Atmosphere Converter Calculator

Work out atmosphere converter instantly with clear inputs, formula shown and shareable results.

About Atmosphere Converter Calculator

Each pressure unit is defined as a multiple of the pascal, so the conversion runs in two steps: multiply by the source unit's factor to reach pascal, then divide by the target unit's factor. One factor per unit covers every pair in the list. One standard atmosphere is defined as exactly 101,325 Pa.

Formulas

Two-step conversion

result = value × factor(from) ÷ factor(to)

Base value

base (pascal) = value × factor(from)

Worked example

With the default values below, Atmosphere Converter Calculator returns Converted Value of 101.325000. Change any input above and every figure here is recalculated in your browser.

Inputs used

Value: 1
From unitone of Pascal (Pa), Kilopascal (kPa), Megapascal (MPa), Bar, Millibar (mbar), Pound per square inch (psi), Standard atmosphere (atm), Millimetre of mercury (mmHg), Torr, Inch of mercury (inHg), Kilogram-force per cm² (kgf/cm²): Standard atmosphere (atm)
To unitone of Pascal (Pa), Kilopascal (kPa), Megapascal (MPa), Bar, Millibar (mbar), Pound per square inch (psi), Standard atmosphere (atm), Millimetre of mercury (mmHg), Torr, Inch of mercury (inHg), Kilogram-force per cm² (kgf/cm²): Kilopascal (kPa)

Results

Converted Value: 101.325000
Result Unit: Kilopascal (kPa)
Value in pascal (base): 101,325.000000
Multiplier Applied: 101.32500000

Step by step

1Values used
2Two-step conversion
3Base value
4Converted Value= 101.325000
5Result Unit= Kilopascal (kPa)
6Value in pascal (base)= 101,325.000000
7Multiplier Applied= 101.32500000

Assumptions and limits

The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
Figures are rounded for display to 8 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

Why route through pascal?

With 11 units, direct pairs would mean 110 factors to maintain. Going via pascal needs one factor per unit and gives the same answer.

Does the dropdown order matter?

Yes. The first is the unit your figure is already in; the second is what you want it in. Swapping them inverts the result.