---
title: "PBUnitSystem Constants Reference"
canonical_url: https://developer.repebble.com/docs/pebblekit-ios/Constants/PBUnitSystem/
last_updated: 2026-10-28
sdk_version: 4.33.1
---
# PBUnitSystem Constants Reference

Source: https://developer.repebble.com/docs/pebblekit-ios/Constants/PBUnitSystem/

| Declared in | PBWatch+Sports.h |
| References | -[PBWatch(Sports) sportsAppSetUnitSystem:onSent:] |

### PBUnitSystem

The unit system available for the Sports app.

#### Definition
`typedef NS_ENUM(NSInteger, PBUnitSystem ) {    PBUnitSystemMetric,    PBUnitSystemImperial, };`

#### Constants
`PBUnitSystemMetric`

The metric system. Use kilometers, kilometers per hour and minutes per kilometer.

Declared In `PBWatch+Sports.h`.

`PBUnitSystemImperial`

The imperial system. Use miles, miles per hour and minutes per mile.

Declared In `PBWatch+Sports.h`.

#### See Also

- `[PBWatch(Sports) sportsAppSetUnitSystem:onSent:]`

#### Declared In

`PBWatch+Sports.h`