E6B Aviation Calculator - FLT92.3.1 - App Store

Try it for free - upgrade to unlock all flight calculators. You get full access to all 47 aviation functions:

E6B

- Pressure and density altitudes
- True Airspeed, calibrated airspeed, and mach number
- Wind correction angle
- True heading and compass heading
- Crosswind, headwind, and tailwind
- Ground speed and flight time
- Fuel burn
- Cloud base, cloud temperature, and freezing point / altitude
Ascent and descent planner

Calculate:

- Required climb and descent rate in feet / nm
- Required vertical speed in feet / minutes
- Slope and gradient
- Distance to top of climb / from top of descent
- Time to climb or descend

Fuel Calculator

- Convert between imperial and metric units of volume and weight for Avgas and Jet-A:
Gallons ↔ Liters ↔ Pounds ↔ Kilograms

- Calculate the total endurance given the useable fuel and fuel burn rate.
- Calculate total fuel burnt for flight-time

Weight & Balance

- Quickly and accurately calculate aircraft's CG at ramp, takeoff, landing, and zero-fuel situation

Holding Pattern

- Visualize entry patterns and calculate wind correction to maintain holding pattern

Interpolate

- Interpolate up to three columns of performance data tables

Convert

-14 conversions between imperial and metric units:

- Feet ↔ Meters
- Inches of mercury ↔ Millibars
- Nautical miles ↔ Statute miles ↔ Kilometers
- Fahrenheit ↔ Celsius ↔ Kelvins
- Gallons ↔ Liters
- Pounds ↔ Kilograms
Time Calculator

- Add (or subtract) time in HH:MM:SS formats.
- Convert time between HH:MM:SS and decimal hours, minutes, and seconds.

Change default units for international users

- Altitude in feet or meters
- Barometric pressure in inches of mercury (inHG) or millibars / hectopascals (mb / hPa)
- Distances in nautical miles, statute miles, and kilometers
- Speed in knots, miles per hour, and kilometers per hour
- Temperature in Fahrenheit and celsius
- Volume in US gallons and liters
- Weight in pounds and kilograms
- Center of gravity / arm in inches and meters

Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Version History New in this version: Under the hood improvements, a small performance boost, and more accurate ground speed calculations. 2.3.1 Jan 28 This version includes an updated climb and descent calculator, as well as an improved UI for easier navigation on the iPad. It also includes better support for hardware keyboards. 2.3 Jan 11 Minor UI improvements and clarified in app purchase description 2.2.2 10/13/2025 This version improves UI for users on older devices with smaller screens 2.2.1 10/03/2025 New feature: Holding pattern visualizer 2.2 09/18/2025 This version adds a new and improved ascent and descent calculator. Now you can calculate your profile using slope, distance, time, and vertical speed 2.1 06/25/2025 Version 2.0 brings many improvements including:

- Set custom units of measurement for international customers
- Weight and Balance: Calculate weight and center of gravity for ramp, takeoff, landing, and zero-fuel
- Improved UI 2.0 03/05/2025 This version adds the ability to enter negative values in the weight & balance tool to take fuel burn into account 1.3 02/20/2025 This version fixes bugs and includes performance improvements. 1.2.4 01/10/2025 This review includes bug fixes and performance improvements 1.2.3 01/09/2025 Improved performance for devices running iOS 18 1.2.2 01/09/2025 - Updated contact information
- Note: If you've previously purchased this app, you're all set! Please tap on restore purchases and relaunch the app. 1.2.1 12/15/2024 - Now you can plan your ascent and descent in the E6B page
- 7-day free trial for those who want to try before buying the lifetime option. 1.2 12/15/2024 Added compatibility with non-English number formats 1.1.1 09/10/2024 - Improved UI
- Local and Zulu times 
- Updated fuel densities
- New icon

This update may reset previously entered calculations 1.1.0 08/29/2024 Updated so you can enter a distance greater than 100 NM on the E6B page 1.0.3 06/27/2024 Updated Help & Preferences menu 1.0.2 04/02/2024 Added decimal points to crosswind, headwind, and tailwind readouts for increased accuracy. 1.0.1 02/02/2024 1.0 01/25/2024