Paragliding Physics Calculators
Paragliding Parameters
Reserve type "square" requires roughly 2.8s to fully inflate. Always visually verify lines are clear.
Explore Additional Utilities
Speaker coverage — wattage ↔ room size ↔ SPL
Calculate audience continuous and peak decibel sound pressure levels based on amplifier power, distance, and sensitivity.
Magnetic Declination
Estimate compass alignment values and offset angles between magnetic north and true north.
Contour interval ↔ slope gradient — terrain steepness
Calculate terrain steepness, percentage grade, and slope angles using contour line spacing and map contour intervals.
Text Case Converter
Swiftly switch text between UPPERCASE, lowercase, camelCase, snake_case, or Title Case.
Length Converter
Convert between meter, kilometer, centimeter, mile, yard, foot, inch, and more.
Maritime & Aviation Speed
Convert maritime knots, airspeed parameters, and hourly nautical coordinates.
Shorthand speed — words per minute ↔ strokes
Analyze cursive shorthand writing velocities (Gregg, Pitman, Teeline) to compare stroke density limits and WPM targets.
Roman Numeral Converter
Convert between classical Roman numerals (XIV, MCMLXX) and decimal integers dynamically.
Warp and weft density — ends per cm ↔ picks per cm
Convert thread density between ends/picks per centimeter and ends/picks per inch (EPI/PPI).
Wire feed speed ↔ amperage — MIG welding settings
Calculate MIG wire feed speed (WFS) and matching amperage. Includes gas recommendations and presets for steel, stainless, and aluminum.
GPS Format Converter
Convert global latitude and longitude between Decimal Degrees (DD) and Degrees Minutes Seconds (DMS).
Power to weight ratio — watts ↔ w/kg — cycling performance
Determine cycling performance power-to-weight ratio (W/kg) based on wattage and body weight.
Firewood volume — cords ↔ cubic meters ↔ cubic feet
Convert between cords, face cords, steres, and cubic volumes. Compute solid wood volumes, green or dry weight, and thermal BTU outputs.
GSM ↔ oz per sq yard — fabric weight
Convert fabric weight between Grams per Square Meter (GSM) and ounces per square yard.
Paper Size Comparer
Convert standard paper formats (A4, Letter, Legal, A3) in mm/inches and visually compare overlap.
Enthalpy ↔ temperature ↔ pressure — steam tables
Estimate saturated water and steam properties including boiling point, saturated pressure, and enthalpies.
Entropy bits ↔ password strength — character set + length
Calculate Shannon entropy bits based on character pool variety and length. Estimate brute-force resistance across various threat models.
Battery capacity — Ah ↔ Wh ↔ days of autonomy
Convert between Amp-hours (Ah) and Watt-hours (Wh) and calculate battery bank backup days of autonomy based on loads.
Speech Rate (WPM ↔ Pages)
Calculate presentation speech times, audio length, and page count equivalents using custom words per minute (WPM).
Electron volts ↔ joules ↔ nanometers — photon energy
Convert between photon energy (eV, Joules) and physical wavelengths (nm, pm) or frequency (THz).