Common Unit Converters
Welcome to your all-in-one hub for the most popular unit conversions! Instantly convert between length, weight, volume, temperature, area, time, and more. Our tools are fast, accurate, and easy to use on any device.
Most Popular Converters
- Length Converter – Convert meters, centimeters, inches, feet, miles, and more.
- Weight Converter – Instantly convert kilograms, grams, pounds, ounces, and tons.
- Volume Converter – Convert liters, milliliters, gallons, cups, and more.
- Temperature Converter – Celsius, Fahrenheit, Kelvin, and more.
- Area Converter – Square meters, acres, hectares, square feet, and more.
- Time Converter – Seconds, minutes, hours, days, weeks, months, years.
- Pressure Converter – Convert pascals, bars, atmospheres, psi, and more.
- Energy Converter – Joules, calories, kilowatt-hours, BTUs, and more.
- Speed Converter – Meters per second, kilometers per hour, miles per hour, knots, and more.
- Angle Converter – Degrees, radians, gradians, and more.
How to Use Our Unit Converters
- Choose the type of conversion you need (e.g., length, weight, volume).
- Enter your value and select the units to convert from and to.
- Get instant, accurate results and a clear explanation of the conversion.
All converters are mobile-friendly, free, and require no registration.
Popular Conversion Formulas
| Conversion | Formula |
|---|---|
| Centimeters to Inches | cm ÷ 2.54 |
| Kilograms to Pounds | kg × 2.20462 |
| Liters to Gallons | l × 0.264172 |
| Celsius to Fahrenheit | (°C × 9/5) + 32 |
| Square Meters to Square Feet | m² × 10.7639 |
| Minutes to Hours | min ÷ 60 |
Unit Types Explained
Length Units
Length measures distance. Common units: meter (m), centimeter (cm), inch (in), foot (ft), mile (mi), kilometer (km).
Weight & Mass Units
Weight and mass measure how heavy something is. Common units: kilogram (kg), gram (g), pound (lb), ounce (oz), ton (t).
Volume Units
Volume measures how much space something takes up. Common units: liter (l), milliliter (ml), gallon (gal), cup, pint, quart.
Temperature Units
Temperature measures how hot or cold something is. Common units: Celsius (°C), Fahrenheit (°F), Kelvin (K).
Area Units
Area measures the size of a surface. Common units: square meter (m²), square foot (ft²), acre, hectare.
Time Units
Time measures duration. Common units: second (s), minute (min), hour (h), day, week, month, year.
FAQ – Common Unit Conversions
- How do I convert between metric and imperial units?
- Use our converters to instantly switch between metric (e.g., meters, kilograms) and imperial (e.g., feet, pounds) units. Each tool provides the correct formula and explanation.
- Are these converters free to use?
- Yes! All our tools are 100% free and require no registration.
- Can I use these converters on my phone?
- Absolutely. All converters are mobile-friendly and work on any device.
- How accurate are the conversions?
- We use up-to-date, internationally recognized conversion factors and formulas for maximum accuracy.
- Do you support all major units?
- Yes, we support all major metric and imperial units for each category.
Looking for a specific conversion? Try our dedicated tools for cm to inches, inches to cm, mm to inches, and more!