Length, weight, temperature, area & more
Convert any unit instantly across length, weight, temperature, area, volume, speed, digital data and pressure. Just type your value and see all conversions update in real time — no submit button, no page reload. Works on any device, free and no sign-up required.
Convert between meters, feet, inches, kilometers, miles, yards, centimeters and millimeters. Common conversions: 1 mile = 1.609 km · 1 foot = 30.48 cm · 1 inch = 2.54 cm · 5 feet 10 inches = 177.8 cm.
Convert between kilograms, pounds, ounces, grams, stones and metric tons. Common conversions: 1 kg = 2.205 lbs · 1 stone = 6.35 kg · 1 oz = 28.35 g · 100 lbs = 45.36 kg.
Convert between Celsius, Fahrenheit and Kelvin. Common references: 0°C = 32°F (freezing) · 100°C = 212°F (boiling) · 37°C = 98.6°F (body temperature) · 20°C = 68°F (room temperature).
Area — square meters, square feet, acres, hectares. Volume — liters, gallons, fluid ounces, milliliters, cubic meters. Speed — km/h, mph, m/s, knots. Data — bytes, KB, MB, GB, TB, PB. Pressure — Pascal, bar, PSI, atmospheres.