Unit Converter
Convert between all units of length, weight, temperature, volume, area, speed & digital storage. See all conversions at once, filter by unit name.
Free Unit Converter — Length, Weight, Temperature & More
Convert any measurement between metric and imperial units instantly. Toolify's Unit Converter covers 7 categories — length, weight/mass, temperature, volume, area, speed, and digital storage — and shows all equivalent values simultaneously so you don't have to convert one at a time.
Whether you're converting km to miles for a road trip, kg to lbs for a recipe, or Celsius to Fahrenheit for the weather, the result appears immediately with high precision.
Frequently Asked Questions
What unit categories does the converter support?
The converter supports length (meters, feet, inches, miles, km), weight (kg, lbs, grams, ounces), temperature (Celsius, Fahrenheit, Kelvin), volume (liters, gallons, ml, fl oz), speed (mph, km/h, m/s), and area (m², ft², acres, hectares).
How do I convert Celsius to Fahrenheit?
Select the Temperature category, enter your Celsius value, and instantly see the Fahrenheit equivalent. The formula is °F = (°C × 9/5) + 32.
Can I convert km to miles?
Yes. Select Length, enter the distance in kilometers, and the tool shows the equivalent in miles (1 km = 0.621371 miles).
Does the tool support cooking measurements?
Yes. The volume category includes cups, tablespoons, teaspoons, and fluid ounces alongside metric volume units — great for recipe conversions.
Is this accurate for scientific use?
The converter uses precise conversion factors and is accurate for everyday and most scientific purposes.