/Sylius/Bundle/AdminBundle/templates/channel/form/sections/money/show_prices_including_tax.html.twig
@@ -0,0 +1,3 @@
+<div class="col-12">
+    {{ form_row(hookable_metadata.context.form.showPricesIncludingTax) }}
+</div>
diff --git a/src/Sylius/Bundle/CoreBundle/Form/Extension/ChannelTypeExtension.php b/src/Sylius/Bundle/CoreBundle/Form/Extension/ChannelTypeExtension.php
index e9c2eb3291..a4c656ef23 100644
--- a/src/Sylius/Bundle/CoreBundle/Form/Extension/ChannelTypeExtension.php
+++ b/src/Sylius/Bundle/CoreBundle/Form/Extension/ChannelTypeExtension.php
@@ -68,6 +68,10 @@ final class ChannelTypeExtension extends AbstractTypeExtension
             ->add('taxCalculationStrategy', TaxCalculationStrategyChoiceType::class, [
                 'label' => 'sylius.form.channel.tax_calculation_strategy',
             ])
+            ->add('showPricesIncludingTax', CheckboxType::class, [
+                'label' => 'sylius.form.channel.show_prices_including_tax',
+                'required' => false,
+            ])
             ->add('contactEmail', EmailType::class, [
                 'label' => 'sylius.form.channel.contact_email',
                 'required' => false,
diff --git a/src/Sylius/Bundle/CoreBundle/Migrations/Version20260618100000.php b/src/Sylius/Bundle/CoreBundle/Migrations/Version20260618100000.php
new file mode 100644
index 0000000000..a8ff798a7e
--- /dev/null
+++ b/src/Sylius/Bundle/CoreBundle/Migrations/Version20260618100000.php
@@ -0,0 +1,35 @@
+<?php
+
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Sylius Sp. z o.o.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Sylius\Bundle\CoreBundle\Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Sylius\Bundle\CoreBundle\Doctrine\Migrations\AbstractMigration;
+
+final class Version20260618100000 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add show_prices_including_tax column to sylius_channel table';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE sylius_channel ADD show_prices_including_tax TINYINT(1) NOT NULL DEFAULT 0');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE sylius_channel DROP show_prices_including_tax');
+    }
+}
diff --git a/src/Sylius/Bundle/CoreBundle/Migrations/Version20260618100001.php b/src/Sylius/Bundle/CoreBundle/Migrations/Version20260618100001.php
new file mode 100644
index 0000000000..003e1037cb
--- /dev/null
+++ b/src/Sylius/Bundle/CoreBundle/Migrations/Version20260618100001.php
@@ -0,0 +1,35 @@
+<?php
+
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Sylius Sp. z o.o.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Sylius\Bundle\CoreBundle\Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Sylius\Bundle\CoreBundle\Doctrine\Migrations\AbstractPostgreSQLMigration;
+
+final class Version20260618100001 extends AbstractPostgreSQLMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add show_prices_including_tax column to sylius_channel table (PostgreSQL)';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE sylius_channel ADD show_prices_including_tax BOOLEAN NOT NULL DEFAULT false');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE sylius_channel DROP COLUMN show_prices_including_tax');
+    }
+}
diff --git a/src/Sylius/Bundle/CoreBundle/Resources/config/doctrine/model/Channel.orm.xml b/src/Sylius/Bundle/CoreBundle/Resources/config/doctrine/model/Channel.orm.xml
index 83eba4b347..61bb0c2435 100644
--- a/src/Sylius/Bundle/CoreBundle/Resources/config/doctrine/model/Channel.orm.xml
+++ b/src/Sylius/Bundle/CoreBundle/Resources/config/doctrine/model/Channel.orm.xml
@@ -29,6 +29,11 @@
                 <option name="default">0</option>
             </options>
         </field>
+        <field name="showPricesIncludingTax" column="show_prices_including_tax" type="boolean">
+            <options>
+                <option name="default">0</option>
+            </options>
+        </field>
 
         <many-to-one field="defaultLocale" target-entity="Sylius\Component\Locale\Model\LocaleInterface" fetch="EAGER">
             <join-column name="default_locale_id" referenced-column-name="id" nullable="false" />
diff --git a/src/Sylius/Bundle/CoreBundle/Resources/config/services.xml b/src/Sylius/Bundle/CoreBundle/Resources/config/services.xml
index 6899394a2a..2abd73078d 100644
--- a/src/Sylius/Bundle/CoreBundle/Resources/config/services.xml
+++ b/src/Sylius/Bundle/CoreBundle/Resources/config/services.xml
@@ -178,6 +178,16 @@
         </service>
         <service id="Sylius\Component\Core\Calculator\ProductVariantPricesCalculatorInterface" alias="sylius.calculator.product_variant_price" />
 
+        <service
+            id="sylius.calculator.product_variant_price.tax_inclusive"
+            class="Sylius\Component\Core\Calculator\TaxInclusivePricesCalculator"
+            decorates="sylius.calculator.product_variant_price"
+        >
+            <argument type="service" id="sylius.calculator.product_variant_price.tax_inclusive.inner" />
+            <argument type="service" id="sylius.resolver.tax_rate" />
+            <argument type="service" id="sylius.tax_calculator" />
+        </service>
+
         <service id="sylius.section_resolver.uri_based" class="Sylius\Bundle\CoreBundle\SectionResolver\UriBasedSectionProvider">
             <argument type="service" id="request_stack" />
             <argument type="collection" />
diff --git a/src/Sylius/Bundle/CoreBundle/Resources/translations/messages.en.yml b/src/Sylius/Bundle/CoreBundle/Resources/translations/messages.en.yml
index 4c97e99907..c9129f7f85 100644
--- a/src/Sylius/Bundle/CoreBundle/Resources/translations/messages.en.yml
+++ b/src/Sylius/Bundle/CoreBundle/Resources/translations/messages.en.yml
@@ -105,6 +105,7 @@ sylius:
             shop_billing_data: Shop billing data
             skipping_shipping_step_allowed: Skip shipping step if only one shipping method is available?
             skipping_payment_step_allowed: Skip payment step if only one payment method is available?
+            show_prices_including_tax: Show prices including tax in catalog
             tax_calculation_strategy: Tax calculation strategy
             tax_zone_default: Default tax zone
             taxonomies: Taxonomies
diff --git a/src/Sylius/Component/Core/Calculator/TaxInclusivePricesCalculator.php b/src/Sylius/Component/Core/Calculator/TaxInclusivePricesCalculator.php
new file mode 100644
index 0000000000..f8ad9510ce
--- /dev/null
+++ b/src/Sylius/Component/Core/Calculator/TaxInclusivePricesCalculator.php
@@ -0,0 +1,80 @@
+<?php
+
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Sylius Sp. z o.o.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Sylius\Component\Core\Calculator;
+
+use Sylius\Component\Core\Model\ChannelInterface;
+use Sylius\Component\Core\Model\ProductVariantInterface;
+use Sylius\Component\Taxation\Calculator\CalculatorInterface;
+use Sylius\Component\Taxation\Resolver\TaxRateResolverInterface;
+
+final class TaxInclusivePricesCalculator implements ProductVariantPricesCalculatorInterface
+{
+    public function __construct(
+        private readonly ProductVariantPricesCalculatorInterface $inner,
+        private readonly TaxRateResolverInterface $taxRateResolver,
+        private readonly CalculatorInterface $taxCalculator,
+    ) {
+    }
+
+    public function calculate(ProductVariantInterface $productVariant, array $context): int
+    {
+        return $this->applyTax(
+            $this->inner->calculate($productVariant, $context),
+            $productVariant,
+            $context,
+        );
+    }
+
+    public function calculateOriginal(ProductVariantInterface $productVariant, array $context): int
+    {
+        return $this->applyTax(
+            $this->inner->calculateOriginal($productVariant, $context),
+            $productVariant,
+            $context,
+        );
+    }
+
+    public function calculateLowestPriceBeforeDiscount(ProductVariantInterface $productVariant, array $context): ?int
+    {
+        $price = $this->inner->calculateLowestPriceBeforeDiscount($productVariant, $context);
+        if (null === $price) {
+            return null;
+        }
+
+        return $this->applyTax($price, $productVariant, $context);
+    }
+
+    /** @param array<string, mixed> $context */
+    private function applyTax(int $price, ProductVariantInterface $productVariant, array $context): int
+    {
+        /** @var ChannelInterface $channel */
+        $channel = $context['channel'];
+
+        if (!$channel->isShowPricesIncludingTax()) {
+            return $price;
+        }
+
+        $zone = $channel->getDefaultTaxZone();
+        if (null === $zone) {
+            return $price;
+        }
+
+        $taxRate = $this->taxRateResolver->resolve($productVariant, ['zone' => $zone]);
+        if (null === $taxRate || $taxRate->isIncludedInPrice()) {
+            return $price;
+        }
+
+        return $price + (int) round($this->taxCalculator->calculate((float) $price, $taxRate));
+    }
+}
diff --git a/src/Sylius/Component/Core/Model/Channel.php b/src/Sylius/Component/Core/Model/Channel.php
index 00fa43bb7b..fe09f95f82 100644
--- a/src/Sylius/Component/Core/Model/Channel.php
+++ b/src/Sylius/Component/Core/Model/Channel.php
@@ -73,6 +73,8 @@ class Channel extends BaseChannel implements ChannelInterface
 
     protected ?ChannelPriceHistoryConfigInterface $channelPriceHistoryConfig = null;
 
+    protected bool $showPricesIncludingTax = false;
+
     public function __construct()
     {
         parent::__construct();
@@ -293,6 +295,16 @@ class Channel extends BaseChannel implements ChannelInterface
         $this->channelPriceHistoryConfig = $channelPriceHistoryConfig;
     }
 
+    public function isShowPricesIncludingTax(): bool
+    {
+        return $this->showPricesIncludingTax;
+    }
+
+    public function setShowPricesIncludingTax(bool $showPricesIncludingTax): void
+    {
+        $this->showPricesIncludingTax = $showPricesIncludingTax;
+    }
+
     public function getEnabledCountries(): Collection
     {
         return $this->getCountries()->filter(fn (CountryInterface $country): bool => true === $country->isEnabled());
diff --git a/src/Sylius/Component/Core/Model/ChannelInterface.php b/src/Sylius/Component/Core/Model/ChannelInterface.php
index 8f6e34f138..52c641c16a 100644
--- a/src/Sylius/Component/Core/Model/ChannelInterface.php
+++ b/src/Sylius/Component/Core/Model/ChannelInterface.php
@@ -91,6 +91,10 @@ interface ChannelInterface extends
 
     public function hasCountry(CountryInterface $country): bool;
 
+    public function isShowPricesIncludingTax(): bool;
+
+    public function setShowPricesIncludingTax(bool $showPricesIncludingTax): void;
+
     public function setChannelPriceHistoryConfig(ChannelPriceHistoryConfigInterface $channelPriceHistoryConfig): void;
 
     public function getChannelPriceHistoryConfig(): ?ChannelPriceHistoryConfigInterface;
diff --git a/src/Sylius/Component/Core/tests/Calculator/TaxInclusivePricesCalculatorTest.php b/src/Sylius/Component/Core/tests/Calculator/TaxInclusivePricesCalculatorTest.php
new file mode 100644
index 0000000000..ee6fe054d6
--- /dev/null
+++ b/src/Sylius/Component/Core/tests/Calculator/TaxInclusivePricesCalculatorTest.php
@@ -0,0 +1,175 @@
+<?php
+
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Sylius Sp. z o.o.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Tests\Sylius\Component\Core\Calculator;
+
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+use Sylius\Component\Addressing\Model\ZoneInterface;
+use Sylius\Component\Core\Calculator\ProductVariantPricesCalculatorInterface;
+use Sylius\Component\Core\Calculator\TaxInclusivePricesCalculator;
+use Sylius\Component\Core\Model\ChannelInterface;
+use Sylius\Component\Core\Model\ProductVariantInterface;
+use Sylius\Component\Taxation\Calculator\CalculatorInterface;
+use Sylius\Component\Taxation\Model\TaxRateInterface;
+use Sylius\Component\Taxation\Resolver\TaxRateResolverInterface;
+
+#[CoversClass(TaxInclusivePricesCalculator::class)]
+final class TaxInclusivePricesCalculatorTest extends TestCase
+{
+    private MockObject&ProductVariantPricesCalculatorInterface $inner;
+
+    private MockObject&TaxRateResolverInterface $taxRateResolver;
+
+    private CalculatorInterface&MockObject $taxCalculator;
+
+    private MockObject&ProductVariantInterface $productVariant;
+
+    private ChannelInterface&MockObject $channel;
+
+    private TaxInclusivePricesCalculator $calculator;
+
+    protected function setUp(): void
+    {
+        $this->inner = $this->createMock(ProductVariantPricesCalculatorInterface::class);
+        $this->taxRateResolver = $this->createMock(TaxRateResolverInterface::class);
+        $this->taxCalculator = $this->createMock(CalculatorInterface::class);
+        $this->productVariant = $this->createMock(ProductVariantInterface::class);
+        $this->channel = $this->createMock(ChannelInterface::class);
+        $this->calculator = new TaxInclusivePricesCalculator(
+            $this->inner,
+            $this->taxRateResolver,
+            $this->taxCalculator,
+        );
+    }
+
+    public function testItImplementsInterface(): void
+    {
+        $this->assertInstanceOf(ProductVariantPricesCalculatorInterface::class, $this->calculator);
+    }
+
+    public function testItReturnsPriceUnchangedWhenFlagIsDisabled(): void
+    {
+        $this->channel->method('isShowPricesIncludingTax')->willReturn(false);
+        $this->inner->method('calculate')->willReturn(10000);
+        $this->taxRateResolver->expects($this->never())->method('resolve');
+
+        $result = $this->calculator->calculate($this->productVariant, ['channel' => $this->channel]);
+
+        $this->assertSame(10000, $result);
+    }
+
+    public function testItReturnsPriceUnchangedWhenNoDefaultTaxZone(): void
+    {
+        $this->channel->method('isShowPricesIncludingTax')->willReturn(true);
+        $this->channel->method('getDefaultTaxZone')->willReturn(null);
+        $this->inner->method('calculate')->willReturn(10000);
+        $this->taxRateResolver->expects($this->never())->method('resolve');
+
+        $result = $this->calculator->calculate($this->productVariant, ['channel' => $this->channel]);
+
+        $this->assertSame(10000, $result);
+    }
+
+    public function testItReturnsPriceUnchangedWhenNoTaxRateResolved(): void
+    {
+        $zone = $this->createMock(ZoneInterface::class);
+        $this->channel->method('isShowPricesIncludingTax')->willReturn(true);
+        $this->channel->method('getDefaultTaxZone')->willReturn($zone);
+        $this->inner->method('calculate')->willReturn(10000);
+        $this->taxRateResolver->method('resolve')->willReturn(null);
+
+        $result = $this->calculator->calculate($this->productVariant, ['channel' => $this->channel]);
+
+        $this->assertSame(10000, $result);
+    }
+
+    public function testItReturnsPriceUnchangedWhenTaxRateIsIncludedInPrice(): void
+    {
+        $zone = $this->createMock(ZoneInterface::class);
+        $taxRate = $this->createMock(TaxRateInterface::class);
+        $taxRate->method('isIncludedInPrice')->willReturn(true);
+
+        $this->channel->method('isShowPricesIncludingTax')->willReturn(true);
+        $this->channel->method('getDefaultTaxZone')->willReturn($zone);
+        $this->inner->method('calculate')->willReturn(10000);
+        $this->taxRateResolver->method('resolve')->willReturn($taxRate);
+        $this->taxCalculator->expects($this->never())->method('calculate');
+
+        $result = $this->calculator->calculate($this->productVariant, ['channel' => $this->channel]);
+
+        $this->assertSame(10000, $result);
+    }
+
+    public function testItAddsTaxToPriceWhenFlagIsEnabled(): void
+    {
+        $zone = $this->createMock(ZoneInterface::class);
+        $taxRate = $this->createMock(TaxRateInterface::class);
+        $taxRate->method('isIncludedInPrice')->willReturn(false);
+
+        $this->channel->method('isShowPricesIncludingTax')->willReturn(true);
+        $this->channel->method('getDefaultTaxZone')->willReturn($zone);
+        $this->inner->method('calculate')->willReturn(10000);
+        $this->taxRateResolver->method('resolve')->willReturn($taxRate);
+        $this->taxCalculator->method('calculate')->with(10000.0, $taxRate)->willReturn(2300.0);
+
+        $result = $this->calculator->calculate($this->productVariant, ['channel' => $this->channel]);
+
+        $this->assertSame(12300, $result);
+    }
+
+    public function testItAddsTaxToOriginalPrice(): void
+    {
+        $zone = $this->createMock(ZoneInterface::class);
+        $taxRate = $this->createMock(TaxRateInterface::class);
+        $taxRate->method('isIncludedInPrice')->willReturn(false);
+
+        $this->channel->method('isShowPricesIncludingTax')->willReturn(true);
+        $this->channel->method('getDefaultTaxZone')->willReturn($zone);
+        $this->inner->method('calculateOriginal')->willReturn(12000);
+        $this->taxRateResolver->method('resolve')->willReturn($taxRate);
+        $this->taxCalculator->method('calculate')->with(12000.0, $taxRate)->willReturn(2760.0);
+
+        $result = $this->calculator->calculateOriginal($this->productVariant, ['channel' => $this->channel]);
+
+        $this->assertSame(14760, $result);
+    }
+
+    public function testItReturnsNullForLowestPriceWhenInnerReturnsNull(): void
+    {
+        $this->channel->method('isShowPricesIncludingTax')->willReturn(true);
+        $this->inner->method('calculateLowestPriceBeforeDiscount')->willReturn(null);
+
+        $result = $this->calculator->calculateLowestPriceBeforeDiscount($this->productVariant, ['channel' => $this->channel]);
+
+        $this->assertNull($result);
+    }
+
+    public function testItAddsTaxToLowestPrice(): void
+    {
+        $zone = $this->createMock(ZoneInterface::class);
+        $taxRate = $this->createMock(TaxRateInterface::class);
+        $taxRate->method('isIncludedInPrice')->willReturn(false);
+
+        $this->channel->method('isShowPricesIncludingTax')->willReturn(true);
+        $this->channel->method('getDefaultTaxZone')->willReturn($zone);
+        $this->inner->method('calculateLowestPriceBeforeDiscount')->willReturn(9000);
+        $this->taxRateResolver->method('resolve')->willReturn($taxRate);
+        $this->taxCalculator->method('calculate')->with(9000.0, $taxRate)->willReturn(2070.0);
+
+        $result = $this->calculator->calculateLowestPriceBeforeDiscount($this->productVariant, ['channel' => $this->channel]);
+
+        $this->assertSame(11070, $result);
+    }
+}