The Free Unit Converter

Convert length, weight, temperature, area, volume, and speed instantly — accurate, fast, and completely free.

Enter a value to convert.

Popular Conversions

Quick references people look up every day.

Length

1 mile = 1.609 kilometers · 1 foot = 0.3048 meters

Weight

1 pound = 0.4536 kilograms · 1 ounce = 28.35 grams

Temperature

0 °C = 32 °F · 100 °C = 212 °F

Area

1 acre = 4046.86 m² · 1 hectare = 10,000 m²

Volume

1 gallon (US) = 3.785 liters · 1 cup = 236.6 ml

Speed

1 mph = 1.609 km/h · 1 knot = 1.852 km/h

Why Use Trocador

A simple tool that just works.

⚡ Instant

Results update as you type — no button clicking, no waiting.

🎯 Accurate

Conversions use precise, standard factors for reliable results.

🆓 Free

No sign-up, no fees, no limits. Convert as much as you like.

📱 Responsive

Works smoothly on desktop, tablet, and mobile.