Convert KPa to Pascals (Pa)

1 kPa equals 1000 pascals.

Formula: Pa = kPa × 1000

KPa to Pascal Converter

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How to Convert KPa to Pascal

1 kPa = 1000 pascals

Pascal = KPa × 1000

Example: 1 kPa × 1000 = 1000 Pa

Reverse Conversion

To convert pascals back to kPa:

  • Remember, 1 pascal equals 0.001 kPa.
  • To convert 1000 Pa to kPa, multiply 1000 x 0.001, resulting in 1 kPa.

Common KPa to Pascal Conversions

KPa to Pascal (Part 1)
KPa Pascal Actions
1 kPa 1000 pascals
5 kPa 5000 pascals
10 kPa 10000 pascals
25 kPa 25000 pascals
KPa to Pascal (Part 2)
KPa Pascal Actions
50 kPa 50000 pascals
100 kPa 100000 pascals
500 kPa 500000 pascals
1000 kPa 1000000 pascals

KPa to pascals Conversion Table

Reference table with common kpa to pascals conversions. All values calculated with high precision.

KPa to Pascals Table
0.0001 to 12

KPa Pascals Actions
0.0001 kPa 0.1 Pa
0.00025 kPa 14 Pa
0.0005 kPa 12 Pa
0.001 kPa 1 Pa
0.0025 kPa 2 12 Pa
0.005 kPa 5 Pa
0.01 kPa 10 Pa
0.025 kPa 25 Pa
0.05 kPa 50 Pa
0.1 kPa 100 Pa
14 kPa 250 Pa
12 kPa 500 Pa

KPa to Pascals Table
1 to 100000

KPa Pascals Actions
1 kPa 1000 Pa
2 12 kPa 2500 Pa
5 kPa 5000 Pa
10 kPa 10000 Pa
25 kPa 25000 Pa
50 kPa 50000 Pa
100 kPa 100000 Pa
250 kPa 250000 Pa
500 kPa 500000 Pa
1000 kPa 1000000 Pa
2500 kPa 2500000 Pa
5000 kPa 5000000 Pa
10000 kPa 10000000 Pa
25000 kPa 2.5 × 107 Pa
50000 kPa 5 × 107 Pa
100000 kPa 1 × 108 Pa

Pascals to KPa Table
0.1 to 500

Pascals KPa Actions
0.1 Pa 0.0001 kPa
14 Pa 0.00025 kPa
12 Pa 0.0005 kPa
1 Pa 0.001 kPa
2 12 Pa 0.0025 kPa
5 Pa 0.005 kPa
10 Pa 0.01 kPa
25 Pa 0.025 kPa
50 Pa 0.05 kPa
100 Pa 0.1 kPa
250 Pa 14 kPa
500 Pa 12 kPa

Pascals to KPa Table
1000 to 1 × 108

Pascals KPa Actions
1000 Pa 1 kPa
2500 Pa 2 12 kPa
5000 Pa 5 kPa
10000 Pa 10 kPa
25000 Pa 25 kPa
50000 Pa 50 kPa
100000 Pa 100 kPa
250000 Pa 250 kPa
500000 Pa 500 kPa
1000000 Pa 1000 kPa
2500000 Pa 2500 kPa
5000000 Pa 5000 kPa
10000000 Pa 10000 kPa
2.5 × 107 Pa 25000 kPa
5 × 107 Pa 50000 kPa
1 × 108 Pa 100000 kPa

Definition of KPa

Kilopascal: A Practical SI Pressure Unit

The kilopascal (kPa) is an SI-derived unit of pressure equal to 1,000 pascals. It provides a more practical scale than the pascal for many everyday and industrial applications. The kilopascal is commonly used for tire pressure specifications (especially outside North America), blood pressure measurements in some countries, and weather reports in metric countries.

Conversions to Other Units of Measurement:

  1. Pascal (Pa): 1 kilopascal equals exactly 1,000 pascals. This is the fundamental relationship. For example, atmospheric pressure (101.325 kPa) equals 101,325 Pa.
  2. Bar: 1 kilopascal equals exactly 0.01 bar. This simple conversion makes kPa convenient for calculations. For example, 250 kPa equals 2.5 bar.
  3. PSI: 1 kilopascal equals approximately 0.145038 psi. This conversion is important for automotive applications. For example, a tire specification of 220 kPa equals approximately 32 psi.
  4. Atmosphere (atm): 1 kilopascal equals approximately 0.00986923 atm. Standard atmospheric pressure equals 101.325 kPa.
  5. Millibar (mbar): 1 kilopascal equals exactly 10 millibar. This conversion is used in meteorology.

The kilopascal offers a good balance between the small pascal and larger units, making it ideal for many practical pressure measurements.

Definition
SI-derived pressure unit equal to 1,000 pascals (10³ Pa).
Exact factor
1 kPa = 1,000 Pa (exact);  1 kPa = 0.01 bar (exact)
Common equivalents
  • 1 kPa = 10 mbar (exact)
  • 1 kPa ≈ 0.145038 psi
  • 101.325 kPa = 1 atm (exact)
Sources

Definition of Pascal

Pascal: The SI Unit of Pressure

The pascal (Pa) is the SI derived unit of pressure, defined as one newton per square meter (N/m²). Named after the French mathematician and physicist Blaise Pascal, it is used extensively in scientific, engineering, and meteorological applications. The pascal is a relatively small unit, so larger multiples like kilopascal (kPa) and megapascal (MPa) are commonly used in practice.

Conversions to Other Units of Measurement:

  1. Bar: 1 pascal equals 0.00001 bar (or 1 bar = 100,000 Pa). This conversion is frequently used in industrial applications. For example, standard atmospheric pressure (101,325 Pa) equals approximately 1.01325 bar.
  2. PSI (Pound per Square Inch): 1 pascal equals approximately 0.000145038 psi. This conversion is essential for interfacing with equipment using imperial measurements. For example, 100,000 Pa equals approximately 14.5 psi.
  3. Atmosphere (atm): 1 pascal equals approximately 9.8692×10⁻⁶ atm. Standard atmospheric pressure is defined as exactly 101,325 Pa or 1 atm.
  4. Torr: 1 pascal equals approximately 0.00750062 torr. This conversion is commonly used in vacuum technology. For example, 133.322 Pa equals 1 torr.
  5. Millibar (mbar): 1 pascal equals 0.01 millibar. This conversion is frequently used in meteorology. For example, standard atmospheric pressure equals 1013.25 mbar.

The pascal is fundamental to pressure measurement, providing a standardized unit for scientific calculations and engineering specifications.

Definition
SI derived unit of pressure equal to one newton per square meter (N/m²).
Exact factor
1 Pa = 1 N/m² = 1 kg/(m·s²) (exact)
Common equivalents
  • 1 Pa = 0.00001 bar (exact)
  • 1 Pa = 0.01 mbar (exact)
  • 1 Pa ≈ 0.000145038 psi
Sources

About the KPa

Facts & Uses

  • 1 kPa = 1000 Pa exactly. The most practical metric unit for everyday pressures: tire pressure, blood pressure, weather, and engineering.
  • Standard for tire pressure in metric markets — typical car tire is 200-250 kPa (≈ 30-36 psi).
  • Blood pressure can be expressed in kPa: 16/10.7 kPa ≈ 120/80 mmHg (the international SI standard, though clinicians still prefer mmHg).
  • Weather: standard atmospheric pressure is 101.325 kPa; storm warnings often start below 100 kPa at sea level.

Curiosities

  • Kilopascals are preferred over hectopascals in engineering and tire-pressure contexts because the round numbers are more intuitive (250 kPa vs 2500 hPa).
  • The kilopascal replaced the kilogram-force per square centimeter (kgf/cm²) in most international standards after metrication in the 1970s-80s.
  • A 10 kPa pressure differential is roughly the suction force of a typical household vacuum cleaner.
  • Approximate equivalents: 100 kPa ≈ 14.5 psi ≈ 0.987 atm ≈ 750 mmHg.

Sources

About the Pascal

Facts & Uses

  • SI derived unit of pressure: 1 Pa = 1 N/m². Named after Blaise Pascal (1623-1662), the French mathematician and physicist.
  • Universal in scientific publications, weather data (hectopascals on barometric charts), and engineering specifications.
  • The pascal is a very small unit for everyday pressures — atmospheric pressure is ~101,325 Pa, so weather forecasts use hectopascals (hPa) or kilopascals (kPa).
  • Used in fluid mechanics, vacuum measurements, materials science (stress and strain), and tire pressure in metric markets.

Curiosities

  • The pascal was adopted as the SI unit of pressure at the 14th CGPM in 1971, replacing the older mechanical units like dyne/cm² (CGS) and lbf/in² (imperial).
  • 1 Pa is roughly the pressure exerted by a thin layer of paper resting on a tabletop — about 0.0000099 atmospheres.
  • The millibar (mbar), traditionally used in meteorology, equals exactly 1 hPa (100 Pa). Most modern weather services have switched to hPa for SI compatibility.
  • Approximate equivalents: 1 Pa ≈ 0.000145 psi; 1 atm = 101,325 Pa = 1013.25 hPa = 14.696 psi.

Sources

Frequently Asked Questions

How many pascals are in one kPa?

One kPa equals 1000 pascals. To convert, multiply the kPa value by 1000. For the reverse, divide the pascal value by 1000 (or multiply by 0.001).

What is 100 kPa in pascals?

100 kPa = 100000 pascals. This is one of the most commonly searched conversions for this pair.

Is the kPa-to-pascal conversion exact?

Yes. The factor 1000 is exact by international definition, not an approximation. Any imprecision comes only from the original measurement, not the conversion.

Looking for the reverse? Convert Pascal to KPa

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Conversion factors verified against NIST, BIPM, ISO 80000-4 1 atm = 101 325 Pa by definition (BIPM). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.