Unit Converter Guide
Convert length, weight, temperature, volume, and speed between metric and imperial systems instantly.
Overview
Perform fast, reliable conversions across length, weight, temperature, volume, and speed units without spreadsheets, ads, or complex math formulas.
When to Use Unit Converter
Use Unit Converter for everyday conversions between imperial and metric systems without memorizing conversion constants or opening complex spreadsheets.
Inputs, Formats & Specifications
- Accepted Inputs
- Positive, negative, or decimal floating-point numbers
- Output Formats
- Precision converted numeric values with unit abbreviations and formula notations
- Supported Standards
- Length (mm, cm, m, km, in, ft, yd, mi), Weight (mg, g, kg, oz, lb, ton), Temperature (°C, °F, K), Volume (ml, l, fl oz, gal), Speed (km/h, mph, m/s)
- Browser Limits & Scope
- Floating point math conforms to standard browser precision (up to 15 significant digits). Astronomical or subatomic scales may require specialized scientific notation.
How to use Unit Converter
- Select your measurement category: Length, Weight, Temperature, Volume, or Speed.
- Enter the numeric quantity you want to convert in the source input field.
- Choose your source unit (e.g. Feet, Pounds, Celsius) and target unit (e.g. Meters, Kilograms, Fahrenheit).
- View the converted result instantly with full mathematical precision and copy the output with one click.
Real-World Examples
Frequently Asked Questions
Does the temperature converter handle Kelvin?
Yes, you can convert bidirectionally between Celsius (°C), Fahrenheit (°F), and absolute thermodynamic Kelvin (K).
Are imperial liquid ounces and US customary fluid ounces supported?
The converter utilizes standard US customary fluid ounces and fluid volume definitions widely used in international commerce and cooking.
Are these conversion factors exact?
Yes. Factors conform to international NIST and ISO definitions (e.g., exactly 25.4 mm per inch, exactly 0.45359237 kg per pound).
Privacy & Data Security
Unit Converter is designed to run in the browser. Review outputs before sharing them with any external service or workflow.