From This to That

From This to That is a comprehensive unit converter that puts thousands of conversions at your fingertips. Whether you're a student, engineer, scientist, or just need to convert a recipe from metric to imperial, this app has you covered. 80+ conversion categories: Common — Length, area, volume, weight & mass, temperature, pressure, energy, power, force, time, speed, angle, and fuel consumption. Engineering — Acceleration, angular velocity, angular acceleration, density, specific volume, moment of inertia, moment of force, and torque. Heat — Fuel efficiency, temperature interval, thermal expansion, thermal resistance, thermal conductivity, specific heat capacity, heat density, heat flux density, and heat transfer coefficient. Fluids — Flow (volumetric, mass, molar), mass flux density, concentration (molar, solution), viscosity (dynamic, kinematic), surface tension, and permeability. Electricity & Magnetism — Charge, current, electric field strength, electric potential, resistance, resistivity, conductance, conductivity, capacitance, inductance, magnetomotive force, magnetic field strength, and magnetic flux. Light & Sound — Luminance, luminous intensity, illumination, digital image resolution, frequency, and sound levels. Radiology — Radiation, radiation activity, exposure, and absorbed dose. Plus specialty converters: - Color codes — Convert between HEX, RGB, HSL, HSV, and CMYK with a built-in color picker - Morse code — Translate text to and from Morse code - Roman numerals — Convert between decimal numbers and Roman numerals - Number bases — Convert between binary, octal, decimal, hexadecimal, and more - Text case — Transform text between camelCase, snake_case, kebab-case, Title Case, and others - Timezone — Convert times across world time zones - Metric prefixes — Convert between nano, micro, milli, kilo, mega, giga, and beyond Key Features: - Display as decimal, fractions, or compound - Tap any result to copy it to your clipboard - Export conversions to CSV and share them - Search across all categories and units to find what you need instantly - Clean, native interface on iPhone, iPad, and Mac - Support for Apple Shortcuts - No ads. No subscriptions. No data collection. No internet required.