1. What is an atm to psi Calculator?

Definition: This calculator converts atmospheric pressure (atm) to pounds per square inch (psi).

Purpose: It helps engineers, scientists, and technicians convert between these common pressure units.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( P_{psi} \) — Pressure in pounds per square inch (psi)
• \( P_{atm} \) — Pressure in atmospheres (atm)

Explanation: 1 standard atmosphere equals exactly 14.6959487755147 psi. For most practical purposes, we use 14.696 as the conversion factor.

3. Importance of Pressure Conversion

Details: Accurate pressure conversion is crucial in fields like engineering, meteorology, and industrial processes where different units are used.

4. Using the Calculator

Tips: Simply enter the pressure value in atmospheres (atm) and the calculator will provide the equivalent in psi.

5. Frequently Asked Questions (FAQ)

Q1: Why is the conversion factor 14.696?
A: This is the standard conversion factor based on the definition of 1 atmosphere as the pressure exerted by a 760 mm column of mercury at 0°C.

Q2: How precise is this conversion?
A: The conversion is precise to 6 decimal places (14.695949), but we use 14.696 for most practical applications.

Q3: When would I need to convert atm to psi?
A: Common applications include scuba diving calculations, industrial pressure systems, and scientific research where different units are standard.

Q4: What's the difference between atm and psi?
A: Both measure pressure, but atm is based on Earth's atmospheric pressure at sea level, while psi is based on pounds of force per square inch.

Q5: Can I convert psi back to atm?
A: Yes, simply divide the psi value by 14.696 to get atm.