Air Density Calculator
Air Density & Atmosphere Tool
$2.99 · Designed for iPad. Not verified for macOS.
Calculate air density and atmospheric properties instantly with this professional engineering calculator. Designed for engineers, pilots, meteorologists, and physics students who need quick, accurate results without an internet connection.
Accurate Air Density Calculation
Compute air density using the ideal gas law: ρ = (pd / (rd * T)) + (pv / (rv * T)). Enter temperature and pressure in your preferred units and get precise results immediately.
Three Powerful Modes
• Density Mode - Calculate air density from temperature and pressure inputs
• Reverse Solve Mode - Find any unknown variable (pressure, temperature, or density) when the other two are known
• Altitude Mode - Estimate temperature, pressure, and air density at any altitude using the International Standard Atmosphere (ISA) model
Flexible Unit Support
Switch freely between units:
• Temperature: Celsius / Kelvin
• Pressure: Pa / hPa / atm
• Altitude: meters / feet
All conversions are handled automatically so you can work in the units you prefer.
Show Your Work
Tap "Show Steps" to reveal the full calculation breakdown including the formula used, unit conversions, substituted values, and final result. Perfect for learning, teaching, or verifying your work.
Tap to Copy
Tap any result to copy it to your clipboard instantly. Paste values directly into reports, spreadsheets, or other tools.
Calculation History
Save your results, review past calculations, or swipe to delete.
Built for Professionals
• Works completely offline. No internet required.
• Clean, distraction-free interface designed for fast input
• Built-in reference page with formulas, constants, and unit conversions
• Supports Dark Mode
• Optimized for iPhone and iPad
Who Is This For?
• Aerospace and mechanical engineers
• Pilots and aviation professionals
• HVAC technicians
• Meteorologists and atmospheric scientists
• Physics and engineering students
• Anyone working with gas laws and atmospheric data
Download now and get reliable air density calculations in seconds.
Thank you for your support. Please visit nitrio.com for more apps for your iOS devices.
Ratings & Reviews
- Optimized for the latest devices.
- Fixed minor bugs.
- Improved and redesigned the UI.
The developer, Nitrio, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Tan Chia Ling
- Size
- 759.8 KB
- Category
- Utilities
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
English and 8 more
- English, French, German, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- Copyright
- © Tan Chia Ling

