Calculate , altimeter setting, relative air , and relative humidity using GPS, weather data, and the phone's barometer. Track specific humidity in grains per pound. Suitable for pilots, engine tuning, and outdoor activities.
by Kristian Ljungkvist★ 4.81,043 ratingsNavigation$3.99Data updated 2026-11-09
Convert units across multiple categories with one . Add favorite conversions for quick access. Use built-in calculator for math operations. Switch between conversion types easily. No ads except special promotions.
BALLISTIC SOLUTIONS RESEARCH & DEVELOPMENT SOFTWARE SIARHEI RAICHONAK
Calculate and spark plug settings
Calculate optimal and spark plug settings for 2-strokes based on temperature, altitude, humidity, atmospheric pressure, and engine configuration. Fetch weather data from nearby stations or use internal barometer for precise measurements.
BALLISTIC SOLUTIONS RESEARCH & DEVELOPMENT SOFTWARE SIARHEI RAICHONAK
Jet tune based on weather and engine
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Perform calculations and unit conversions for aviation tasks. Access over 100 calculators with equations and graphics. Save and retrieve calculation results. Convert units for fuel, distance, speed, and weight.
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BALLISTIC SOLUTIONS RESEARCH & DEVELOPMENT SOFTWARE SIARHEI RAICHONAK
Jet tune with engine data and fuel
Adjust and spark plug settings for 4-strokes MX bikes with Keihin FCR carburetors. Input fuel type and engine configuration. Fetch real-time weather data including temperature, pressure, and humidity from nearby stations.
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The app calculates PPMv from dew point and pressure for ideal gases. It also converts dew point and temperature to relative humidity, supporting various units for dew point, pressure, and temperature.