Millimeters, centimeters, meters, kilometers, inches, feet, yards, miles, light-years, nautical miles, nanometers, and parsecs.

Grams, kilograms, ounces, pounds, carats, grains, stones, slugs, and metric tons for shipping, jewelry, and science.

US cups, metric cups, tablespoons, teaspoons, fluid ounces, pinches, dashes, and butter sticks.

US Dollar (USD), Euro (EUR), British Pound (GBP), Pakistani Rupee (PKR), Indian Rupee (INR), Dirham (AED), Riyal (SAR), Bitcoin (BTC), and 40+ currencies.

Tola, Grams, Troy Ounces, Carats, Sovereigns, Mashas, and Rattis for jewelry and bullion.

Celsius, Fahrenheit, Kelvin, Rankine, Réaumur, and scientific temperature scales.

Square meters, feet, inches, acres, hectares, kanals, marlas, bighas, and dunams for global real estate.

Liters, milliliters, gallons, cubic feet, cubic yards, oil barrels, cups, pints, and UK imperial gallons.

Miles per hour (mph), km/h, m/s, knots, ft/s, Mach (speed of sound), and speed of light.

Nanoseconds, microseconds, milliseconds, seconds, minutes, hours, days, weeks, months, years, decades, and centuries.

Milligrams per deciliter (mg/dL) and millimoles per liter (mmol/L) for diabetes and clinical glucose tests.

Meters per square second (m/s²), standard gravity (g-force), ft/s², Gal, and mph/s.

Coulombs (C), milliampere-hours (mAh), Ampere-hours (Ah), Faradays, and Elementary Charge.

Picofarads (pF), Nanofarads (nF), Microfarads (µF), Millifarads (mF), and Farads (F).

Centipoise (cP), Pascal-seconds (Pa·s), Poise (P), mPa·s, and lbf·s/ft² for fluids and oils.

Tesla (T), Gauss (G), Millitesla (mT), Microtesla (µT), Milligauss (mG), and Gamma.

Amperes (A), Milliamperes (mA), Microamperes (µA), Kiloamperes (kA), and Abamperes.

Volts (V), Millivolts (mV), Microvolts (µV), Kilovolts (kV), and Megavolts (MV).

Ohms (Ω), Kiloohms (kΩ), Megaohms (MΩ), Gigaohms (GΩ), and Milliohms (mΩ).

Newton-meters (N·m), pound-feet (lb-ft), pound-inches, and kgf·m for engines and fasteners.

PSI, bar, pascals (Pa), megapascals (MPa), millibars (hPa), inHg, cmH₂O, and atmospheres.

Watts, kilowatts, megawatts, gigawatts, mechanical horsepower (hp), metric horsepower (PS), and tons of refrigeration (TR).

Joules, kilojoules, megajoules, calories, kilocalories, kWh, electronvolts (eV), foot-pounds, and therms.

Newtons (N), kilonewtons (kN), meganewtons (MN), pounds-force (lbf), kilogram-force (kgf), and kips.

g/cm³, kg/m³, lb/ft³, lb/in³, and specific gravity across material engineering.

Gallons per minute (GPM), liters/min, CFM (cubic feet/min), and m³/hour for HVAC and plumbing.

Bits, bytes, kilobytes, megabytes, gigabytes, terabytes, petabytes, KiB, MiB, GiB, TiB, and Exabytes.

Bits per second (bps), Kbps, Mbps, Gbps, Bytes/s, MB/s, and GB/s for bandwidth testing.

Pixels (px), REM, EM, Points (pt), and percent (%) for front-end web design and CSS.

Hertz (Hz), kilohertz (kHz), megahertz (MHz), gigahertz (GHz), and RPM.

Sieverts (Sv), millisieverts (mSv), microsieverts (µSv), Grays (Gy), Rem, and Rad for dosimetry.

Decimal (Base 10), Binary (Base 2), Hexadecimal (Base 16), Octal, and Roman Numerals.

Degrees (°), radians (rad), gradians (grad), revolutions (turns), arcminutes, arcseconds, and milliradians (MIL).

MPG (US), MPG (Imperial/UK), Liters per 100km (L/100km), and km per Liter for vehicles.

Lux (lx), foot-candles (fc), phot, and lumens per square meter for lighting engineering.