Force Calculator help you to determine the unknown variable in the force equation Force = mass × acceleration (F = ma).

Percent To Fraction Calculator could help you to convert the given percentages into fractions.

Pythagorean Theorem Calculator could finds the unknown side length of a right triangle to quickly solve right triangle problems.

Roofing Calculator is a free roofing square footage calculator to determine your roof size and get the right amount of roofing shingles for your job.

Feet and Inches Calculator is an easy-to-use online calculator that is used to evaluate the addition, subtraction, multiplication, and division of two values in feet and inches, and allows you to efficiently perform mathematical operations on measurements expressed in feet and inches.

Volume Converter is an online unit transformer that supports conversions and calculations between various volume units including Cubic Meter(m³), Hectoliter(hl), Decaliter(dal), Cubic Decimeter(dm³ (= l)), Deciliter(dl), Centiliter(cl), Cubic Centimeter(cm³ (= ml)), Cubic Millimeter(mm³), Acre-foot(ac-ft), Cubic Yard(yd³), Cubic Foot(ft³), Cubic Inch(in³), Gallon (Imperial)(gal (Imp)), Gallon (US Liquid)(gal (US liq)), Ounce (Imperial Fluid)(fl oz (Imp)), Ounce (US Liquid)(fl oz (US liq)) and more.

Voltage Converter supports conversions and calculations between various voltage units including Kilovolt(kV), Volt(V), Millivolt(mV), Microvolt(μV), Megavolt(MV) and more.

Speed Converter is an online unit transformer that supports conversions and calculations between various speed units including Meters per Second(m/s), Kilometers per Hour(km/h), Inches per Second(in/s), Kilometers per Second(km/s), Mach(mach), Miles per Hour(mph), Speed of Light(c) and more.

Pressure Converter is an online unit transformer that supports conversions and calculations between various pressure units including Bar(bar), Pascal(Pa (= N/m²)), Kilopascal(kPa), Hectopascal(hPa), Megapascal(MPa), Millibar(mbar), Atmosphere(atm), Millimeter of Mercury(mm Hg (= Torr)), Pounds per Square Foot(lbf/ft² (= psf)), Pounds per Square Inch(lbf/in² (= psi)), Inches of Mercury(in Hg), Kilogram-force per Square Centimeter(kgf/cm²), Kilogram-force per Square Meter(kgf/m²), Millimeters of Water(mm H2O) and more.

Mass Converter supports conversions and calculations between various mass units including Metric Ton(t), Kilogram(kg), Gram(g), Milligram(mg), Microgram(μg), Troy Pound(lb t), Troy Ounce(oz t), Pennyweight(dwt), Troy Grain(grain), Long Ton(lt), Short Ton(st), Hundredweight(cwt), Hundredweight, US(cwt), Stone(st), Avoirdupois Pound(lb), Avoirdupois Ounce(oz), Dram(dr), Avoirdupois Grain(grain) and more.

Plane Angle Converter is an online unit transformer that supports conversions and calculations between various plane angle units including Circle(circle), Degrees(deg), Arcminutes(′), Arcseconds(″), Gradians(grad), Radians(rad), Milliradian(mrad) and more.

Fuel Economy Converter supports conversions and calculations between various fuel economy units including Miles per Gallon(mpg), Kilometer per Liter(km/L), Miles per Gallon (Imperial)(mpg (Imp)), Liter per 100 Lilometers(L/100km) and more.