WebCalcSys Calculator Ecosystem

All calculators

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Conversion Calculators

106+ calculators

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Length & Area

(16)

Acreage Calculator Calculate area in acres from length and width.

Area Converter Convert between sq ft, sq m, acres, and hectares.

Ares to Hectares Converter Convert ares to hectares and vice versa.

Astronomical Unit Calculator Convert between AU, km, and light-years.

Decimeter to Meter Converter Convert decimeters to meters.

Feet and Inches Calculator Add or subtract feet and inches, results in total inches.

Feet to Inches Converter Convert feet to inches.

Height in Inches Calculator Convert height in feet-inches to total inches.

Inches to Fraction Calculator Convert decimal inches to fractional inches (nearest 1/16, 1/8, etc.).

Length Converter Convert between in, ft, yd, m, cm, km, miles.

Light Year Conversion Convert between light years, parsecs, AU, and km.

Mesh to Micron Converter Convert sieve mesh number to micron opening size.

Pixels to Inches Converter Convert pixels to inches at given DPI/PPI.

Degrees Minutes Seconds Calculator Convert between DMS and decimal degrees.

Scale Calculator Convert a real-world measurement to scaled drawing measurement.

Coordinates Converter Convert decimal degrees to DMS format.

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Volume & Weight

(20)

CCF to Gallons Conversion Convert CCF (hundred cubic feet) to gallons.

Cubic Feet Calculator Calculate cubic feet from length, width, and height.

Cubic Meter Calculator Calculate cubic meters from dimensions.

Cubic Yards to Tons Calculator Convert cubic yards to tons for various materials.

Decagram to Gram Converter Convert decagrams to grams.

Drops to ml Conversion Convert drops to milliliters.

oz to Cups Converter Convert fluid ounces to cups.

Gallon Calculator Calculate gallons from length, width, depth.

Gallons to Pounds Converter Convert gallons to pounds for various liquids.

Grams To Ounces Calculator Convert grams to ounces.

kg to Gallons Converter Convert kilograms to gallons for various liquids.

Liters to Centiliters Converter Convert liters to centiliters.

mcg to mg Converter Convert micrograms to milligrams.

mg to mL Calculator Convert milligrams to milliliters for a given density.

ml to Cups Converter Convert milliliters to cups.

Pint to Pound Conversion Convert pints to pounds for various liquids.

Pounds and Ounces Calculator Add or subtract pounds and ounces, results in total oz.

Quarts to Pounds Conversion Convert quarts to pounds for various liquids.

Volume Conversion Convert between gallons, liters, cubic feet, and cubic meters.

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.

Inch-lbs to Nm Converter Convert inch-pounds to newton-meters.

Inch-Pounds to Foot-Pounds Converter Convert inch-pounds to foot-pounds.

Lbs to Newtons Converter Convert pound-force to newtons.

Newton Meter Calculator Convert newton-meters to other torque units.

Nm to ft-lbs Converter Convert newton-meters to foot-pounds.

Nm to in-lbs Converter Convert newton-meters to inch-pounds.

Pressure Conversion Convert between psi, atm, Pa, kPa, bar, mmHg.

PSI to GPM Calculator Estimate flow rate from pressure and pipe diameter.

Torque to hp Calculator Convert torque and RPM to horsepower.

Torr to atm Conversion Convert torr to atmospheres.

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Number Converters

(9)

Billion to Trillion Converter Convert billions to trillions and vice versa.

Cents to Euros Calculator Convert cents to euros.

Crore to Lakh Converter Convert crore to lakh.

Crore to Million Converter Convert crores to millions.

Million to Billion Converter Convert millions to billions.

Million to Lakh Converter Convert millions to lakhs.

Million to Thousand Converter Convert millions to thousands.

Number to Billion Converter Convert any number to billions.

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.

Binary to Hexadecimal Converter Convert binary to hexadecimal.

Binary to Octal Converter Convert binary to octal.

Decimal to Hexadecimal Converter Convert decimal to hexadecimal.

Decimal to Octal Converter Convert decimal to octal.

Roman Numerals Converter Convert Arabic numbers to Roman numerals (see also static version).

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Tech & Electronics

(7)

Byte Conversion Calculator Convert between B, KB, MB, GB, TB, PB.

Capacitance Converter Convert between F, mF, uF, nF, pF.

kB to MB Converter Convert kilobytes to megabytes.

Mbps Calculator Calculate download time from file size and connection speed.

Mbps to Gbps Converter Convert Mbps to Gbps.

MB to GB Converter Convert megabytes to gigabytes.

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.

Time Unit Converter Convert between seconds, minutes, hours, days, weeks, years.

Time Zones Converter Convert time between time zones. Enter 24h source and target offsets.

Years to Decades Calculator Convert years to decades.

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Other Converters

(33)

Angle Conversion Calculator Convert between degrees, radians, and gradians.

CCF to Therms Calculator Convert CCF of natural gas to therms.

Cents to Dollars Calculator Convert cents to dollars.

CGS System of Units Converter Convert SI units to CGS units.

cps Calculator Calculate characters per second from total characters and time.

dBm to Watts Calculator Convert dBm to watts (mode 0) or watts to dBm (mode 1).

Density Conversion Convert between kg/m3, g/cm3, lb/ft3, and specific gravity.

Dimes to Dollars Calculator Convert dimes to dollars.

Energy Conversion Calculator Convert between joules, BTU, calories, kWh, and eV.

MPG to L/100 km Converter Convert fuel economy MPG to L/100 km.

Grams To Calories Calculator Convert grams of macronutrients to calories.

Hardness Conversion Calculator Convert between Rockwell, Brinell, Vickers, and Shore hardness.

Joules to Volts Calculator Convert joules to volts given charge.

Knots to kph Converter Convert knots to kilometers per hour.

Knots to mph Converter Convert knots to miles per hour.

m/s to km/h Converter Convert meters per second to km/h.

Natural Gas Converter Convert between CCF, therms, BTU, and m3 of natural gas.

Nm to Joules Calculator Convert newton-meters to joules.

Nickels to Dollars Calculator Convert nickels to dollars.

Paper Quantity Converter Convert between sheets, quires, reams, and bundles.

Pennies to Dollars Calculator Convert pennies to dollars.

Power Converter Convert between watts, hp, kW, BTU/hr.

PPM Calculator Calculate ppm concentration from mass and volume.

PPM to mg/L Converter Convert ppm to mg/L.

Px to Em Converter Convert pixels to em units.

Quantity Converter Convert between dozen, score, gross, and baker dozen.

Quarters to Dollars Calculator Convert quarters to dollars.

Radiation Converter Convert between Gy, Sv, rad, rem, Bq, Ci.

RMS to Watts Converter Convert RMS voltage to power watts.

Speed Conversion Convert between km/h, mph, m/s, and knots.

Temperature Conversion Convert between Celsius, Fahrenheit, and Kelvin.

Weird Units Converter Convert feet into unusual units: smoots, football fields, etc.

Dimensional Analysis Calculator Perform dimensional analysis using conversion factors.