Instant, Accurate Unit Converter

Convert meters, kilometers, miles, feet, inches, yards, nautical miles, and more with exact precision.

Key units: Meter (m), Kilometer (km), Centimeter (cm), Millimeter (mm), Micrometer (µm), Nanometer (nm)

Convert kilograms, pounds, ounces, grams, stone, metric tons, carats, and more with scientific precision.

Key units: Kilogram (kg), Gram (g), Milligram (mg), Microgram (µg), Metric Ton (t), Pound (lb)

Convert between Celsius (°C), Fahrenheit (°F), Kelvin (K), and Rankine (°R) using exact thermodynamic formulas.

Key units: Celsius (°C), Fahrenheit (°F), Kelvin (K), Rankine (°R)

Convert square feet, square meters, acres, hectares, square miles, and square kilometers.

Key units: Square Meter (m²), Square Kilometer (km²), Square Centimeter (cm²), Square Millimeter (mm²), Square Mile (mi²), Square Yard (yd²)

Convert liters, milliliters, US gallons, Imperial gallons, fluid ounces, cups, tablespoons, teaspoons, cubic feet, cubic yards, and cubic meters.

Key units: Liter (L), Milliliter (mL), Centiliter (cL), Deciliter (dL), Cubic Meter (m³), Cubic Centimeter (cm³)

Convert miles per hour (mph), kilometers per hour (km/h), meters per second (m/s), knots, and Mach.

Key units: Meter per Second (m/s), Kilometer per Hour (km/h), Mile per Hour (mph), Knot (kn), Foot per Second (ft/s), Mach (Standard Sea Level) (Ma)

Convert seconds, minutes, hours, days, weeks, months, years, decades, and centuries.

Key units: Second (s), Millisecond (ms), Microsecond (µs), Nanosecond (ns), Minute (min), Hour (h)

Convert bits, bytes, kilobytes, megabytes, gigabytes, terabytes, petabytes, and binary mebibytes/gibibytes.

Key units: Bit (b), Nibble (nibble), Byte (B), Kilobyte (Decimal) (KB), Kibibyte (Binary) (KiB), Megabyte (Decimal) (MB)

Convert Mbps, Gbps, Kbps, MB/s, and KB/s for network bandwidth and download calculations.

Key units: Bit per Second (bps), Kilobit per Second (Kbps), Megabit per Second (Mbps), Gigabit per Second (Gbps), Terabit per Second (Tbps), Byte per Second (B/s)

Convert PSI, bar, pascals (Pa), kilopascals (kPa), standard atmospheres (atm), and torr / mmHg.

Key units: Pascal (Pa), Kilopascal (kPa), Megapascal (MPa), Bar (bar), Millibar (mbar), Pound per Square Inch (psi)

Convert joules, kilojoules, calories, food kilocalories, kilowatt-hours (kWh), and British thermal units (BTU).

Key units: Joule (J), Kilojoule (kJ), Calorie (Gram/Small) (cal), Kilocalorie (Food Calorie) (kcal), Watt-hour (Wh), Kilowatt-hour (kWh)

Convert watts, kilowatts, megawatts, mechanical horsepower (hp), and metric horsepower (PS).

Key units: Watt (W), Milliwatt (mW), Kilowatt (kW), Megawatt (MW), Horsepower (Mechanical/US) (hp), Metric Horsepower (PS) (PS)

Convert degrees, radians, gradians, arcminutes, arcseconds, and full revolutions.

Key units: Degree (°), Radian (rad), Gradian (grad), Arcminute (arcmin), Arcsecond (arcsec), Revolution (Turn) (rev)

Convert US miles per gallon (MPG), UK Imperial MPG, liters per 100km (L/100km), and km/L.

Key units: Liters per 100 km (L/100km), Miles per Gallon (US) (mpg (US)), Miles per Gallon (UK) (mpg (UK)), Kilometers per Liter (km/L), Miles per Kilowatt-hour (mi/kWh), Kilowatt-hours per 100 km (kWh/100km)

Convert cups, tablespoons, teaspoons, fluid ounces, milliliters, pinches, dashes, and sticks of butter.

Key units: Milliliter (mL), US Cup (cup), Metric Cup (cup (metric)), US Tablespoon (tbsp), Metric Tablespoon (tbsp (metric)), US Teaspoon (tsp)

Convert hertz (Hz), kilohertz (kHz), megahertz (MHz), gigahertz (GHz), RPM, radians per second, and degrees per second with exact precision.

Key units: Hertz (Hz), Kilohertz (kHz), Megahertz (MHz), Gigahertz (GHz), Terahertz (THz), Revolutions per Minute (RPM)

Convert newton-meters (N·m), foot-pounds (lb-ft), inch-pounds (lb-in), kilogram-force meters (kgf·m), and ounce-inches with exact NIST standards.

Key units: Newton-meter (N·m), Pound-foot (lb-ft), Pound-inch (lb-in), Kilogram-force Meter (kgf·m), Kilonewton-meter (kN·m), Ounce-force Inch (oz-in)

Convert newtons (N), kilonewtons (kN), pounds-force (lbf), kilograms-force (kgf), dynes, and kips with exact NIST physical constants.

Key units: Newton (N), Kilonewton (kN), Meganewton (MN), Pound-force (lbf), Kilogram-force (kgf), Dyne (dyn)

Convert cubic feet per minute (CFM), liters per second (L/s), liters per minute (L/min), cubic meters per hour (m³/h), and gallons per minute (GPM) with precision.

Key units: Cubic Feet per Minute (CFM), Liter per Second (L/s), Liter per Minute (L/min), Cubic Meter per Hour (m³/h), Cubic Meter per Second (m³/s), US Gallon per Minute (GPM)

Convert pixels (px), points (pt), rems, ems, picas, CSS inches, and millimeters based on standard W3C 96 DPI digital baseline specifications.

Key units: Pixel (px), Point (pt), Rem (rem), Em (em), Pica (pc), CSS Inch (in (CSS))

Convert amperes (A), milliamperes (mA), microamperes (µA), kiloamperes (kA), ampere-hours (Ah), and milliampere-hours (mAh) with precision.

Key units: Ampere (A), Milliampere (mA), Microampere (µA), Kiloampere (kA), Ampere-hour (Ah), Milliampere-hour (mAh)

Convert lux (lx), foot-candles (fc), phots (ph), and kilolux (klx) with standard photometric SI constants.

Key units: Lux (lx), Foot-candle (fc), Phot (ph), Nox (nox), Kilolux (klx)