Conversores de unidades de medida
Conversores para todo tipo de unidade. Passe de centímetros para polegadas, de quilos para stones e libras, de litros para galões, de Celsius para Fahrenheit ou de megabytes para gigabytes, e mude números entre binário, decimal, hexadecimal e outras bases.
Cada conversor mostra a fórmula, uma tabela de referência e exemplos resolvidos, para que você possa conferir o resultado além de obtê-lo.
Length Ver todos
Centimetres to Inches ConverterConvert centimetres to inches (cm to in) with the formula and a quick table.Inches to Centimetres ConverterConvert inches to centimetres (in to cm) with the formula and a quick table.Millimetres to Inches ConverterConvert millimetres to inches (mm to in) with the formula and a quick table.Inches to Millimetres ConverterConvert inches to millimetres (in to mm) with the formula and a quick table.Metres to Feet ConverterConvert metres to feet (m to ft) with the formula and a quick table.Feet to Metres ConverterConvert feet to metres (ft to m) with the formula and a quick table.Kilometres to Miles ConverterConvert kilometres to miles (km to mi) with the formula and a quick table.Miles to Kilometres ConverterConvert miles to kilometres (mi to km) with the formula and a quick table.Metres to Yards ConverterConvert metres to yards (m to yd) with the formula and a quick table.Yards to Metres ConverterConvert yards to metres (yd to m) with the formula and a quick table.Centimetres to Feet ConverterConvert centimetres to feet (cm to ft) with the formula and a quick table.Feet to Centimetres ConverterConvert feet to centimetres (ft to cm) with the formula and a quick table.Inches to Feet ConverterConvert inches to feet (in to ft) with the formula and a quick table.Feet to Inches ConverterConvert feet to inches (ft to in) with the formula and a quick table.Feet and Inches to Centimetres ConverterConvert feet and inches to centimetres (ft in to cm) with the formula and a quick table.Centimetres to Feet and Inches ConverterConvert centimetres to feet and inches (cm to ft in) with the formula and a quick table.Feet and Inches to Metres ConverterConvert feet and inches to metres (ft in to m) with the formula and a quick table.Metres to Feet and Inches ConverterConvert metres to feet and inches (m to ft in) with the formula and a quick table.Nautical Miles to Kilometres ConverterConvert nautical miles to kilometres (nmi to km) with the formula and a quick table.Kilometres to Nautical Miles ConverterConvert kilometres to nautical miles (km to nmi) with the formula and a quick table.
Weight and mass Ver todos
Kilograms to Pounds ConverterConvert kilograms to pounds (kg to lb) with the formula and a quick table.Pounds to Kilograms ConverterConvert pounds to kilograms (lb to kg) with the formula and a quick table.Grams to Ounces ConverterConvert grams to ounces (g to oz) with the formula and a quick table.Ounces to Grams ConverterConvert ounces to grams (oz to g) with the formula and a quick table.Kilograms to Stones ConverterConvert kilograms to stones (kg to st) with the formula and a quick table.Stones to Kilograms ConverterConvert stones to kilograms (st to kg) with the formula and a quick table.Stones to Pounds ConverterConvert stones to pounds (st to lb) with the formula and a quick table.Pounds to Stones ConverterConvert pounds to stones (lb to st) with the formula and a quick table.Stones and Pounds to Kilograms ConverterConvert stones and pounds to kilograms (st lb to kg) with the formula and a quick table.Kilograms to Stones and Pounds ConverterConvert kilograms to stones and pounds (kg to st lb) with the formula and a quick table.Ounces to Pounds ConverterConvert ounces to pounds (oz to lb) with the formula and a quick table.Pounds to Ounces ConverterConvert pounds to ounces (lb to oz) with the formula and a quick table.
Volume Ver todos
Litres to UK Gallons ConverterConvert litres to UK gallons (L to UK gal) with the formula and a quick table.UK Gallons to Litres ConverterConvert UK gallons to litres (UK gal to L) with the formula and a quick table.Litres to US Gallons ConverterConvert litres to US gallons (L to US gal) with the formula and a quick table.US Gallons to Litres ConverterConvert US gallons to litres (US gal to L) with the formula and a quick table.Millilitres to UK Fluid Ounces ConverterConvert millilitres to UK fluid ounces (ml to UK fl oz) with the formula and a quick table.UK Fluid Ounces to Millilitres ConverterConvert UK fluid ounces to millilitres (UK fl oz to ml) with the formula and a quick table.Millilitres to US Fluid Ounces ConverterConvert millilitres to US fluid ounces (ml to US fl oz) with the formula and a quick table.US Fluid Ounces to Millilitres ConverterConvert US fluid ounces to millilitres (US fl oz to ml) with the formula and a quick table.Litres to UK Pints ConverterConvert litres to UK pints (L to UK pt) with the formula and a quick table.UK Pints to Litres ConverterConvert UK pints to litres (UK pt to L) with the formula and a quick table.UK Gallons to US Gallons ConverterConvert UK gallons to US gallons (UK gal to US gal) with the formula and a quick table.US Gallons to UK Gallons ConverterConvert US gallons to UK gallons (US gal to UK gal) with the formula and a quick table.Cubic Metres to Litres ConverterConvert cubic metres to litres (m³ to L) with the formula and a quick table.Litres to Cubic Metres ConverterConvert litres to cubic metres (L to m³) with the formula and a quick table.
Area Ver todos
Square Metres to Square Feet ConverterConvert square metres to square feet (m² to ft²) with the formula and a quick table.Square Feet to Square Metres ConverterConvert square feet to square metres (ft² to m²) with the formula and a quick table.Hectares to Acres ConverterConvert hectares to acres (ha to ac) with the formula and a quick table.Acres to Hectares ConverterConvert acres to hectares (ac to ha) with the formula and a quick table.Acres to Square Feet ConverterConvert acres to square feet (ac to ft²) with the formula and a quick table.Square Feet to Acres ConverterConvert square feet to acres (ft² to ac) with the formula and a quick table.Square Kilometres to Square Miles ConverterConvert square kilometres to square miles (km² to mi²) with the formula and a quick table.Square Miles to Square Kilometres ConverterConvert square miles to square kilometres (mi² to km²) with the formula and a quick table.
Temperature Ver todos
Degrees Celsius to Degrees FahrenheitConvert degrees Celsius to degrees Fahrenheit (°C to °F) with the formula and a quick table.Degrees Fahrenheit to Degrees CelsiusConvert degrees Fahrenheit to degrees Celsius (°F to °C) with the formula and a quick table.Degrees Celsius to Kelvins ConverterConvert degrees Celsius to kelvins (°C to K) with the formula and a quick table.Kelvins to Degrees Celsius ConverterConvert kelvins to degrees Celsius (K to °C) with the formula and a quick table.Degrees Fahrenheit to Kelvins ConverterConvert degrees Fahrenheit to kelvins (°F to K) with the formula and a quick table.Kelvins to Degrees Fahrenheit ConverterConvert kelvins to degrees Fahrenheit (K to °F) with the formula and a quick table.
Speed Ver todos
Miles per Hour to Kilometres per HourConvert miles per hour to kilometres per hour (mph to km/h) with the formula and a quick table.Kilometres per Hour to Miles per HourConvert kilometres per hour to miles per hour (km/h to mph) with the formula and a quick table.Knots to Miles per Hour ConverterConvert knots to miles per hour (kn to mph) with the formula and a quick table.Miles per Hour to Knots ConverterConvert miles per hour to knots (mph to kn) with the formula and a quick table.Metres per Second to Kilometres per HourConvert metres per second to kilometres per hour (m/s to km/h) with the formula and a quick table.Kilometres per Hour to Metres per SecondConvert kilometres per hour to metres per second (km/h to m/s) with the formula and a quick table.Speed ConverterConvert mph, km/h, metres per second, knots and Mach, with a handy speed table.
Pressure Ver todos
Bar to Pounds per Square Inch ConverterConvert bar to pounds per square inch (bar to psi) with the formula and a quick table.Pounds per Square Inch to Bar ConverterConvert pounds per square inch to bar (psi to bar) with the formula and a quick table.Kilopascals to Pounds per Square InchConvert kilopascals to pounds per square inch (kPa to psi) with the formula and a quick table.Pounds per Square Inch to KilopascalsConvert pounds per square inch to kilopascals (psi to kPa) with the formula and a quick table.Millimetres of Mercury to KilopascalsConvert millimetres of mercury to kilopascals (mmHg to kPa) with the formula and a quick table.Kilopascals to Millimetres of MercuryConvert kilopascals to millimetres of mercury (kPa to mmHg) with the formula and a quick table.Inches of Mercury to Hectopascals ConverterConvert inches of mercury to hectopascals (inHg to hPa) with the formula and a quick table.Hectopascals to Inches of Mercury ConverterConvert hectopascals to inches of mercury (hPa to inHg) with the formula and a quick table.Pressure ConverterConvert pascals, bar, psi, atmospheres, mmHg and inHg in one go.
Energy and power Ver todos
Kilojoules to Kilocalories ConverterConvert kilojoules to kilocalories (kJ to kcal) with the formula and a quick table.Kilocalories to Kilojoules ConverterConvert kilocalories to kilojoules (kcal to kJ) with the formula and a quick table.Kilowatt Hours to British Thermal UnitsConvert kilowatt hours to British thermal units (kWh to BTU) with the formula and a quick table.British Thermal Units to Kilowatt HoursConvert British thermal units to kilowatt hours (BTU to kWh) with the formula and a quick table.Kilowatt Hours to Therms ConverterConvert kilowatt hours to therms (kWh to thm) with the formula and a quick table.Therms to Kilowatt Hours ConverterConvert therms to kilowatt hours (thm to kWh) with the formula and a quick table.Kilowatts to Horsepower ConverterConvert kilowatts to horsepower (kW to hp) with the formula and a quick table.Horsepower to Kilowatts ConverterConvert horsepower to kilowatts (hp to kW) with the formula and a quick table.
Data and storage Ver todos
Megabytes to Gigabytes ConverterConvert megabytes to gigabytes (MB to GB) with the formula and a quick table.Gigabytes to Megabytes ConverterConvert gigabytes to megabytes (GB to MB) with the formula and a quick table.Gigabytes to Terabytes ConverterConvert gigabytes to terabytes (GB to TB) with the formula and a quick table.Terabytes to Gigabytes ConverterConvert terabytes to gigabytes (TB to GB) with the formula and a quick table.Gigabytes to Gibibytes ConverterConvert gigabytes to gibibytes (GB to GiB) with the formula and a quick table.Gibibytes to Gigabytes ConverterConvert gibibytes to gigabytes (GiB to GB) with the formula and a quick table.Megabits per Second to Megabytes per SecondConvert megabits per second to megabytes per second (Mbps to MB/s) with the formula and a quick table.Megabytes per Second to Megabits per SecondConvert megabytes per second to megabits per second (MB/s to Mbps) with the formula and a quick table.
Angle Ver todos
Fuel economy
Cooking Ver todos
US Cups to Millilitres ConverterConvert US cups to millilitres (cup to ml) with the formula and a quick table.Millilitres to US Cups ConverterConvert millilitres to US cups (ml to cup) with the formula and a quick table.Tablespoons to Millilitres ConverterConvert tablespoons to millilitres (tbsp to ml) with the formula and a quick table.Millilitres to Tablespoons ConverterConvert millilitres to tablespoons (ml to tbsp) with the formula and a quick table.Teaspoons to Millilitres ConverterConvert teaspoons to millilitres (tsp to ml) with the formula and a quick table.Millilitres to Teaspoons ConverterConvert millilitres to teaspoons (ml to tsp) with the formula and a quick table.Cooking Measurement ConverterConvert cups, spoons and millilitres, and common ingredients between cups and grams.Oven Temperature ConverterConvert oven temperatures between Celsius, Fahrenheit and gas mark, with a fan oven setting.
Number systems Ver todos
Binary to Decimal ConverterConvert binary numbers to decimal, with the working shown step by step.Decimal to Binary ConverterConvert decimal numbers to binary, with the working shown step by step.Hexadecimal to Decimal ConverterConvert hexadecimal numbers to decimal, with the working shown step by step.Decimal to Hexadecimal ConverterConvert decimal numbers to hexadecimal, with the working shown step by step.Binary to Hexadecimal ConverterConvert binary numbers to hexadecimal, with the working shown step by step.Hexadecimal to Binary ConverterConvert hexadecimal numbers to binary, with the working shown step by step.Octal to Decimal ConverterConvert octal numbers to decimal, with the working shown step by step.Decimal to Octal ConverterConvert decimal numbers to octal, with the working shown step by step.Decimal to Ternary ConverterConvert decimal numbers to ternary, with the working shown step by step.Ternary to Decimal ConverterConvert ternary numbers to decimal, with the working shown step by step.Binary to Octal ConverterConvert binary numbers to octal, with the working shown step by step.Octal to Binary ConverterConvert octal numbers to binary, with the working shown step by step.Roman Numeral ConverterConvert numbers from 1 to 3999 into Roman numerals, and Roman numerals back into numbers.Number Base ConverterConvert whole numbers between binary, octal, decimal, hexadecimal and any base from 2 to 36.
Clothing and shoe sizes
Other units Ver todos
Unit ConverterConvert length, mass, volume, speed, data size and temperature.Newton Metres to Pound-feet ConverterConvert newton metres to pound-feet (N·m to lb·ft) with the formula and a quick table.Pound-feet to Newton Metres ConverterConvert pound-feet to newton metres (lb·ft to N·m) with the formula and a quick table.
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Guias para ler primeiro
Metric vs imperial: which units the UK still uses
A plain guide to where the UK still uses miles, pints, stones and inches, where it uses metric, and the exact conversions to move between the two.
Speed, distance and time: formulas and worked examples
Use the speed distance time triangle to find any of the three, convert mph, km/h and m/s, work out average speed correctly, and plan journeys and runs.
Hex, binary and decimal: how number bases work
How binary, octal, decimal and hexadecimal work, how to convert between them by hand with worked examples, and where each base shows up in real life.