UnitTo | Convert Any Unit. Instantly.Real-time
The fastest way to convert units. High-precision, real-time calculations running 100% locally in your browser.
Browse by Category
[TOTAL CATEGORIES: 15]
Length
Convert distance, height, inches, meters, feet, miles
Weight / Mass
Convert kilograms, pounds, grams, ounces, tons
Area
Convert square meters, square feet, square inches, acres
Temperature
Convert Celsius, Fahrenheit, Kelvin
Speed
Convert km/h, mph, m/s, knots
Volume
Convert liters, milliliters, gallons, cups
Energy
Convert Joules, Calories, Kilowatt-hours, BTU
Time
Convert seconds, minutes, hours, days, years
Pressure
Convert Pascals, bars, atmospheres, psi
Force
Convert Newtons, pounds-force, kilograms-force
Data Size
Convert bits, bytes, kilobytes, megabytes, gigabytes
Angle
Convert degrees, radians, gradians, turns
Density
Convert kg/m³, g/cm³, lb/ft³, lb/in³
Electric Current
Convert Amperes, milliamperes, microamperes, kiloamperes
Fuel Consumption
Convert km/L, L/100km, mpg (US/UK)
Why Choose Our Unit Converter?
Instant Conversion
Results are generated in a split second immediately as you type numbers.
200+ Units Supported
Covers everything from common metric/imperial systems to technical scientific scales.
Mobile Friendly
Engineered mobile-first with sticky shortcuts navigation tailored for easy thumb reach.
High Precision Math
Resolves JS floating-point arithmetic errors for exact, certified rounding calculations.
Privacy First
Calculations happen client-side; no numbers are sent to servers or recorded on databases.
Real-time Operations
Find, trigger, and resolve conversions reactively without manual button click clicks.
