Conversion Calculators
43 free conversion calculators — each ready with a live result. Pick one and read your answer straight off the screen.
Acceleration Converter Calculator
Calculate acceleration from velocity change and time, with units, examples, and common physics mistakes explained.
Angle Converter Calculator
Convert between degrees, radians, gradians, turns, arcminutes, and arcseconds with practical examples.
Area Converter Calculator
Convert area units such as square meters, square feet, acres, hectares, and square miles with accuracy tips.
Bar to PSI Converter Calculator
Convert pressure between bar and pounds per square inch (psi), with examples for tires, tools, and gauges.
Capacitance Calculator
Convert between different units of capacitance including farads, millifarads, microfarads, nanofarads, and picofarads. Perfect for electronics and electrical engineering calculations.
Celsius to Fahrenheit Calculator
Convert temperatures between Celsius and Fahrenheit scales quickly and accurately. Perfect for weather, cooking, science, and everyday temperature conversions.
Celsius to Kelvin Calculator
Convert temperature from Celsius (°C) to Kelvin (K) with this easy-to-use calculator. Essential for scientific calculations and understanding absolute temperature scales.
Currency Converter Calculator
Convert between major world currencies including US Dollar (USD), Euro (EUR), British Pound (GBP), Japanese Yen (JPY), and more
Data Transfer Rate Converter Calculator
Convert data transfer rates between different units including bits per second (bit/s), kilobits per second (kbit/s), megabits per second (Mbit/s), and gigabytes per second (GB/s)
Density Converter Calculator
Convert density measurements between different units including kilograms per cubic meter (kg/m³), grams per cubic centimeter (g/cm³), and pounds per cubic foot (lb/ft³)
Digital Storage Converter
Convert digital storage measurements between bytes (B), kilobytes (KB), megabytes (MB), gigabytes (GB), and terabytes (TB) with this easy-to-use calculator. Perfect for computing, data storage, and file size calculations.
Electric Current Converter
Convert between different units of electric current including amperes (A), milliamperes (mA), and microamperes (µA). Perfect for electronics, electrical engineering, and circuit design.
Energy Converter
Convert energy measurements between joules (J), calories (cal), kilowatt-hours (kWh), and British Thermal Units (BTU) with this easy-to-use calculator. Perfect for physics and energy consumption calculations; note that food Calories are kilocalories (kcal).
Feet per Second to Meters per Second Calculator
Convert feet per second to meters per second and understand velocity conversion for physics, sports, engineering, and fluid calculations.
Flow Rate Converter Calculator
Convert flow rate units and understand volume per time calculations for plumbing, irrigation, pumps, and process measurements.
Force Converter
Convert force units and review Newton, pound-force, kilogram-force, and acceleration-based force calculations with examples.
Frequency Converter
Convert Hz, kHz, MHz, and GHz values and understand frequency units for waves, electronics, sound, and communications.
Fuel Economy Converter Calculator
Convert fuel economy between MPG, L/100 km, km/L, and related units with guidance for comparing vehicle efficiency.
Gallons to Liters Calculator
Convert US gallons to liters and liters to gallons for fuel, liquids, recipes, aquariums, and volume comparisons.
Inch to Meter Calculator
Convert inches to meters and vice versa with this easy-to-use calculator. Perfect for engineering, construction, and everyday unit conversions.
Knots to MPH Calculator
Convert speed from knots (nautical miles per hour) to miles per hour (MPH) with this easy-to-use calculator. Perfect for maritime navigation and weather calculations.
Length Converter
Convert length units including millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles for DIY, travel, school, and engineering.
Luminous Intensity Converter
Convert between candela (cd), lumen (lm), and lux (lx) using distance and solid-angle assumptions for lighting design and photography.
Magnetic Field Converter
Convert between magnetic field units including tesla (T), gauss (G), and oersted (Oe). Oersted conversions assume vacuum or air.
Miles to Kilometers Calculator
Convert distances from miles to kilometers quickly and accurately. Perfect for international travel, sports, and understanding distances across different measurement systems.
Milliliters to Cups Calculator
Convert volume from milliliters to US cups quickly and accurately. Perfect for cooking, baking, and converting between metric and US recipes.
Millimeter to Kilometer Calculator
Convert between millimeters (mm) and kilometers (km) with this easy-to-use calculator. Perfect for engineering, construction, and scientific measurements.
Ounces to Grams Calculator
Convert between ounces and grams quickly and accurately. Perfect for cooking, baking, scientific measurements, and international recipes.
Ounces to Milliliters Calculator
Convert fluid volume from fluid ounces (fl oz) to milliliters (ml) with this easy-to-use calculator. Perfect for cooking, baking, and liquid measurements.
Pounds to Kilograms Calculator
Convert weight from pounds to kilograms quickly and accurately. Perfect for fitness tracking, international shipping, and understanding weight measurements across different systems.
Power Converter
Convert power measurements between watts (W), kilowatts (kW), horsepower (hp), and megawatts (MW) with this easy-to-use calculator. Perfect for engineering, machinery specifications, and energy calculations.
Pressure Converter Calculator
Convert pressure units between Pascal (Pa), kilopascal (kPa), bar, atmosphere (atm), pounds per square inch (psi), and millimeters of mercury (mmHg)
Radiation Converter Calculator
Convert radiation measurements between different units including becquerel (Bq), curie (Ci), gray (Gy), sievert (Sv), and rem
Sound Level Converter
Convert between different units of sound measurement including decibels (dB), phon, and sone. Perfect for acoustics, audio engineering, and noise control applications.
Speed Converter
Convert speeds between kilometers per hour (km/h), miles per hour (mph), meters per second (m/s), and knots (kts) with this easy-to-use calculator. Perfect for travel, sports, navigation, and scientific calculations.
Square Feet to Square Meters Calculator
Convert area measurements from square feet (ft²) to square meters (m²) with this easy-to-use calculator. Perfect for real estate, construction, and international property measurements.
Temperature Converter
Convert temperatures between Celsius (°C), Fahrenheit (°F), and Kelvin (K) with this easy-to-use calculator. Perfect for science, cooking, weather, and everyday temperature conversions.
Time Converter
Convert time measurements between seconds, minutes, hours, days, weeks, months, and years with this easy-to-use calculator. Perfect for scheduling, project planning, and time calculations.
Torque Converter Calculator
Convert torque measurements between different units including Newton-meters (N⋅m), kilogram-force meters (kgf⋅m), foot-pounds (ft⋅lb), and inch-pounds (in⋅lb)
Viscosity Converter Calculator
Convert viscosity measurements between different units including pascal-second (Pa⋅s), poise (P), centipoise (cP), and millipascal-second (mPa⋅s)
Volume Converter
Convert volumes between liters (L), gallons (gal), cups, and milliliters (mL) with this easy-to-use calculator. Perfect for cooking, liquid measurements, and international conversions.
Watts to Horsepower Calculator
Convert power from watts to horsepower quickly and accurately. Perfect for engine specifications, motor ratings, and understanding power measurements across different systems.
Weight Converter
Convert weights between kilograms (kg), pounds (lbs), ounces (oz), and grams (g) with this easy-to-use calculator. Perfect for cooking, fitness tracking, and international measurements.