Free online converters
Our free online converters handle units, numbers, currencies, time zones, and text encoding. All conversions happen instantly in your browser.
22 curated tools in this hub — open any card below, always free in your browser.
Unit Converter
Convert length, weight, temperature, area, volume, speed, energy, pressure, digital storage, and more. Supports metric, imperial, and US units.
Currency Converter
Convert between 160+ world currencies with live exchange rates. See all major currencies at once. Save favorite currency pairs.
Celsius to Fahrenheit Converter
Instantly convert Celsius to Fahrenheit or Fahrenheit to Celsius. Free, real-time temperature converter.
Fahrenheit to Celsius
Convert °F to °C quickly when reading US forecasts, oven dials, or legacy equipment manuals.
Miles to Kilometers
Switch between imperial and metric distance for running splits, road trips, and mapping estimates.
Feet to Meters
Convert length measurements for construction, sports field dimensions, and international specs.
Kilograms to Pounds
Translate mass between metric and US customary units for shipping, fitness, and nutrition labels.
MPH to KPH
Convert vehicle speeds and wind reports between miles per hour and kilometers per hour.
Minutes to Hours
Turn minutes into decimal or clock-style hours for payroll, billing, and study session logs.
Seconds to Minutes
Convert durations between seconds and minutes (and hours) for media timing and workout intervals.
Time Zone Converter
Convert time between world time zones. World clock, meeting planner, DST information, and time difference calculator.
Binary to Text Converter
Convert binary code (8-bit bytes) to readable text instantly. Paste 0s and 1s and decode in real time — free in your browser.
Text to Binary
Turn any string into its binary representation to inspect encodings or share low-level puzzles.
Hex to Decimal
Convert hexadecimal values to base-10 integers for color math, memory addresses, and networking work.
Decimal to Binary
Express whole numbers in binary form with configurable bit width for teaching and bitwise practice.
Hex to Binary
Translate hex nibbles into binary strings to align with datasheets, masks, and digital logic courses.
Number to Words
Spell out integers and decimals in English for checks, legal wording, invoices, and accessibility.
Decimal to Fraction Converter
Convert decimals to simplified fractions and fractions to decimals. Exact math from digit strings — includes mixed numbers and copy buttons. Free in your browser.
Morse Code Translator
Instantly translate text to Morse code or Morse code to text. Free, real-time, works both ways.
Wingdings Translator
Map between readable text and Wingdings-style symbol fonts for decoding legacy documents and puzzles.
Roman Numeral Converter
Convert Arabic numbers (1–3999) to Roman numerals and decode Roman numerals back to numbers. Instant, two-way conversion in your browser.
Cooking Unit Converter
Convert cups, tablespoons, teaspoons, ml, grams, ounces, pounds, and oven temperatures. Includes common ingredient weight equivalents.
Converters — frequently asked questions
This hub covers unit and currency conversion, temperature and speed scales, time and time-zone helpers, number bases (binary, hex, decimal), Roman numerals, Morse code, and other encoding-style transforms.
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