***
title: "ProductVariantPriceCalculationStrategy"
generated: true
---------------
## ProductVariantPriceCalculationStrategy
Defines how ProductVariant are calculated based on the input price, tax zone and current request context.
:::info
This is configured via the `catalogOptions.productVariantPriceCalculationStrategy` property of
your VendureConfig.
:::
```ts title="Signature"
interface ProductVariantPriceCalculationStrategy extends InjectableStrategy {
calculate(args: ProductVariantPriceCalculationArgs): Promise;
}
```
* Extends: [`InjectableStrategy`](/current/core/reference/typescript-api/common/injectable-strategy#injectablestrategy)
## ProductVariantPriceCalculationArgs
The arguments passed the `calculate` method of the configured [ProductVariantPriceCalculationStrategy](/current/core/reference/typescript-api/products-stock/product-variant-price-calculation-strategy#productvariantpricecalculationstrategy).
The `productVariant` argument was added in v2.1.0.
```ts title="Signature"
interface ProductVariantPriceCalculationArgs {
inputPrice: number;
productVariantPrice?: ProductVariantPrice;
productVariant: ProductVariant;
taxCategory: TaxCategory;
activeTaxZone: Zone;
ctx: RequestContext;
}
```
### inputPrice
\
### productVariantPrice
\ProductVariantPrice`} />
### productVariant
\ProductVariant`} />
### taxCategory
\TaxCategory`} />
### activeTaxZone
\Zone`} />
### ctx
\RequestContext`} />