Unit Converters
Instant unit converters for length, weight, temperature, volume, speed, time, and data — all in your browser.
Length Converter
Convert m, ft, in, mi, km, yd, cm.
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Weight Converter
Convert kg, lb, oz, g, tons.
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Temperature Converter
Convert °C, °F, and K instantly.
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Area Converter
Convert m², ft², ac, ha, km².
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Volume Converter
Convert L, gal, mL, cup, pt, qt.
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Speed Converter
Convert km/h, mph, m/s, knots.
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Time Converter
Convert sec, min, hr, day, week, yr.
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Data Storage Converter
Convert B, KB, MB, GB, TB, KiB, MiB.
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Currency Converter
Live USD, EUR, GBP, JPY exchange rates.
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Popular conversions
Jump straight to the most-searched unit pairs.
Centimeters → Inches (cm to in)Inches → Centimeters (in to cm)Millimeters → Inches (mm to in)Inches → Millimeters (in to mm)Meters → Feet (m to ft)Feet → Meters (ft to m)Kilometers → Miles (km to mi)Miles → Kilometers (mi to km)Kilograms → Pounds (kg to lb)Pounds → Kilograms (lb to kg)Grams → Ounces (g to oz)Ounces → Grams (oz to g)Kilograms → Stone (kg to st)Stone → Kilograms (st to kg)Celsius → Fahrenheit (°C to °F)Fahrenheit → Celsius (°F to °C)Celsius → Kelvin (°C to K)Kelvin → Celsius (K to °C)Milliliters → US Fluid Ounces (mL to fl oz)US Fluid Ounces → Milliliters (fl oz to mL)Liters → US Gallons (L to gal)US Gallons → Liters (gal to L)US Cups → Milliliters (cup to mL)Milliliters → US Cups (mL to cup)Kilometers per Hour → Miles per Hour (km/h to mph)Miles per Hour → Kilometers per Hour (mph to km/h)Knots → Miles per Hour (kn to mph)Miles per Hour → Knots (mph to kn)Megabytes → Gigabytes (MB to GB)Gigabytes → Megabytes (GB to MB)Kilobytes → Megabytes (KB to MB)Gigabytes → Terabytes (GB to TB)Square Feet → Square Meters (sq ft to m²)Square Meters → Square Feet (m² to sq ft)Acres → Hectares (ac to ha)