Unit Converter
Convert between different units of measurement instantly
Convert Units
Conversion Result
Enter a value and select units to see the conversion result
Quick Conversions
Length
- Millimeter (mm)
- Centimeter (cm)
- Meter (m)
- Kilometer (km)
- +4 more
Weight
- Milligram (mg)
- Gram (g)
- Kilogram (kg)
- Pound (lb)
- +2 more
Temperature
- Celsius (°C)
- Fahrenheit (°F)
- Kelvin (K)
Volume
- Milliliter (ml)
- Liter (l)
- Cubic Meter (m³)
- Gallon (US) (gal)
- +2 more
About the Unit Converter
Our Unit Converter is a comprehensive tool that allows you to instantly convert between different units of measurement across multiple categories. Whether you're working on a school project, cooking a recipe from another country, or handling international business measurements, our converter makes it easy to switch between different measurement systems.
The converter supports four main categories: Length (distance), Weight (mass), Temperature, and Volume (capacity). Each category contains the most commonly used units, from metric to imperial systems, ensuring you can handle any conversion need. All conversions use internationally recognized conversion factors for maximum accuracy and reliability.
What makes our converter special is its simplicity and speed. Just select your category, enter your value, choose your source and target units, and see instant results. The intuitive swap button allows you to quickly reverse the conversion if needed. No complex formulas or calculations required on your part - we handle all the math behind the scenes.
Common Conversion Examples
Length Conversions
1 meter = 3.28084 feet
1 kilometer = 0.621371 miles
1 inch = 2.54 centimeters
1 yard = 0.9144 meters
Weight Conversions
1 kilogram = 2.20462 pounds
1 pound = 16 ounces
1 gram = 0.035274 ounces
1 ton = 1000 kilograms
Temperature Conversions
0°C = 32°F = 273.15 K
100°C = 212°F = 373.15 K
20°C = 68°F = 293.15 K
-40°C = -40°F = 233.15 K
Volume Conversions
1 liter = 0.264172 gallons
1 gallon = 3.78541 liters
1 milliliter = 0.033814 fl oz
1 cubic meter = 1000 liters
Quick Conversion Tips
Remember Common Conversions
Memorize a few key conversions for quick mental math: 1 km ≈ 0.6 miles, 1 kg ≈ 2.2 lbs, 1 inch = 2.54 cm. These approximate values are useful for everyday estimations.
Temperature Tip
Quick Celsius to Fahrenheit: multiply by 2 and add 30 for a rough estimate. For accuracy, use our converter which applies the exact formula: F = (C × 9/5) + 32.
Cooking Conversions
When following international recipes, always convert measurements accurately. A cup can vary between metric and US measurements, so use our converter for precision in your cooking.
Scientific Accuracy
For scientific work, use our converter's precise decimal results. We provide up to 6 decimal places for accuracy in research, engineering, and technical applications.
Frequently Asked Questions
How accurate are the conversions?
Our unit converter uses internationally recognized conversion factors and provides accurate results up to 6 decimal places. For most practical purposes, this level of precision is more than sufficient. All conversion formulas are based on official standards from organizations like the International System of Units (SI).
Can I convert between different categories?
No, you can only convert within the same category (e.g., length to length, weight to weight, temperature to temperature, volume to volume). Each category represents different physical quantities that cannot be directly converted to one another. For example, meters (length) cannot be converted to kilograms (weight) as they measure fundamentally different properties.
Are temperature conversions accurate?
Yes, our temperature converter uses the standard, precise formulas for converting between Celsius, Fahrenheit, and Kelvin. The formulas are: F = (C × 9/5) + 32, K = C + 273.15, and their inverses. These are the exact formulas used by scientists, meteorologists, and engineers worldwide.
What's the difference between metric and imperial units?
The metric system (meters, kilograms, liters) is based on powers of 10, making it easier to convert between units. The imperial system (feet, pounds, gallons) is primarily used in the United States and has more varied conversion factors. Most countries worldwide use the metric system, but our converter supports both for global compatibility.
Why do I need a unit converter?
Unit converters are essential when working with international measurements, following recipes from different countries, understanding weather forecasts in different units, completing school or work projects, shopping online from foreign retailers, or traveling abroad. They eliminate calculation errors and save time compared to manual conversions.
Can I convert cooking measurements?
Yes! Our volume converter handles cooking measurements like cups, tablespoons, teaspoons, milliliters, and liters. However, note that a "cup" can vary slightly between countries (US cup vs metric cup). For baking where precision matters, always use weight measurements (grams, ounces) for the most accurate results.
Does the converter work for large numbers?
Yes, our converter can handle very large and very small numbers. Whether you're converting astronomical distances in light-years or microscopic measurements in nanometers, the converter will provide accurate results. The tool uses JavaScript's number handling which supports extremely wide range of values.
Are conversions instant or do they require calculation time?
All conversions are instant! The calculations happen in your browser in milliseconds. There's no delay or waiting time, even for complex conversions. As soon as you enter a value or change units, the result updates immediately, making it perfect for quick reference or multiple conversions.