modeling-app/docs/kcl/int.md

---
title: "int"
excerpt: "Convert a number to an integer."
layout: manual
---

Convert a number to an integer.

Callers should use floor(), ceil(), or other rounding function first if they care about how numbers with fractional parts are converted.  If the number has a fractional part, it's truncated, moving the number towards zero.
If the number is NaN or has a magnitude, either positive or negative, that is too large to fit into the internal integer representation, the result is a runtime error.

```js
int(num: number) -> i64
```

### Tags

* `convert`


### Arguments

| Name | Type | Description | Required |
|----------|------|-------------|----------|
| `num` | `number` |  | Yes |

### Returns

`i64` 


### Examples

```js
let n = int(ceil(5 / 2))
assertEqual(n, 3, 0.0001, "5/2 = 2.5, rounded up makes 3")
// Draw n cylinders.
startSketchOn('XZ')
  |> circle({ center: [0, 0], radius: 2 }, %)
  |> extrude(5, %)
  |> patternTransform(n, (id) => {
    return { translate: [4 * id, 0, 0] }
}, %)
```

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