PracticalUnits – Simple, Fast Unit Conversions
Accurate everyday measurement conversions made simple.
A unit converter is a tool that translates a measurement from one unit to another. People use unit converters daily — when cooking with international recipes, checking weather in a different country, comparing product weights while shopping, or calculating distances for travel.
Choose a category below to convert between units of length, weight, temperature, and speed. All conversions are instant, accurate, and completely free.
Length Converters
Meters, feet, inches, kilometers, miles and more
Length conversions are essential for construction, travel, and everyday tasks. Whether you need to convert meters to feet for a home project, centimeters to inches for clothing sizes, or kilometers to miles for a road trip, our calculator gives you accurate results instantly.
Weight Converters
Kilograms, pounds, grams, ounces
Weight conversions come up in cooking, fitness, shipping, and science. Quickly convert kg to lb for gym tracking, grams to ounces for recipes, or pounds to kilograms when comparing product weights across countries.
Temperature Converters
Celsius, Fahrenheit, Kelvin
Temperature conversion is needed when reading weather forecasts, cooking, or working in science. Convert Celsius to Fahrenheit to understand US weather reports, or switch between Kelvin and Celsius for chemistry and physics calculations.
Speed Converters
km/h, mph, m/s, knots
Speed conversions are useful for driving abroad, aviation, and physics. Convert mph to km/h when traveling between countries with different speed limits, or use meters per second and knots for scientific and nautical applications.