Atmospheres to Pounds per Square Inch Converter
Convert Atmospheres to Pounds per Square Inch with the exact conversion factor, a worked example and a quick-reference table. Runs entirely in your browser.
This converter turns Atmospheres into Pounds per Square Inch instantly using the standard definition of both units. It includes the formula, a worked example, and a quick table for common amounts, and it works for any value you type — including decimals and negatives where they make sense.
Quick reference — Atmospheres to Pounds per Square Inch
How to use this calculator
- Enter the value in Atmospheres in the input box.
- Read the result in Pounds per Square Inch — it updates as you type.
- Use the Swap button to convert in the opposite direction.
- Check the quick-reference table for common Atmospheres amounts.
The formula
Pounds per Square Inch = Atmospheres × 14.6959
Worked example
1 atm = 14.6959 psi — in full, 1 Atmospheres converts to 14.6959 Pounds per Square Inch. Tyre pressure, weather maps and diving are the everyday jobs for this conversion.
Frequently Asked Questions
How do I convert Atmospheres to Pounds per Square Inch?
Multiply the value in Atmospheres by 14.6959. For example, 1 Atmospheres × 14.6959 = 14.6959 Pounds per Square Inch. To go the other way, divide by 14.6959 instead — or press Swap in the converter above.
How many Pounds per Square Inch are in one Atmosphere?
One Atmosphere equals 14.6959 Pounds per Square Inch. Scaling up, 10 Atmospheres = 146.959 Pounds per Square Inch and 100 Atmospheres = 1,469.59 Pounds per Square Inch. The converter uses the full-precision factor, so typed values are more precise than the rounded figure quoted here.
Which is bigger, a Atmosphere or a Pound per Square Inch?
A Atmosphere is bigger. One Atmosphere equals 14.6959 Pounds per Square Inch, while one Pound per Square Inch is only 0.068046 Atmospheres. So a measurement that looks larger in Pounds per Square Inch is reflecting the scale difference, not an error.
What is 1 Atmospheres in Pounds per Square Inch?
1 Atmospheres is 14.6959 Pounds per Square Inch. The math is 1 × 14.6959 = 14.6959. Try any other amount in the converter above and the result updates as you type.