Free Unit Converters Tools
Universal conversion tools for temperature, mass, length, and digital storage Professional tools with instant processing, clean outputs, and 100% free access.
Angle Converter - Degrees, Radians & Arcseconds
Free online angle converter. Convert degrees to radians, arcminutes, arcseconds, gradians, and turns instantly with multi-unit sync.
Area Converter - Land & Metric Area Calculator
Free online area converter. Convert instantly between square meters (m²), square feet (ft²), acres, hectares, square yards, and square miles with multi-unit sync.
Data Transfer Rate & Bandwidth Converter
Free online data transfer rate converter. Convert Mbps to MB/s, Gbps to GB/s, and estimate real-time download duration for games, movies, and backups.
Density Converter - kg/m³, g/cm³, lb/ft³ & lb/in³
Free online density converter. Convert between kilograms per cubic meter (kg/m³), grams per cubic centimeter (g/cm³), and pounds per cubic foot (lb/ft³).
Digital Storage Converter
Convert data sizes between Bytes, KB, MB, GB, TB, and PB using binary (1024) standards.
Energy & Heat Converter
Free online energy converter. Convert between Joules, Kilojoules, Calories, Kilocalories (kcal), Watt-hours, Kilowatt-hours (kWh), and BTU.
Flow Rate Converter - LPM, GPM, m³/h & CFM
Free online flow rate converter. Convert between Liters per minute (LPM), US Gallons per minute (GPM), cubic meters per hour (m³/h), and CFM.
Force Units Converter - Newtons, lbf & Dynes
Free online force converter. Convert between Newtons (N), pound-force (lbf), dynes, kilogram-force (kgf), and metric tons-force with real-time sync.
Fuel Consumption Converter & Trip Cost
Convert vehicle fuel economy between MPG (US), MPG (UK), L/100km, and km/L. Calculate road trip fuel costs and gallons or liters needed.
Illuminance Converter - Lux (lx) & Foot-Candles (fc)
Free online illuminance converter. Convert between Lux (lx), foot-candles (fc), and phot (ph) with real-world architectural and photography presets.
Length & Distance Converter
Accurate length and distance converter. Convert between meters, feet, inches, kilometers, and miles.
Power & Mechanical Work Converter
Free online power converter. Convert between Watts, Kilowatts (kW), Horsepower (HP), Megawatts, metric PS, and BTU per hour instantly.
Pressure Units Converter
Free online pressure converter. Convert between Pascal, Bar, PSI, atmospheres (atm), and mmHg/Torr with high precision scientific scaling.
Running Pace & Speed Converter
Free online running pace converter. Convert between minutes per kilometer, minutes per mile, km/h, and mph with 5K, 10K, half, and full marathon time predictions.
Speed & Velocity Converter
Free online speed and velocity converter. Convert between km/h, mph, m/s, knots, ft/s, and Mach speed with real-time bi-directional calculations.
Temperature Converter
Convert temperature instantly between Celsius, Fahrenheit, Kelvin, and Rankine with live formulas.
Torque Converter - N·m, Foot-Pounds & Inch-Pounds
Free online torque converter. Convert instantly between Newton-meters (N·m), foot-pounds (ft-lb), inch-pounds (in-lb), and kg·m for automotive & engineering.
Volume & Liquid Capacity Converter
Free online volume converter. Convert liquid capacity and volume units between liters, milliliters, US gallons, UK gallons, fluid ounces, and cubic meters.
Weight & Mass Converter
Instant mass and weight converter. Convert between kilograms, pounds, ounces, grams, stones, and tons.
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