---
title: atmosphere()
framework: healthkit
role: symbol
role_heading: Type Method
path: healthkit/hkunit/atmosphere()
---

# atmosphere()

Returns a HealthKit unit for measuring pressure in atmospheres.

## Declaration

```swift
class func atmosphere() -> Self
```

## Return Value

Return Value A HealthKit unit for measuring pressure in atmospheres.

## Discussion

Discussion One atmosphere is the average atmospheric pressure at sea level.

## See Also

### Constructing pressure units

- [pascal()](healthkit/hkunit/pascal().md)
- [pascalUnit(with:)](healthkit/hkunit/pascalunit(with:).md)
- [millimeterOfMercury()](healthkit/hkunit/millimeterofmercury().md)
- [inchesOfMercury()](healthkit/hkunit/inchesofmercury().md)
- [centimeterOfWater()](healthkit/hkunit/centimeterofwater().md)
- [decibelAWeightedSoundPressureLevel()](healthkit/hkunit/decibelaweightedsoundpressurelevel().md)