PanaKit / Converters
Free Online Converters
255+ free converters across 12 categories. Fast, accurate, and completely ad-free.
PanaKit's free online unit converters handle everything from everyday measurements like weight, length, and temperature to technical conversions covering power, voltage, energy, frequency, color, and number systems. All tools work instantly in your browser with zero setup. Try the Celsius to Fahrenheit Converter, Kilograms to Pounds Converter, or any of the 250+ converters below.
Weight Conversion
10 toolsLength Conversion
25 toolscm to Feet Conversioncm to Feet+Inchescm to Inches Conversioncm to mm ConversionFeet+Inches to cmFeet+Inches to MetersFeet+Inches to mmFeet to cm ConversionFeet to mm ConversionFeet to Inches ConversionFeet to Meters ConversionHeight ConverterInches to cm ConversionInches to Feet ConversionInches to Meters ConversionInches to mm Conversionkm to Miles ConversionMeters to Feet ConversionMeters to Feet+InchesMeters to Inches ConversionMiles to km Conversionmm to cm Conversionmm to Feet Conversionmm to Feet+Inchesmm to Inches Conversion
Power Conversion
31 toolsBHP to kW ConversionBTU/hr to kW ConversionBTU/hr to Tons ConversionBTU/hr to Watts ConversiondBm ConverterdBm to mW ConversiondBm to Watts ConversionGW to Watts Conversionhp to kW Conversionhp to Watts ConversionkW to BHP ConversionkW to BTU/hr ConversionkW to hp ConversionkW to mW ConversionkW to MW ConversionkW to Tons ConversionkW to Watts ConversionmW to Watts ConversionmW to kW ConversionmW to dBm ConversionMW to Watts ConversionMW to kW ConversionTons to BTU/hr ConversionTons to kW ConversionWatts to mW ConversionWatts to kW ConversionWatts to MW ConversionWatts to GW ConversionWatts to dBm ConversionWatts to hp ConversionWatts to BTU/hr Conversion
Voltage Conversion
10 toolsVolts to Microvolts (µV) ConversionVolts to Millivolts (mV) ConversionVolts to Kilovolts (kV) ConversionVolts to Megavolts (MV) ConversionVolts to Gigavolts (GV) ConversionMicrovolts (µV) to Volts (V) ConversionMillivolts (mV) to Volts (V) ConversionKilovolts (kV) to Volts (V) ConversionMegavolts (MV) to Volts (V) ConversionGigavolts (GV) to Volts (V) Conversion
Energy Conversion
28 toolsJoules to kJ ConversionJoules to BTU ConversionJoules to Calories ConversionJoules to kcal ConversionJoules to kWh ConversionJoules to eV ConversionkJ to Joules ConversionkJ to BTU ConversionkJ to Calories ConversionkJ to kcal ConversionBTU to kJ ConversionBTU to Joules ConversionBTU to kWh ConversionkWh to BTU ConversionkWh to Joules ConversionCalories to Joules ConversionCalories to kJ ConversionCalories to kcal Conversionkcal to Calories Conversionkcal to Joules Conversionkcal to kJ ConversioneV to Joules ConversioneV to keV ConversioneV to MeV ConversioneV to GeV ConversionkeV to eV ConversionMeV to eV ConversionGeV to eV Conversion
Electric Charge Conversion
12 toolsCoulombs to pC ConversionCoulombs to nC ConversionCoulombs to µC ConversionCoulombs to mC ConversionCoulombs to Electron Charge ConversionCoulombs to Ah ConversionpC to Coulombs ConversionnC to Coulombs ConversionµC to Coulombs ConversionmC to Coulombs ConversionElectron Charge to Coulombs ConversionAh to Coulombs Conversion
Number Conversion
37 toolsASCII to Binary ConverterASCII to Hex ConverterBase ConverterBinary ConverterBinary to ASCII ConverterBinary to Decimal ConverterBinary to Hex ConverterBinary to String ConverterDate to Roman Numerals ConverterDecimal to Fraction ConverterDecimal to Percent ConverterDecimal to Binary ConverterDecimal to Octal ConverterDecimal to Hex ConverterDegrees to DMS ConverterDMS to Degrees ConverterDegrees to Radians ConverterFraction to Decimal ConverterFraction to Percent ConverterHex/Decimal/Octal/Binary ConverterHex to ASCII ConverterHex to Binary ConversionHex to Decimal ConversionOctal to Decimal ConversionPercent to Decimal ConverterPercent to Fraction ConversionPercent to ppm Conversionppm to Percent Conversionppm to ppb Conversionppm to ppt Conversionppb to ppm Conversionppt to ppm Conversionppm ConverterRadians to Degrees ConverterRoman Numerals ConverterScientific Notation ConverterString to Binary Converter
Frequency Conversion
16 toolsHz to kHz ConversionHz to MHz ConversionHz to GHz ConversionHz to THz ConversionHz to rad/s ConversionkHz to Hz ConversionkHz to MHz ConversionkHz to GHz ConversionMHz to Hz ConversionMHz to kHz ConversionMHz to GHz ConversionGHz to Hz ConversionGHz to kHz ConversionGHz to MHz ConversionTHz to Hz ConversionRad/s to Hz Conversion
Temperature Conversion
12 toolsImage Conversion
9 toolsColor Conversion
8 toolsElectrical Calculations
57 toolsAmps to Watts CalculationAmps to kW CalculationAmps to kVA CalculationAmps to Volts CalculationAmps to Ohms CalculationAmps to mA CalculationmA to Amps CalculationWatts to Amps CalculationWatts to Joules CalculationWatts to Volts CalculationWatts to VA CalculationWatts to kVA CalculationWatts to Wh CalculationWatts to kWh CalculationWatts to kJ CalculationWatts to Lumens CalculationLumens to Watts CalculationLumens to Lux CalculationLux to Lumens CalculationkW to Amps CalculationkW to Volts CalculationkW to Wh CalculationkW to kWh CalculationkW to VA CalculationkW to kVA CalculationkW to Joules CalculationkW to kJ CalculationVolts to Amps CalculationVolts to Joules CalculationVolts to Watts CalculationVolts to kW CalculationVolts to Ohms CalculationVolts to eV CalculationOhms to Amps CalculationOhms to Volts CalculationJoules to Watts CalculationJoules to kW CalculationJoules to Volts CalculationkJ to Watts CalculationkJ to kW CalculationeV to Volts CalculationWh to mAh CalculationWh to Watts CalculationWh to kW CalculationkWh to Watts CalculationkWh to kW CalculationVA to Watts CalculationVA to kW CalculationVA to kVA CalculationkVA to Amps CalculationkVA to Watts CalculationkVA to kW CalculationkVA to VA CalculationAh to mAh CalculationmAh to Ah CalculationmAh to Wh CalculationdB Converter