Convert between inches, feet, miles, kilometers and more with precision and ease.

Easily convert between mph, km/h, knots, Mach, and other speed units.

From teaspoons to gallons to liters—instantly switch between 25+ volume units.

Celsius, Fahrenheit, Kelvin and more—accurately convert any temperature scale.

Live conversion between 30+ global currencies, powered by ExchangeRate-API.