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Unit Converter

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Unit Converter

Convert between different units of length, weight, temperature, volume, area, and speed. Fast, accurate, and 100% private.

100% Private Instant Results Swap Feature Unlimited & Free

Unit Converter

Conversion Type

From

1 Select units to convert

No data stored. All conversions run locally in your browser — 100% private.

How to Use

Select Type

Choose conversion category (length, weight, etc.)

Enter Value

Type the number you want to convert

Choose Units

Select source and target units

Get Result

See converted value instantly

Features

Instant Results

Real-time conversion as you type

100% Private

All processing in your browser

Swap Feature

One-click unit swapping

6 Categories

Length, Weight, Temp, Volume, Area, Speed

Unlimited Use

No limits, no registration

Popular Conversions

1 m = 3.28 ft

Length

1 kg = 2.20 lb

Weight

0°C = 32°F

Temperature

1 L = 0.26 gal

Volume

1 acre = 4046 m²

Area

100 km/h = 62 mph

Speed

Why Use Our Unit Converter?

Instant Results

Get conversions in real-time as you type

100% Private

All calculations happen locally

6 Categories

Length, Weight, Temp, Volume, Area, Speed

Any Device

Works perfectly on mobile, tablet and desktop

Frequently Asked Questions

What units can I convert?

Our converter supports length, weight, temperature, volume, area, and speed units. We're constantly adding more!

How accurate are conversions?

All conversions use standard conversion factors and are accurate to 10 decimal places. Temperature conversions follow exact formulas.

What's the difference between metric and imperial?

Metric system uses meters, grams, liters (base-10). Imperial system uses feet, pounds, gallons. Our converter handles both seamlessly.

How do I convert temperature?

Select "Temperature" as conversion type, then choose Celsius, Fahrenheit, or Kelvin. Enter value and get instant conversion.

Is my data private?

Yes! All conversions happen in your browser. We never store or transmit any information.

Can I convert negative values?

Yes, you can convert negative values. They work especially well for temperature conversions (like -40°C = -40°F).

What is the swap button for?

The swap button (↔️) quickly exchanges your "From" and "To" units, making reverse conversions instant.

Is this tool free?

Yes, completely free with unlimited conversions. No registration or login required.

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