---
title: accuracy
framework: coremotion
role: symbol
role_heading: Instance Property
path: coremotion/cmabsolutealtitudedata/accuracy
---

# accuracy

The estimated uncertainty of the altimeter in meters, based on one standard deviation.

## Declaration

```swift
var accuracy: Double { get }
```

## See Also

### Accessing Altitude Data

- [altitude](coremotion/cmabsolutealtitudedata/altitude.md)
- [precision](coremotion/cmabsolutealtitudedata/precision.md)