Unit & Number Converters
Free, instant, client-side unit conversions across metric, imperial, physical, digital, and numbering systems. Accurate standards with zero latency.
Length Converter
Instantly convert between metric and imperial lengths: meters, kilometers, miles, feet, inches, and yards.
Weight Converter
Convert mass and weight between kilograms, grams, pounds (lbs), ounces (oz), metric tons, and stones.
Height Converter
Convert human height seamlessly between Feet & Inches (e.g. 5'10") and Metric (Centimeters & Meters).
Temperature Converter
Accurately convert between Celsius (°C), Fahrenheit (°F), Kelvin (K), and Rankine (°R).
Currency Converter
Calculate real-time foreign exchange between USD, EUR, GBP, INR, JPY, CAD, AUD, and major currencies.
Area Converter
Convert land and floor space between square meters, square feet, acres, hectares, and square kilometers.
Volume Converter
Convert liquid and dry volume between liters, milliliters, gallons, cups, fluid ounces, and tablespoons.
Speed Converter
Convert velocity between kilometers per hour (km/h), miles per hour (mph), meters per second (m/s), and knots.
Pressure Converter
Convert pressure units: Pascal (Pa), Kilopascal (kPa), Bar, PSI, Standard Atmosphere (atm), and Torr.
Power Converter
Convert power between Watts (W), Kilowatts (kW), Megawatts (MW), Horsepower (hp), and BTU/hr.
Energy Converter
Convert energy and work: Joules, Kilojoules, Calories, food kcal, Kilowatt-hours (kWh), and BTUs.
Frequency Converter
Convert frequency and wave cycles: Hertz (Hz), Kilohertz (kHz), Megahertz (MHz), Gigahertz (GHz), and RPM.
Angle Converter
Convert geometric and trigonometric angles: Degrees (°), Radians (rad), Gradians, and Arcminutes.
Time Converter
Convert time spans between seconds, milliseconds, minutes, hours, days, weeks, months, and years.
Data Storage Converter
Convert digital file sizes between Bits, Bytes, KB, MB, GB, TB, and PB in Decimal (1000) or Binary (1024).
Decimal to Binary Converter
Convert base-10 decimal integers to base-2 binary with 8-bit, 16-bit, and 32-bit padding options.
Binary to Decimal Converter
Convert binary bits (0s and 1s) to base-10 decimal with interactive powers of 2 breakdown.
Decimal to Hex Converter
Convert decimal numbers to base-16 hexadecimal (0x...) with uppercase/lowercase formatting.
Hex to Decimal Converter
Convert base-16 hexadecimal values (0-9, A-F) to base-10 decimal numbers.
Roman Numeral Converter
Bidirectional converter: translate Arabic numbers (1–3999) to Roman numerals and Roman numerals to numbers.