Welcome to ExactUnits — Your Ultimate Online Unit Converter

Whether you're a student working on science homework, a professional in engineering, construction, finance, or data science, or just someone who needs quick and accurate conversions for everyday life, our tool is designed for you.

With ExactUnits, you can instantly convert between a wide variety of measurement units across all major categories: Length, Weight (Mass), Temperature, Volume, Area, Time, Currency, and Time Zones.

Popular Conversions

  • Length: cm to inches, meters to feet, kilometers to miles
  • Weight: kg to lbs, grams to ounces, tons to kilograms
  • Temperature: Celsius to Fahrenheit, Kelvin to Celsius
  • Volume: liters to gallons, ml to cups, cubic meters to cubic feet
  • Area: square meters to square feet, hectares to acres
  • Time: seconds to minutes, hours to days, weeks to months
  • Currency: USD to EUR, GBP to USD, JPY to INR
  • Time Zones: EST to PST, UTC to IST, CET to GMT

We support both metric and imperial systems, including US customary units and scientific units, so you can switch between millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles with ease. Our weight converter handles grams, kilograms, pounds, ounces, stones, and even atomic mass units.

For currency, you can convert real-time exchange rates between 30+ global currencies, including the US Dollar (USD), Euro (EUR), British Pound (GBP), Japanese Yen (JPY), Indian Rupee (INR), Canadian Dollar (CAD), and many more.

Our timezone converter lets you check the current time and convert it between cities and regions around the world — perfect for scheduling meetings, travel planning, or working across time zones.

Why Use ExactUnits?

  • Clean, fast, and ad-free experience
  • Mobile-friendly design — works great on phones, tablets, and desktops
  • No downloads or login required
  • Built for speed, accuracy, and simplicity
  • Trusted by students, teachers, engineers, developers, and professionals worldwide

Whether you're converting cm to inch, gallons to liters, kg to lb, usd to eur, or EST to UTC, ExactUnits delivers fast, accurate results every time.

Bookmark ExactUnits.com — your go-to converter for any unit, anytime, anywhere.