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Conversion Calculators
106+ calculators
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Length & Area
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Acreage Calculator Calculate area in acres from length and width.
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Area Converter Convert between sq ft, sq m, acres, and hectares.
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Ares to Hectares Converter Convert ares to hectares and vice versa.
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Astronomical Unit Calculator Convert between AU, km, and light-years.
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Decimeter to Meter Converter Convert decimeters to meters.
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Feet and Inches Calculator Add or subtract feet and inches, results in total inches.
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Feet to Inches Converter Convert feet to inches.
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Height in Inches Calculator Convert height in feet-inches to total inches.
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Inches to Fraction Calculator Convert decimal inches to fractional inches (nearest 1/16, 1/8, etc.).
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Length Converter Convert between in, ft, yd, m, cm, km, miles.
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Light Year Conversion Convert between light years, parsecs, AU, and km.
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Mesh to Micron Converter Convert sieve mesh number to micron opening size.
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Pixels to Inches Converter Convert pixels to inches at given DPI/PPI.
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Degrees Minutes Seconds Calculator Convert between DMS and decimal degrees.
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Scale Calculator Convert a real-world measurement to scaled drawing measurement.
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Coordinates Converter Convert decimal degrees to DMS format.
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Volume & Weight
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CCF to Gallons Conversion Convert CCF (hundred cubic feet) to gallons.
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Cubic Feet Calculator Calculate cubic feet from length, width, and height.
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Cubic Meter Calculator Calculate cubic meters from dimensions.
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Cubic Yards to Tons Calculator Convert cubic yards to tons for various materials.
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Decagram to Gram Converter Convert decagrams to grams.
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Drops to ml Conversion Convert drops to milliliters.
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oz to Cups Converter Convert fluid ounces to cups.
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Gallon Calculator Calculate gallons from length, width, depth.
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Gallons to Pounds Converter Convert gallons to pounds for various liquids.
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Grams To Ounces Calculator Convert grams to ounces.
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kg to Gallons Converter Convert kilograms to gallons for various liquids.
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Liters to Centiliters Converter Convert liters to centiliters.
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mcg to mg Converter Convert micrograms to milligrams.
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mg to mL Calculator Convert milligrams to milliliters for a given density.
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ml to Cups Converter Convert milliliters to cups.
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Pint to Pound Conversion Convert pints to pounds for various liquids.
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Pounds and Ounces Calculator Add or subtract pounds and ounces, results in total oz.
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Quarts to Pounds Conversion Convert quarts to pounds for various liquids.
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Volume Conversion Convert between gallons, liters, cubic feet, and cubic meters.
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Weight Converter Convert between kg, lb, oz, g, tons, and stones.
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Force, Pressure & Torque
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Force Converter Convert between N, lbf, kgf, and dynes.
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Inch-lbs to Nm Converter Convert inch-pounds to newton-meters.
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Inch-Pounds to Foot-Pounds Converter Convert inch-pounds to foot-pounds.
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Lbs to Newtons Converter Convert pound-force to newtons.
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Newton Meter Calculator Convert newton-meters to other torque units.
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Nm to ft-lbs Converter Convert newton-meters to foot-pounds.
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Nm to in-lbs Converter Convert newton-meters to inch-pounds.
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Pressure Conversion Convert between psi, atm, Pa, kPa, bar, mmHg.
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PSI to GPM Calculator Estimate flow rate from pressure and pipe diameter.
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Torque to hp Calculator Convert torque and RPM to horsepower.
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Torr to atm Conversion Convert torr to atmospheres.
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Number Converters
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Billion to Trillion Converter Convert billions to trillions and vice versa.
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Cents to Euros Calculator Convert cents to euros.
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Crore to Lakh Converter Convert crore to lakh.
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Crore to Million Converter Convert crores to millions.
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Million to Billion Converter Convert millions to billions.
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Million to Lakh Converter Convert millions to lakhs.
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Million to Thousand Converter Convert millions to thousands.
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Number to Billion Converter Convert any number to billions.
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Number to Million Converter Convert any number to millions.
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Numeral Systems
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Binary Converter Convert between binary, decimal, octal, and hex.
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Binary to Hexadecimal Converter Convert binary to hexadecimal.
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Binary to Octal Converter Convert binary to octal.
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Decimal to Hexadecimal Converter Convert decimal to hexadecimal.
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Decimal to Octal Converter Convert decimal to octal.
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Roman Numerals Converter Convert Arabic numbers to Roman numerals (see also static version).
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Tech & Electronics
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Byte Conversion Calculator Convert between B, KB, MB, GB, TB, PB.
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Capacitance Converter Convert between F, mF, uF, nF, pF.
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kB to MB Converter Convert kilobytes to megabytes.
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Mbps Calculator Calculate download time from file size and connection speed.
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Mbps to Gbps Converter Convert Mbps to Gbps.
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MB to GB Converter Convert megabytes to gigabytes.
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Unix Time Converter Convert Unix timestamps to date components.
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Time Converters
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Minutes to Hours Converter Convert minutes to hours and minutes.
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Time Unit Converter Convert between seconds, minutes, hours, days, weeks, years.
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Time Zones Converter Convert time between time zones. Enter 24h source and target offsets.
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Years to Decades Calculator Convert years to decades.
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Other Converters
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Angle Conversion Calculator Convert between degrees, radians, and gradians.
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CCF to Therms Calculator Convert CCF of natural gas to therms.
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Cents to Dollars Calculator Convert cents to dollars.
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CGS System of Units Converter Convert SI units to CGS units.
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cps Calculator Calculate characters per second from total characters and time.
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dBm to Watts Calculator Convert dBm to watts (mode 0) or watts to dBm (mode 1).
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Density Conversion Convert between kg/m3, g/cm3, lb/ft3, and specific gravity.
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Dimes to Dollars Calculator Convert dimes to dollars.
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Energy Conversion Calculator Convert between joules, BTU, calories, kWh, and eV.
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MPG to L/100 km Converter Convert fuel economy MPG to L/100 km.
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Grams To Calories Calculator Convert grams of macronutrients to calories.
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Hardness Conversion Calculator Convert between Rockwell, Brinell, Vickers, and Shore hardness.
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Joules to Volts Calculator Convert joules to volts given charge.
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Knots to kph Converter Convert knots to kilometers per hour.
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Knots to mph Converter Convert knots to miles per hour.
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m/s to km/h Converter Convert meters per second to km/h.
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Natural Gas Converter Convert between CCF, therms, BTU, and m3 of natural gas.
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Nm to Joules Calculator Convert newton-meters to joules.
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Nickels to Dollars Calculator Convert nickels to dollars.
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Paper Quantity Converter Convert between sheets, quires, reams, and bundles.
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Pennies to Dollars Calculator Convert pennies to dollars.
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Power Converter Convert between watts, hp, kW, BTU/hr.
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PPM Calculator Calculate ppm concentration from mass and volume.
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PPM to mg/L Converter Convert ppm to mg/L.
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Px to Em Converter Convert pixels to em units.
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Quantity Converter Convert between dozen, score, gross, and baker dozen.
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Quarters to Dollars Calculator Convert quarters to dollars.
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Radiation Converter Convert between Gy, Sv, rad, rem, Bq, Ci.
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RMS to Watts Converter Convert RMS voltage to power watts.
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Speed Conversion Convert between km/h, mph, m/s, and knots.
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Temperature Conversion Convert between Celsius, Fahrenheit, and Kelvin.
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Weird Units Converter Convert feet into unusual units: smoots, football fields, etc.
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Dimensional Analysis Calculator Perform dimensional analysis using conversion factors.