Free Number Conversion Tools
Convert numbers between formats, bases, and units with ease
Tool Categories
Distance Conversion
Convert between kilometers, miles, meters, feet, and other distance units
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Weight Conversion
Convert between weight and mass units
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RF & Wireless
RF engineering calculators for antenna design, signal propagation, and wireless communications
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Temperature Conversion
Convert between temperature scales: Celsius, Fahrenheit, and Kelvin
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Volume Conversion
Convert between volume and liquid measurement units
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Area Conversion
Convert between area and land measurement units
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Speed Conversion
Convert between speed and velocity units
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Data Storage Conversion
Convert between data storage and transfer speed units
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Time Conversion
Convert between time units and formats
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Pressure Conversion
Convert between pressure units for automotive, medical, and industrial applications
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Energy Conversion
Convert between energy units like calories, joules, and BTU
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Power Conversion
Convert between power units like horsepower and kilowatts
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Number Systems
Convert between binary, decimal, hexadecimal, and other number systems
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Angle Conversion
Convert between degrees, radians, gradians, and other angle units
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Angular Velocity
Convert between rotational speed units
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Banking & Savings
Savings account, CD, and interest rate calculators
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Coordinate Conversion
Convert GPS, DMS, and other coordinate formats
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Date & Calendar
Calendar conversions and date calculations
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Density Conversion
Convert between density units
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Economic & Inflation
Inflation calculators, purchasing power analysis, and economic tools
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Flow Rate
Convert between flow rate units
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Force Conversion
Convert between force units like Newtons and pounds-force
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Frequency Conversion
Convert between Hz, kHz, MHz, GHz and other frequency units
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Fuel Economy
Convert between MPG, L/100km, and other efficiency units
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Image Resolution
Convert DPI, PPI, and calculate print sizes
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Light & Illumination
Convert lumens, lux, candela, and other light units
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Lumber & Wood
Calculate board feet and lumber dimensions
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Metric Prefixes
Convert between metric prefix scales
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Moment of Inertia
Convert between rotational inertia units
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Sound & Acoustics
Convert decibels, frequencies, and audio units
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Surface Tension
Convert between surface tension units
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Thermal Properties
Convert thermal conductivity and heat transfer units
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Torque Conversion
Convert Newton-meters, foot-pounds, and more
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Typography Conversion
Convert between points, picas, pixels, and other typography units
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Acceleration
Convert between acceleration units like m/s², ft/s², g-force, and gal
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Magnetic
Convert magnetic field and flux units like tesla, gauss, weber, and maxwell
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Viscosity
Convert viscosity units like centipoise, stokes, and pascal-second
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Radiation
Convert radiation units like becquerel, curie, gray, and sievert
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Paper Sizes
Reference guide for paper sizes including ISO A/B series, US sizes, and envelopes
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Concentration
Convert concentration units like PPM, percent, mg/L, and molarity
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Clothing Sizes
Convert clothing sizes between US, EU, and UK systems
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Cooking Conversion
Convert between cups, tablespoons, teaspoons, and other cooking measurements
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Electrical
Convert electrical units and wire gauge measurements
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Math & Numbers
Percentage, fraction, ratio, and number calculators for everyday math
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Currency
Convert between world currencies with live exchange rates
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Color
Convert between color formats like RGB, HEX, HSL, and CMYK
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Text & Encoding
Text encoding converters including Base64, URL encoding, and character conversions
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Date & Time
Date and time converters, calendar systems, and timezone tools
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