Free Online Unit Converter - Convert Any Unit Instantly

Instantly convert between length, weight, temperature, speed, time, data, area, volume, energy, and pressure units. Fast, accurate, and easy-to-use converter for students, professionals, and everyday use.

Select Category

From

0.001

Supported Categories

• Length: Meter, Kilometer, Mile, Foot, Inch, etc.

• Weight: Kilogram, Gram, Pound, Ounce, Ton, etc.

• Temperature: Celsius, Fahrenheit, Kelvin

• Speed: m/s, km/h, mph, Knot, etc.

• Time: Second, Minute, Hour, Day, Week, Month, Year

• Data Storage: Byte, KB, MB, GB, TB, PB

• Area: m², km², Acre, Hectare, etc.

• Volume: Liter, Gallon, Cup, Pint, etc.

• Energy: Joule, Calorie, kWh, etc.

• Pressure: Pascal, Bar, PSI, atm, etc.

Unit Converter Features

⚡ Instant Conversion

Convert units in real-time as you type. No page reloads, no waiting.

📚 10+ Categories

Supports length, weight, temperature, speed, time, data, area, volume, energy, and pressure.

🔢 70+ Units

Comprehensive unit support for science, engineering, cooking, and daily life.

🎨 Clean, Modern UI

Easy-to-use interface, mobile friendly, and visually appealing for all users.

🔒 Privacy First

All conversions are performed in your browser. No data is sent to any server.

💡 Educational

Great for students, teachers, and professionals needing quick, accurate conversions.

Popular Use Cases

📏 Science & EngineeringInstantly convert metric and imperial units for lab work, research, and technical projects.

🍳 Cooking & RecipesConvert volume, weight, and temperature units for international recipes and kitchen use.

🏃 Fitness & SportsTrack distances, speeds, and weights for workouts, running, and training.

🧳 Travel & NavigationConvert currencies, distances, and time zones while traveling abroad.

💻 IT & DataConvert data storage units for computers, servers, and cloud storage.

🏠 Home ImprovementCalculate area, volume, and measurements for renovations and DIY projects.

How to Use the Unit Converter

1
Select Category: Choose the type of unit you want to convert (e.g., length, weight, temperature).
2
Enter Value: Type the value you want to convert.
3
Choose Units: Select the units to convert from and to.
4
View Result: See the converted value instantly.
5
Swap Units (Optional): Use the swap button to quickly reverse the conversion direction.

Frequently Asked Questions

Is this unit converter free?

Yes! Our unit converter is 100% free to use with no registration or hidden costs.

Can I use it on mobile?

Absolutely! The converter is fully responsive and works great on smartphones and tablets.

Are conversions accurate?

Yes, all conversions use standard multipliers and formulas for precise results.

Is my data private?

100%. All calculations are performed in your browser. No data is sent anywhere.

Can I convert between any units?

You can convert between all supported units in each category. Some conversions (like temperature) use special formulas.

Why Use Our Unit Converter?

✓

No Registration Needed: Start converting units instantly without signing up.

✓

Fast & Accurate: Get instant, reliable results for all your conversion needs.

✓

Mobile Friendly: Works perfectly on all devices, anywhere, anytime.

✓

No Ads, No Watermarks: Clean, professional results every time.

✓

Privacy Guaranteed: Your data stays on your device. No tracking, no sharing.

✓

Educational Resource: Perfect for students, teachers, and professionals.

Pro Tips for Unit Conversion

💡 Double-Check Results

Always verify conversions for critical applications like science, engineering, or finance.

💡 Use Standard Units

Prefer SI units (meter, kilogram, second) for universal understanding and accuracy.

💡 Learn Conversion Factors

Understanding multipliers helps with quick mental conversions and checks.

💡 Temperature Caution

Temperature conversions use formulas, not multipliers. Double-check for accuracy.

Ready to Convert Units?

Join thousands of users who trust our free unit converter for their studies, work, and daily life. Start converting units instantly!