All Unit Converters
Convert between length, weight, temperature, area, volume, time, and speed units instantly.
Table of Contents
How to Use Our Unit Converter
- Select the category you want to convert (Length, Weight, Temperature, Area, Volume, or Time) by clicking the corresponding tab.
- Enter your value in the "From" field.
- Select the source unit and destination unit from the dropdown menus.
- See the result instantly — no need to click any button.
- Use the swap button to reverse the conversion direction.
About Unit Converter
Our unit converter is a free online tool that helps you convert between different units of measurement quickly and accurately. Whether you're converting meters to feet, kilograms to pounds, or Celsius to Fahrenheit, our online unit converter handles it all with ease. No downloads, no sign-ups, and no complicated formulas to remember.
The unit conversion calculator works directly in your browser on any device — desktop, tablet, or smartphone. Simply select your category, enter your values, and get instant results. Our tool supports six essential measurement categories: length, weight, temperature, area, volume, and time.
All conversions happen locally in your browser, ensuring your data stays private and secure.
Length Conversion
The length converter supports all common units of length including meters, kilometers, centimeters, millimeters, miles, yards, feet, and inches. Whether you're converting metric to imperial or vice versa, our length conversion calculator provides accurate results instantly.
This is especially useful for international travel, construction projects, and scientific calculations. The metric system uses meters as the base unit, while the imperial system uses inches, feet, yards, and miles.
Weight Conversion
Our weight converter handles kilograms, grams, milligrams, metric tons, pounds, and ounces. Whether you're tracking your fitness goals, converting recipe ingredients, or working with shipping weights, our weight conversion calculator makes it easy to switch between metric and imperial units.
Key relationship: 1 kilogram ≈ 2.20462 pounds. For cooking, 1 ounce ≈ 28.35 grams.
Temperature Conversion
The temperature converter supports Celsius, Fahrenheit, and Kelvin scales. Whether you're checking the weather forecast in another country, following a recipe with different temperature scales, or working on a science project, our temperature conversion calculator provides accurate conversions with a single click.
Key formulas: °F = (°C × 9/5) + 32, °C = (°F − 32) × 5/9, K = °C + 273.15.
Area Conversion
Our area converter helps you convert between square meters, square kilometers, hectares, acres, square feet, and more. Essential for real estate calculations, land measurement, and construction projects.
Key relationships: 1 acre = 4,046.86 m², 1 hectare = 10,000 m² = 2.471 acres, 1 square mile = 640 acres.
Volume Conversion
The volume converter supports liters, milliliters, gallons, quarts, pints, cups, and fluid ounces. Ideal for cooking measurements, scientific work, and everyday use.
Key relationships: 1 gallon = 4 quarts = 8 pints = 16 cups = 128 fluid ounces. 1 liter ≈ 0.264 US gallons.
Time Conversion
The time converter allows you to convert between seconds, milliseconds, minutes, hours, days, weeks, months, and years. Whether you're calculating project timelines, converting meeting durations, or working on time-sensitive calculations, our time conversion calculator provides instant and accurate results.
Key relationships: 1 hour = 60 minutes = 3,600 seconds. 1 day = 24 hours. 1 week = 7 days. 1 year ≈ 365.25 days.
Speed Conversion
The speed converter supports meters per second, kilometers per hour, miles per hour, feet per second, knots, and more. Whether you're converting road speeds, aviation speeds, or scientific measurements, our speed conversion calculator provides accurate results instantly.
Key relationships: 1 m/s = 3.6 km/h = 2.237 mph. 1 km/h = 0.2778 m/s. 1 knot = 1.852 km/h. 1 Mach ≈ 343 m/s.