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+---
+title: int
+linktitle: int
+description: Creates an `int` from the argument passed into the function.
+godocref:
+date: 2017-02-01
+publishdate: 2017-02-01
+lastmod: 2017-02-01
+categories: [functions]
+menu:
+  docs:
+    parent: "functions"
+keywords: [strings,integers]
+signature: ["int INPUT"]
+workson: []
+hugoversion:
+relatedfuncs: []
+deprecated: false
+aliases: []
+---
+
+Useful for turning strings into numbers.
+
+```
+{{ int "123" }} → 123
+```
+
+{{% note "Usage Note" %}}
+If the input string is supposed to represent a decimal number, and if it has
+leading 0's, then those 0's will have to be removed before passing the string
+to the `int` function, else that string will be tried to be parsed as an octal
+number representation.
+
+The [`strings.TrimLeft` function](/functions/strings.trimleft/) can be used for
+this purpose.
+
+```
+{{ int ("0987" | strings.TrimLeft "0") }}
+{{ int ("00987" | strings.TrimLeft "0") }}
+```
+
+**Explanation**
+
+The `int` function eventually calls the `ParseInt` function from the Go library
+`strconv`.
+
+From its [documentation](https://golang.org/pkg/strconv/#ParseInt):
+
+> the base is implied by the string's prefix: base 16 for "0x", base 8 for "0",
+> and base 10 otherwise.
+{{% /note %}}