Convert Technical Atmosphere to Megapascal (at to Megapascal)

Technical Atmosphere (at) and Megapascal (Megapascal) are both units of pressure. With the conversion form below, you can effortlessly and accurately convert technical atmosphere to megapascal. This free online calculator tool makes it simple and easy to perform the conversion from at unit to the Megapascal unit.

Pressure is the force applied perpendicular to a surface per unit area: P = F / A. The SI unit is the pascal (Pa), equal to one newton per square metre (1 Pa = 1 N/m²). Practical applications use larger units: the bar (1 bar = 100,000 Pa, close to standard atmospheric pressure), atmosphere (atm) (1 atm = 101,325 Pa), and psi (pounds per square inch, used in the US for tire and gas pressures). Blood pressure is measured in mmHg (millimetres of mercury), also called torr.

Technical atmosphere (symbol: at) is a unit of pressure defined as the pressure exerted by one kilogram-force per square centimeter. One technical atmosphere is exactly equal to 98,066.5 pascals, 0.980665 bar, or 0.967841 standard atmosphere (atm). The technical atmosphere was widely used in engineering, hydraulics, and industrial pressure measurements, particularly in Europe, before SI units became the international standard. It is still encountered in older engineering documents and is commonly converted to pascals, bar, and standard atmospheres when interpreting historical specifications and technical data.

The megapascal (symbol: MPa) is an SI-derived unit of pressure equal to one million (10⁶) pascals. It is one of the most widely used pressure units in civil engineering, mechanical engineering, hydraulics, and material science. The megapascal is commonly used to express concrete compressive strength, steel yield strength, hydraulic pressure, and industrial operating pressures. It uses the SI prefix mega, representing a factor of one million.

One megapascal is equal to 1,000,000 pascals, 1,000 kilopascals, 0.001 gigapascal, 10 bars, and 145.038 pounds per square inch. The megapascal is the preferred SI unit for reporting engineering pressures and material properties.