---
name: "BIS_fnc_posDegToUTM"
type: function
status: ok
groups: ["Map and Markers"]
arma3_since: "0.50"
locality: {"argument": null, "effect": null, "server_exec": false}
source: https://community.bistudio.com/wiki/BIS_fnc_posDegToUTM
revid: 338004
updated: 2023-02-23T21:11:10Z
---

# BIS_fnc_posDegToUTM

*Function · Map and Markers · Arma 3 v0.50 · introduced in Take On Helicopters v1.00*

## Description

Generate a [UTM Zone](https://en.wikipedia.org/wiki/Universal_Transverse_Mercator_coordinate_system#UTM_zone), Easting and Northing from lat and long fields.
It uses [NAD83 constants](https://en.wikipedia.org/wiki/North_American_Datum).

## Syntax

```sqf
[longitude, latitude*, zone*] call BIS_fnc_posDegToUTM
```

**Parameters:**

- `longitude`: [Number](../topics/Number.md)
- `latitude`: [Number](../topics/Number.md)
- `zone`: [Number](../topics/Number.md) - (Optional, default `31 + floor (_longitude / 6)`)

**Returns:** [Array](../topics/Array.md) of [Number](../topics/Number.md)s - format [easting, northing, zone]

## Examples

### Example 1

```sqf
private _utmZone = [47.63959,-122.127249] call BIS_fnc_posDegToUTM;
```

## See also

[BIS_fnc_posDegToWorld](../functions/BIS_fnc_posDegToWorld.md) · [BIS_fnc_posUTMToDeg](../functions/BIS_fnc_posUTMToDeg.md)

<sub>Source: [BI Community Wiki — BIS fnc posDegToUTM](https://community.bistudio.com/wiki/BIS_fnc_posDegToUTM) (revision 338004).</sub>