### Pascals

**Abbreviation/Symbol:**

- Pa

**Unit of:**

- Pressure

**Worldwide use:**

- The Pascal is widely used, except in some countries like the USA which use the older pounds per square inch(PSI) measure

**Definition:**

1 Pascal = 1 N/m2 or 1 Kg / m.s2

**Origin:**

The Pascal was named after mathematician-physicist Blaise Pascal. The name Pascal was approvd by the General Conference on Weights and Measures in 1971

**Common references:**

- Pascal is approximately the weight of a dollar bill lying flat on a surface. 100 Pascals is the approximate pressure of a strong breeze. A garden hose reaches a pressure of around 300,000 Pa. A human bite averages 1,100,00 Pa

**Usage context:**

Commonly used in engineering

**Multiples:**

- There are 100 Pascals in a hectopascal, 1,000 Pascals in a Kilopascal, 1,000,000 Pascals in a Megapascal and 1,000,000,000 Pascals in a Gigapascal