Convert between metric and imperial units in one click: length, weight, temperature, volume, area, speed and digital storage. Each converter shows the formula and a ready-made conversion table.
🔁 Free Unit Converters
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Length Converter Convert any length or distance between metric and imperial units. Weight Converter Convert weight and mass between metric and imperial units. Temperature Converter Convert temperatures between Celsius, Fahrenheit and Kelvin. Volume Converter Convert liquid volumes for cooking, fuel, drinks and science. Area Converter Convert floor, land and surface areas between units. Speed Converter Convert speeds for driving, running, sailing and physics. Data Storage Converter Convert file and storage sizes in decimal and binary units. Time Converter Convert durations between seconds, minutes, hours, days and years. Pressure Converter Convert tire, weather and engineering pressures. Energy Converter Convert food energy, heat and electricity units. KG to LBS Convert kilograms to pounds, with a chart for body weight. LBS to KG Convert pounds to kilograms using the exact legal definition. CM to Inches Convert centimeters to inches, and to feet and inches. Inches to CM Convert inches to centimeters with the exact 2.54 factor. Feet to Meters Convert feet to meters for buildings, rooms and heights. Meters to Feet Convert meters to feet, and to feet and inches. KM to Miles Convert kilometers to miles for running, driving and travel. Miles to KM Convert miles to kilometers with the exact 1.609344 factor. Celsius to Fahrenheit Convert °C to °F for weather, ovens and fevers. Fahrenheit to Celsius Convert °F to °C for recipes, weather and thermometers. ML to OZ Convert milliliters to US fluid ounces for drinks and recipes. OZ to ML Convert US fluid ounces to milliliters precisely. Liters to Gallons Convert liters to US gallons for fuel, water and tanks. Gallons to Liters Convert US gallons to liters using the exact definition. Grams to Ounces Convert grams to ounces for recipes, postage and food labels. Ounces to Grams Convert ounces to grams for baking and portion sizes. MM to Inches Convert millimeters to inches for tools, parts and rainfall. Feet to CM Convert feet, or feet and inches, to centimeters. KMH to MPH Convert kilometers per hour to miles per hour. MPH to KMH Convert miles per hour to kilometers per hour. Sq Ft to Sq M Convert floor areas from square feet to square meters. Acres to Hectares Convert land areas from acres to hectares. MB to GB Convert megabytes to gigabytes in decimal and binary units. KB to MB Convert kilobytes to megabytes for file and upload limits. Stone to KG Convert body weight in stone to kilograms. KG to Stone Convert kilograms to stone for UK body weight.