Free, fast and private unit converters, switch between units and currencies right in your browser. No sign-up.
ToolBrainy's converters turn one unit into another instantly and accurately. Convert temperature between Celsius, Fahrenheit and Kelvin, length across metric and imperial units, weight between kilograms, pounds and ounces, speed, live world currencies, time across global time zones, area between square metres and acres, and digital storage between bytes and petabytes. Type a value and the result updates as you go.
Whether you are cooking, travelling, studying, or shopping internationally, every converter is free, works on any device, and runs privately in your browser with no sign-up.