🧮 Universal Unit Converter
Convert length, mass, temperature, time, data, speed, area, volume, energy, pressure, power — plus fun units like smoots, beard-seconds, furlongs per fortnight, and more!
Convert Any Unit Instantly
Whether you're cooking, traveling, studying, or working on a project, unit conversion is a daily necessity. This comprehensive unit converter handles over 100 different unit types across multiple categories, from common conversions like feet to meters to specialized units like data storage and energy. No more searching for conversion formulas or doing manual calculations - get instant, accurate results.
Supported Unit Categories
- Length: Meters, feet, inches, miles, kilometers, yards, nautical miles, and more
- Mass/Weight: Kilograms, pounds, ounces, grams, tons, stones, and more
- Temperature: Celsius, Fahrenheit, Kelvin - with automatic conversion formulas
- Volume: Liters, gallons, cups, milliliters, fluid ounces, cubic meters, and more
- Area: Square meters, square feet, acres, hectares, square miles, and more
- Speed: Miles per hour, kilometers per hour, meters per second, knots, and more
- Time: Seconds, minutes, hours, days, weeks, months, years
- Data: Bytes, kilobytes, megabytes, gigabytes, terabytes, and more
- Energy: Joules, calories, kilowatt-hours, BTUs, and more
- Pressure: Pascals, PSI, bars, atmospheres, and more
- Power: Watts, kilowatts, horsepower, BTUs per hour, and more
Common Conversion Scenarios
- Cooking: Convert between cups, tablespoons, milliliters, and ounces for recipes
- Travel: Convert miles to kilometers, Fahrenheit to Celsius for international travel
- Fitness: Convert pounds to kilograms, miles to kilometers for tracking workouts
- Home Improvement: Convert feet to meters, square feet to square meters for measurements
- Science & Engineering: Convert between metric and imperial units, temperature scales
- Data Management: Convert between bytes, megabytes, gigabytes for storage planning
Understanding Different Measurement Systems
Metric System: Used worldwide, based on powers of 10 (meters, liters, grams). More logical and easier to convert between units.
Imperial System: Used primarily in the United States, based on historical measurements (feet, pounds, gallons). More familiar to Americans but less systematic.
Scientific Units: Standardized units used in science and engineering (Kelvin, Pascals, Joules). Essential for precise calculations.
Tips for Accurate Conversions
- Check Your Input: Make sure you've selected the correct "from" and "to" units
- Use Appropriate Precision: For cooking, round to practical measurements. For engineering, use more precision
- Understand Context: Some conversions depend on context (e.g., fluid ounces vs. weight ounces)
- Verify Critical Conversions: For important calculations, double-check results with another source
Fun and Unusual Units
This converter also includes some fun and historical units:
- Smoots: A unit of length equal to 5 feet 7 inches, named after MIT student Oliver Smoot
- Beard-Second: The distance a beard hair grows in one second (about 5 nanometers)
- Furlongs per Fortnight: A humorous unit of speed (1 furlong = 1/8 mile, 1 fortnight = 14 days)
- Light-Year: The distance light travels in one year (about 5.88 trillion miles)
Important Notes
Conversions are calculated using standard conversion factors. Some conversions may have slight variations depending on the specific standard used (e.g., U.S. vs. UK gallons). Temperature conversions use precise formulas. For critical applications, verify conversions with authoritative sources. This tool is designed for general use and educational purposes.
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Tips
- Use the Swap button to flip units instantly.
- Deep link your conversion — the URL updates as you change settings.
- Fun units include: Smoot (height of Oliver R. Smoot), Beard-second (beard growth in 1 second), Sheppey (distance sheep remain picturesque), Furlong per fortnight (~1 cm/min), Jiffy (time light travels 1 cm), Barn (nuclear cross-section), and Donkeypower (~1/3 horsepower)!
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