UnitFlow: Unit Converter

UnitFlow is an ultra-precise, Swiss-minimalist unit and offline currency converter engineered for professionals, engineers, students, travelers, and everyday calculations. With a clean dark slate design and instant bidirectional typing feedback, UnitFlow transforms complex scientific and financial conversions into an effortless experience.


160+ WORLD CURRENCIES (100% OFFLINE)

Convert between global currencies anywhere in the world without an active Internet connection:

• Global Coverage: Over 160 official currencies including USD, EUR, GBP, JPY, CAD, AUD, CHF, INR, CNY, BRL, and SGD.
• Built-In Offline Benchmarks: Pre-calibrated exchange rates stored directly on your device for seamless travel calculations.
• Instant Cross-Rate Calculations: Convert seamlessly between any pair of currencies with zero latency.
• Quick Currency Search: Instantly filter currencies by ISO code, country name, or international currency symbol.
• Favorite Currencies: Star your frequently used international currencies for instant one-tap access.


12+ COMPREHENSIVE UNIT CATEGORIES

Engineered with scientific precision and standard SI conversion factors:

• Length & Distance: Meters, kilometers, centimeters, millimeters, micrometers, nanometers, miles, yards, feet, inches, and nautical miles.
• Weight & Mass: Kilograms, grams, milligrams, metric tons, pounds, ounces, stones, and carats.
• Temperature: High-precision scale bridging between Celsius, Fahrenheit, and Kelvin (Absolute Zero).
• Speed & Velocity: Kilometers per hour (km/h), miles per hour (mph), meters per second (m/s), knots, and Mach.
• Area & Land: Square meters, square kilometers, hectares, acres, square feet, square yards, and square miles.
• Liquid Volume: Liters, milliliters, cubic meters, US gallons, quarts, pints, cups, fluid ounces, and tablespoons.
• Time & Duration: Milliseconds, seconds, minutes, hours, days, weeks, average months, and calendar years.
• Digital Data Storage: Decimal standards (KB, MB, GB, TB) and binary computing architectures (KiB, MiB, GiB).
• Pressure: Pascal, kilopascal, bar, pounds per square inch (PSI), standard atmosphere (atm), and Torr / mmHg.
• Work & Energy: Joules, kilojoules, calories, kilocalories (food Cal), watt-hours, kilowatt-hours (kWh), and BTU.
• Fuel Economy: US MPG, UK Imperial MPG, kilometers per liter (km/L), and liters per 100 km (L/100km).

ALL UNITS MATRIX & MULTI-PREVIEW
Maximize productivity with simultaneous multi-unit calculations:

• All Units Matrix: Enter a value once and instantly view live conversions across every single unit in that category.
• Real-Time Quick Preview: Dynamic preview cards show top alternate unit measurements as you type.
• Single-Tap Copy: Copy calculated values directly to your device clipboard with tactile confirmation.
• Bidirectional Swapping: Tap the swap button to invert input and output units instantaneously.

SCIENTIFIC FORMULAS & SI PREFIX REFERENCE

Learn the underlying mathematics behind your calculations:

• Formula Display: Review the exact mathematical equation applied for every active conversion.
• Interactive Formula Guide: Built-in reference handbook explaining temperature intersections, fuel economy inverses, and land measurement standards.
• Standard SI Prefix Table: Quick lookup table for metric multipliers from Giga and Mega to Micro and Nano.

100% PRIVATE, SECURE & OFFLINE

Your calculations remain completely private:

• Zero User Account Mandatory: No sign-ups, passwords, phone numbers, or email registrations.
• Complete Offline Independence: Operates entirely locally on your device without requiring cellular data or Wi-Fi.
• Zero Data Broker SDKs: No invasive analytics scripts, location tracking, or cross-application profiling.
• Configurable Decimal Precision: Choose between 2, 3, 4, or 6 decimal places to match your exact workflow needs.

Experience fast, accurate, and distraction-free conversions every day with UnitFlow.