100% Free — no sign-up, no limits Files processed in memory, never stored 184+ PDF, image, Office, developer & unit tools

inHg to hPa Converter

Convert inHg to hPa instantly: 1 inch mercury (32°F) = 33.86389 hectopascals. Free inhg to hpa converter with formula, chart and examples.

1 inch mercury (32°F) = 33.86389 hectopascals

All conversions

UnitSymbolValue

Quick answer

To convert inHg to hPa, multiply the number of inches of mercury (32°F) by 33.8639. For example, 28 inHg = 948.189 hPa.

Last updated · Conversion factors follow the SI definitions in the BIPM SI Brochure and NIST SP 811.

How to Convert inHg to hPa

The formula is hectopascals = inches of mercury (32°F) × 33.86389. 1 inch mercury (32°F) = 33.86389 hectopascals. Type any value in the converter above for an instant answer, or use the chart below for the most common values.

This page is preset for inch mercury (32°F) to hectopascal conversions, but you can switch either list to any of the 52 units in the Pressure Converter.

inHg to hPa conversion chart

inHghPa
0.1 inHg3.386389 hPa
0.25 inHg8.4659725 hPa
0.5 inHg16.931945 hPa
1 inHg33.86389 hPa
2 inHg67.72778 hPa
3 inHg101.59167 hPa
4 inHg135.45556 hPa
5 inHg169.31945 hPa
6 inHg203.18334 hPa
7 inHg237.04723 hPa
8 inHg270.91112 hPa
9 inHg304.77501 hPa
10 inHg338.6389 hPa
11 inHg372.50279 hPa
12 inHg406.36668 hPa
13 inHg440.23057 hPa
14 inHg474.09446 hPa
15 inHg507.95835 hPa
16 inHg541.82224 hPa
17 inHg575.68613 hPa
18 inHg609.55002 hPa
19 inHg643.41391 hPa
20 inHg677.2778 hPa
25 inHg846.59725 hPa
28 inHg948.18892 hPa
29 inHg982.05281 hPa
29.92 inHg1,013.2076 hPa
30 inHg1,015.9167 hPa
31 inHg1,049.7806 hPa
40 inHg1,354.5556 hPa
50 inHg1,693.1945 hPa
60 inHg2,031.8334 hPa
70 inHg2,370.4723 hPa
75 inHg2,539.7918 hPa
80 inHg2,709.1112 hPa
90 inHg3,047.7501 hPa
100 inHg3,386.389 hPa
150 inHg5,079.5835 hPa
200 inHg6,772.778 hPa
250 inHg8,465.9725 hPa
500 inHg16,931.945 hPa
1,000 inHg33,863.89 hPa

Common inHg to hPa conversions

  • 1 inch mercury (32°F) = 33.86389 hectopascals
  • 28 inHg = 948.18892 hPa
  • 29 inHg = 982.05281 hPa
  • 29.92 inHg = 1,013.2076 hPa
  • 30 inHg = 1,015.9167 hPa
  • 31 inHg = 1,049.7806 hPa

Popular pressure converters

PSI to BarBar to PSIkPa to PSIPSI to kPaATM to PSIPSI to ATMBar to kPakPa to BarmmHg to kPaMPa to PSI

How to Use the inHg to hPa Converter

  1. Type a value in the From box and choose its unit.
  2. Pick the unit you want in the To list — the result updates as you type.
  3. Use the swap button to reverse the conversion, or type in the To box to convert backwards.
  4. Check the All conversions table to see your value in every unit; click a row to make it the target.

Frequently Asked Questions

How many hectopascals are in an inch mercury (32°F)?

There are 33.86389 hectopascals in 1 inch mercury (32°F). Going the other way, 1 hectopascal = 0.02952998016 inches of mercury (32°F).

How do I convert inHg to hPa?

Use the formula hectopascals = inches of mercury (32°F) × 33.86389. For example, 1 inch mercury (32°F) = 33.86389 hectopascals. Or type the value in the converter above and the answer appears as you type.

What is the inHg to hPa formula?

hectopascals = inches of mercury (32°F) × 33.86389 — the conversion factor is exact, using the international definitions of both units.

What is 28 inHg in hPa?

28 inHg = 948.18892 hPa.

What is 29 inHg in hPa?

29 inHg = 982.05281 hPa.

What is 29.92 inHg in hPa?

29.92 inHg = 1,013.2076 hPa.

What is 30 inHg in hPa?

30 inHg = 1,015.9167 hPa.

What is 31 inHg in hPa?

31 inHg = 1,049.7806 hPa.

Is this inHg to hPa converter accurate?

Yes. It uses exact unit definitions and double-precision maths, and you can show up to 15 significant digits. The table below is calculated with the same formula.

Can I convert inHg to other pressure units?

Yes — pick any unit in the From and To lists above, or open the full Pressure Converter, which handles 52 pressure units.

Is the inHg to hPa converter free?

Yes, it is free with no sign-up, and every conversion runs in your browser so nothing is sent to a server.