How accurate are the unit conversions?

Our unit conversions use precise mathematical formulas and are accurate to multiple decimal places. All calculations are performed using standard conversion factors recognized internationally.

Do I need to register to use the unit converter?

No registration required. The unit converter is completely free to use without creating an account or providing personal information.

What types of units can I convert?

You can convert length, weight, volume, temperature, area, speed, time, and currency units. Examples include feet to meters, pounds to kilograms, Celsius to Fahrenheit, and much more.

Does the converter work on mobile devices?

Yes, our unit converter is fully responsive and works perfectly on all devices including smartphones, tablets, and desktop computers.

Free Online Unit Converter - Convert Units Instantly

Convert between 100+ units of measurement instantly. Fast, accurate unit converter for length (ft to m, in to cm), weight (lbs to kg), volume (gal to L), temperature (°F to °C), area, speed, time, and currency. Mobile-friendly conversion calculator - no registration required.

Length Converter - Convert Feet to Meters, Inches to CM Online

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Weight Converter - Convert Pounds to Kilograms, Ounces to Grams

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Volume Converter - Convert Gallons to Liters, Cups to ML

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Temperature Converter - Convert Celsius to Fahrenheit, Kelvin

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Area Converter - Convert Square Feet to Square Meters, Acres

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Speed Converter - Convert MPH to KMH, Meters per Second

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Time Converter - Convert Hours to Minutes, Days to Weeks

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Currency Converter - Convert USD to EUR, GBP, JPY Exchange Rates

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Note: Exchange rates are approximate and for demonstration only. Use official sources for actual transactions.

About Unit Conversion

🚀 Fast & Accurate

Instant conversions as you type with precise calculations and proper rounding.

📱 Mobile Friendly

Works perfectly on all devices - desktop, tablet, and mobile phones.

🔒 Privacy First

All conversions happen in your browser. No data sent to servers.

🆓 Completely Free

No registration required, no limits. Use as much as you need.

Popular Conversions

Length Conversions

Feet to Meters
Inches to Centimeters
Miles to Kilometers

Weight Conversions

Pounds to Kilograms
Ounces to Grams
Stones to Pounds

Volume Conversions

Gallons to Liters
Cups to Milliliters
Pints to Quarts

Temperature Conversions

Celsius to Fahrenheit
Fahrenheit to Kelvin
Kelvin to Celsius

Area Conversions

Square Meters to Square Feet
Acres to Hectares
Square Feet to Square Meters

Speed Conversions

MPH to km/h
Knots to MPH
m/s to MPH

Time Conversions

Hours to Minutes
Days to Hours
Weeks to Days

How to Use the Unit Converter

1. Select Conversion Type

Choose from length, weight, volume, temperature, area, speed, time, or currency conversion tabs.

2. Enter Value

Type the number you want to convert in the "From" input field.

3. Select Units

Choose the source unit and target unit from the dropdown menus.

4. View Results

The converted value appears instantly with the conversion formula displayed below.

Most Common Unit Conversions

Length Conversions

1 meter = 3.28084 feet
1 inch = 2.54 centimeters
1 mile = 1.60934 kilometers
1 yard = 0.9144 meters

Weight Conversions

1 kilogram = 2.20462 pounds
1 ounce = 28.3495 grams
1 stone = 14 pounds
1 tonne = 1000 kilograms

Volume Conversions

1 liter = 0.264172 gallons (US)
1 gallon = 3.78541 liters
1 cup = 236.588 milliliters
1 quart = 0.946353 liters

Temperature Conversions

0°C = 32°F = 273.15K
100°C = 212°F = 373.15K
Formula C to F: (C × 9/5) + 32
Formula F to C: (F - 32) × 5/9