Conversions & Units
Convert physical dimensions, velocities, temperatures, energy ratings, and pressures with precision across metric, imperial, and SI standards.
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Distance, Area & Volume
Linear dimension transformations, land surface area surveys, and three-dimensional fluid capacities.
Length & Distance Converter
Convert between inches, feet, yards, miles, millimeters, centimeters, meters, and nautical miles with exact precision.
Area & Surface Measurement Converter
Convert square feet, square yards, acres, square meters, hectares, and square kilometers for surveying, mapping, and engineering.
Liquid & Volume Capacity Converter
Convert fluid ounces, cups, pints, quarts, gallons, liters, milliliters, and cubic yards across US and Imperial standards.
Mass, Temperature & Kinematics
Gravitational weight conversions, thermodynamic temperature scales, and velocity transformations.
Mass & Weight Converter
Convert ounces, pounds, stone, short tons, grams, kilograms, and metric tonnes with exact decimal rounding.
Temperature Scale Converter
Convert between Fahrenheit, Celsius, Kelvin, and Rankine thermodynamic scales with absolute zero safeguards.
Speed & Velocity Converter
Convert miles per hour (mph), kilometers per hour (km/h), knots, feet per second, and Mach numbers.
Running & Athletic Pace Converter
Convert running minutes per mile to minutes per kilometer and calculate equivalent race completion times.
Pressure, Power & Energy
Hydrostatic pressure head conversions, mechanical horsepower, kilowatt power, and fuel economy ratings.
Pressure & Atmospheric Head Converter
Convert pounds per square inch (PSI), bar, kilopascals (kPa), standard atmospheres, and inches of mercury (inHg).
Mechanical & Electrical Power Converter
Convert mechanical horsepower (hp), metric horsepower, kilowatts (kW), and BTU per hour.
Energy & Electricity Cost Converter
Convert kilowatt-hours (kWh), megajoules, and therms into equivalent utility operating electricity costs.
Fuel Consumption & Efficiency Converter
Convert US miles per gallon (MPG), UK Imperial MPG, liters per 100 km (L/100km), and kilometers per liter.