# Convert Measurements > Free measurement unit converters and kitchen calculators ## Posts - [Metric or imperial? How the two systems fit together](https://blue-barracuda-580517.hostingersite.com/metric-or-imperial/): One system counts in tens, the other in twelves, sixteens and fourteens. Here is how they line up. - [Mbps or MB/s? Why your download looks slower than your plan](https://blue-barracuda-580517.hostingersite.com/mbps-vs-mbs/): One small letter is the difference between bits and bytes, and a factor of eight. - [Gas mark, fan or Fahrenheit: reading any oven temperature](https://blue-barracuda-580517.hostingersite.com/reading-oven-temperatures/): A British recipe says gas mark 4, an American one says 350 °F. They mean the same oven. - [How long does a frozen turkey take to thaw?](https://blue-barracuda-580517.hostingersite.com/thawing-a-turkey/): Longer than most people expect. The safe methods, the timings and the one thing never to do. - [Why a cup of flour isn’t a cup of sugar](https://blue-barracuda-580517.hostingersite.com/cup-of-flour/): Cups measure space, not weight. That small difference explains a lot of dense cakes. - [Celsius to Fahrenheit, the quick way](https://blue-barracuda-580517.hostingersite.com/celsius-to-fahrenheit/): The exact formula, a mental shortcut that gets you close, and the temperatures worth remembering. ## Pages - [Angle Converter](https://blue-barracuda-580517.hostingersite.com/angle-converter/): Degrees, radians, gradians, arcminutes, arcseconds, turns and mils for maths, maps, optics and navigation. - [Data Storage Converter](https://blue-barracuda-580517.hostingersite.com/data-storage-converter/): File and disk sizes in bits and bytes. Drive makers use decimal units (1 GB = 1000 MB); many computers show binary units (1 GiB = 1024 MiB). - [Illumination Converter](https://blue-barracuda-580517.hostingersite.com/illumination-converter/): Light falling on a surface: lux, foot-candles, phots and lumens per area. A bulb’s total lumens (luminous flux) is a different quantity. - [Kinematic Viscosity Converter](https://blue-barracuda-580517.hostingersite.com/kinematic-viscosity-converter/): Kinematic viscosity: stokes, centistokes, mm²/s and imperial units. Converting to centipoise also needs the fluid’s density. - [Dynamic Viscosity Converter](https://blue-barracuda-580517.hostingersite.com/viscosity-converter/): Dynamic (absolute) viscosity: pascal-seconds, poise, centipoise and imperial units. For stokes or cSt, use Kinematic Viscosity. - [Flow Rate Converter](https://blue-barracuda-580517.hostingersite.com/flow-converter/): Volumetric flow for pumps, pipes and HVAC: L/min, m³/h, gpm, cfm, barrels per day and more. - [Density Converter](https://blue-barracuda-580517.hostingersite.com/density-converter/): Mass per volume for liquids, solids and gases: kg/m³, g/cm³, lb/ft³, lb/gal and more. - [Speed Converter](https://blue-barracuda-580517.hostingersite.com/speed-converter/): Road, air, sea and science speeds: km/h, mph, knots, Mach and the speed of light. - [Time Converter](https://blue-barracuda-580517.hostingersite.com/time-converter/): From nanoseconds to millennia. Calendar units use a 365-day year, and a month is one-twelfth of a year. - [Home](https://blue-barracuda-580517.hostingersite.com/) - [Privacy Policy](https://blue-barracuda-580517.hostingersite.com/privacy-policy/): Our website address is: https://convertmeasurement.com. - [Cake Calculator](https://blue-barracuda-580517.hostingersite.com/cake-calculator/): Find out how many cakes to bake for your guests, based on the pan you have and how big you cut the slices. - [Torque Converter](https://blue-barracuda-580517.hostingersite.com/torque-converter/): Rotational force: newton meters, pound-feet, kilogram-force meters and more. - [Acceleration Converter](https://blue-barracuda-580517.hostingersite.com/acceleration-converter/): Linear acceleration in SI and imperial units, plus g-force and car-style km/h per second. - [Angular Velocity Converter](https://blue-barracuda-580517.hostingersite.com/angular-velocity-converter/): Rotational speed: RPM, radians per second, degrees per second and revolutions per second. - [Temperature Converter](https://blue-barracuda-580517.hostingersite.com/temperature-converter/): Celsius, Fahrenheit, Kelvin, Rankine and Réaumur, converted with exact formulas. - [Area Converter](https://blue-barracuda-580517.hostingersite.com/area-converter/): Metric and imperial areas, from square millimeters to square miles, plus hectares and acres. - [Length Converter](https://blue-barracuda-580517.hostingersite.com/length-converter/): Metric, imperial and astronomical lengths, from nanometers to light years. - [Volume Converter](https://blue-barracuda-580517.hostingersite.com/volume-converter/): Metric, US customary and imperial volumes, from teaspoons and milliliters to cubic miles. - [Weight Converter](https://blue-barracuda-580517.hostingersite.com/weight-converter/): Metric, imperial and troy units of mass, from micrograms to tonnes. - [Journal](https://blue-barracuda-580517.hostingersite.com/journal/): Short, practical guides to the units you meet every day: in the kitchen, on the road and on your screen. - [Thermal Conductivity Converter](https://blue-barracuda-580517.hostingersite.com/thermal-conductivity-converter/): How well a material conducts heat: W/(m·K), BTU/(h·ft·°F), BTU·in/(h·ft²·°F) and calorie units (International Table BTU and calorie). - [Permeability Converter](https://blue-barracuda-580517.hostingersite.com/permeability-converter/): Water-vapor permeability of materials, per unit thickness. Perm-inch uses the 0 °C (conventional) inch of mercury. - [All Conversions](https://blue-barracuda-580517.hostingersite.com/conversions/): 36 measurement converters, 8 cooking and baking calculators and live currency rates. Search for a unit or browse by category. - [Oven to Air Fryer Conversion](https://blue-barracuda-580517.hostingersite.com/oven-to-air-fryer-conversion/): Turn an oven recipe’s temperature and time into air fryer settings. - [Milk Weight Calculator](https://blue-barracuda-580517.hostingersite.com/milk-weight-calculator/): See how much a cup, quart, gallon or litre of milk weighs. Milk is slightly heavier than water. - [Cooking & Baking Calculators](https://blue-barracuda-580517.hostingersite.com/cooking-baking-calculators/): Practical helpers for bakers, roasters and anyone feeding a crowd. Each one shows the answer straight away and explains how it got there. - [Oven Temperature Conversion Chart](https://blue-barracuda-580517.hostingersite.com/oven-temperature-conversion-chart/): Switch any recipe between Fahrenheit, Celsius, fan (convection) ovens and gas marks, with the full chart below. - [Recipe Scale Calculator](https://blue-barracuda-580517.hostingersite.com/recipe-scale-calculator/): Halve, double or resize a recipe. Paste the ingredient list and every amount is scaled, with spoons and cups tidied into easy measures. - [Turkey Thawing Time Calculator](https://blue-barracuda-580517.hostingersite.com/turkey-thawing-time-calculator/): How long a frozen turkey takes to thaw safely in the fridge or in cold water, and when to start. - [Turkey Size Calculator](https://blue-barracuda-580517.hostingersite.com/turkey-size-calculator/): How big a turkey to buy for the number of people at your table, with or without leftovers. - [Turkey Cooking Time Calculator](https://blue-barracuda-580517.hostingersite.com/turkey-cooking-time-calculator/): How long to roast a whole turkey at 325 °F (163 °C), stuffed and not stuffed, using the USDA roasting chart. - [Contact](https://blue-barracuda-580517.hostingersite.com/contact/): Spotted a figure that looks wrong, want a new converter, or have a question about a result? Send a note and we’ll take a look. - [Luminous Intensity Converter](https://blue-barracuda-580517.hostingersite.com/luminous-intensity-converter/): Light sent out in one direction: candela, millicandela (LED specs) and candlepower. Lumens to candela also needs the beam angle. - [Electric Current Converter](https://blue-barracuda-580517.hostingersite.com/current-converter/): Amperes, milliamperes, microamperes and CGS units of electric current. - [Currency Converter](https://blue-barracuda-580517.hostingersite.com/currency-converter/): Live Exchange rates for 160+ world currencies, updated once a day. - [Electric Charge Converter](https://blue-barracuda-580517.hostingersite.com/charge-converter/): Coulombs, battery capacity (mAh, Ah), the faraday and CGS units. Turning mAh into watt-hours also needs the battery voltage. - [Fuel Consumption Converter](https://blue-barracuda-580517.hostingersite.com/fuel-consumption-converter/): Car fuel economy both ways: L/100 km, km/L, and US or UK miles per gallon. Higher mpg means fewer L/100 km, so these use formulas instead of a simple multiplier. - [Radiation Exposure Converter](https://blue-barracuda-580517.hostingersite.com/radiation-exposure-converter/): Ionization caused in air by X-rays and gamma rays: roentgen and coulomb per kilogram. - [Radioactivity Converter](https://blue-barracuda-580517.hostingersite.com/radioactivity-converter/): How fast a radioactive source decays: becquerel, curie and their multiples, plus disintegrations per minute. - [Data Transfer Converter](https://blue-barracuda-580517.hostingersite.com/data-transfer-converter/): Internet and network speeds. Providers quote megabits per second (Mbps); downloads show megabytes per second (MB/s). 1 MB/s = 8 Mbps. - [Equivalent Dose Converter](https://blue-barracuda-580517.hostingersite.com/equivalent-dose-converter/): Radiation dose adjusted for its health effect: sievert, millisievert, rem and millirem. Also used for effective dose. - [Absorbed Dose Converter](https://blue-barracuda-580517.hostingersite.com/absorbed-dose-converter/): Radiation energy absorbed per kilogram: gray, rad and their multiples. For sieverts and rem, use Equivalent Dose. - [Inductance Converter](https://blue-barracuda-580517.hostingersite.com/inductance-converter/): Henries, millihenries and microhenries for coils and inductors, plus CGS units. - [Capacitance Converter](https://blue-barracuda-580517.hostingersite.com/capacitance-converter/): Farads, microfarads, nanofarads and picofarads for capacitors, plus CGS units. - [Electric Conductance Converter](https://blue-barracuda-580517.hostingersite.com/conductance-converter/): The inverse of resistance: siemens, mho and CGS units. Water conductivity (µS/cm) is a different quantity. - [Electric Resistance Converter](https://blue-barracuda-580517.hostingersite.com/resistance-converter/): Ohms, kilohms and megohms for resistors and circuits, plus CGS units. - [Specific Heat Converter](https://blue-barracuda-580517.hostingersite.com/specific-heat-converter/): Specific heat capacity: J/(kg·K), kJ/(kg·K), J/(g·°C), cal/(g·°C) and BTU/(lb·°F). Calorie and BTU are International Table values unless marked thermochemical. [comment]: # (Generated by Hostinger Tools Plugin)