---
title: 'Liquid filters: plus'
description: Adds two numbers.
source_url:
  html: 'https://shopify.dev/docs/api/liquid/filters/plus'
  md: 'https://shopify.dev/docs/api/liquid/filters/plus.md'
api_name: liquid
---

# plus

```oobleck
number | plus: number
```

returns [number](https://shopify.dev/docs/api/liquid/basics#number)

Adds two numbers.

##### Code

```liquid
{{ 2 | plus: 2 }}
```

##### Output

```html
4
```