Hectopascal is 100 pascal units.
Hectopascals to Kilopascals Converter — hPa to kPa
Convert Hectopascal (hPa) to Kilopascal (kPa) using the exact conversion factor (1 hectopascal = 0.1 kilopascal). See the formula, worked examples, and conversion table.
Hectopascals to Kilopascals converter
Converter
Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
Context values
Some unit families need one extra value for a physically accurate result.
Kilopascal is 1000 pascal units.
Result = input x 100 / 1000.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Hectopascals to Kilopascals
Hectopascal and Kilopascal both measure a quantity used in structural or mechanical engineering — commonly stress, pressure, force, torque, power, or energy — where converting between the unit conventions used in different regions, industries, or equipment specifications is a routine part of design work. Specifically: Hectopascal is 100 pascal units, and kilopascal is 1000 pascal units.
Formula
kilopascals = hectopascals × 0.1
This factor comes from each unit's defined relationship to the category's base unit: 1 hectopascal equals 100 base units, and 1 kilopascal equals 1000 base units, so dividing one by the other gives the direct hectopascal-to-kilopascal factor of 0.1.
Simple example
1 hPa × 0.1 = 0.1 kPa
1 hectopascal = 0.1 kilopascals.
Real-world example
100 hPa × 0.1 = 10 kPa
100 hectopascals = 10 kilopascals.
Conversion table
| Hectopascal (hPa) | Kilopascal (kPa) |
|---|---|
| 1 hPa | 0.1 kPa |
| 10 hPa | 1 kPa |
| 50 hPa | 5 kPa |
| 100 hPa | 10 kPa |
| 500 hPa | 50 kPa |
| 1,000 hPa | 100 kPa |
Reverse conversion: Kilopascal to Hectopascal
0.1 kPa × 10 = 1 hPa
0.1 kilopascals = 1 hectopascal.
hectopascals = kilopascals × 10
For a page dedicated to this direction, see Kilopascal to Hectopascal.
Understanding the Hectopascal (hPa)
Hectopascal is 100 pascal units.
Understanding the Kilopascal (kPa)
Kilopascal is 1000 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilopascals are in 1 hectopascal?
1 hectopascal equals 0.1 kilopascals, using the exact defined conversion factor rather than an estimate.
How do I convert hectopascal to kilopascal?
Multiply the hectopascal value by 0.1. The converter above does this instantly to whatever precision you set.
How do I convert kilopascal back to hectopascal?
Use the reverse factor: 1 kilopascal equals 10 hectopascals. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectopascal?
Hectopascal (hPa) is a unit of engineering.
What is a kilopascal?
Kilopascal (kPa) is a unit of engineering.
Is the hectopascal to kilopascal conversion exact?
Yes. Both hectopascal and kilopascal are defined by fixed standards rather than physical artifacts, so the factor of 0.1 used above is exact to as many digits as you choose to display.
Why do engineering unit conventions vary so much by region and industry?
Pressure, force, and stress can be expressed in metric (pascal, newton), US customary (psi, pound-force), or older and industry-specific units (atmosphere, torr, kip) depending on the country, industry, and even the equipment manufacturer, which is why engineers routinely need to convert between them when working across specs from different sources.