Hectopascals to atmospheres Converter

Enter the hectopascals, then press Calculate. The atmospheres stay hidden while you type.

Press Calculate after the entries are in.

What this pressure conversion is for

Use this page when a measurement is written in hectopascals and the next step needs atmospheres. The number stays blank until you press Calculate, so a half-typed entry is never mistaken for the answer.

The factor

Multiply by the factor: 1 hectopascal = 0.00098692 atmospheres.

A worked example

10 hectopascals are 0.00986923 atmospheres. Multiply the result by the reverse factor if you want the original number back.

How to check it

Write the factor down, do the multiply on paper, and compare it with the result card. If you change a sentence on this page, edit the HTML file and reload. The form and this note live in the same file.

The reverse conversion is atmospheres to hectopascals. A nearby pair in the same units is hectopascals to torr.