Unit Conversion Calculators

Convert between square feet, square meters, acres, hectares, and square footage.

Convert between PSI, bar, and atmospheres for tire pressure, HVAC, and engineering.

Convert between megabytes, gigabytes, terabytes, bits, bytes, and network speeds (Mbps/Gbps).

Convert between joules, calories, kilowatt-hours, and BTUs.

Convert between Fahrenheit, Celsius, and Kelvin. Includes the formulas: °C = (°F - 32) × 5/9 and K = °C + 273.15.

Convert between inches, centimeters, feet, meters, miles, kilometers, millimeters, and yards. The most commonly needed conversions for everyday use, construction, and travel.

Convert between gallons, liters, cups, milliliters, fluid ounces, pints, quarts, tablespoons, teaspoons, and cubic feet. Covers cooking, beverage, and industrial measurements.

Convert between miles per hour, kilometers per hour, knots, and feet per second.

Convert between pounds, kilograms, ounces, grams, tons, and stones. Essential for cooking, fitness tracking, shipping, and international communication.