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Convert Pascals to Kilopounds per Square Inch

Instantly convert Pascals (Pa) to Kilopounds per Square Inch (ksi) with our free online calculator.

Reviewed by Christopher FloiedUpdated

Formula: Pa to ksimultiply by 1.4504e-7

Reference Table

Pascals (Pa)Kilopounds per Square Inch (ksi)
11.450377e-7
57.251884e-7
100.00000145038
250.00000362594
500.00000725188
1000.0000145038

How to Convert Pascals to Kilopounds per Square Inch

Formula

To convert Pascals (Pa) to Kilopounds per Square Inch (ksi): multiply by 1.4504e-7

Step-by-Step

  1. Start with your value in Pascals (Pa).
  2. Multiply by 1.4504e-7 to perform the conversion.
  3. The result is your value expressed in Kilopounds per Square Inch (ksi).

Conversion Factor

1 Pa = 1.450377e-7 ksi

Reverse Factor

1 ksi = 6894760 Pa

Worked Example

Convert 25 Pascals to Kilopounds per Square Inch: 25 Pa = 0.00000362594 ksi

About Pascal (Pa)

The SI derived unit of pressure (and stress), formally defined as one newton per square meter (N/m²) by ISO 80000-4. Named for 17th-century French mathematician Blaise Pascal, whose 1647-48 Puy-de-Dôme experiment established that atmospheric pressure decreases with altitude. The pascal is a small unit — standard sea-level atmospheric pressure is exactly 101,325 Pa per the BIPM SI Brochure — so working engineering and meteorology use multiples: kilopascals (kPa) for everyday gauge pressures, megapascals (MPa) for material strength, hectopascals (hPa) for barometric readings (1 kPa = 10 hPa). The pascal is the universal SI reference for pressure across scientific publication (Physical Review, J. Fluid Mechanics), thermodynamic state tables (NIST REFPROP), and international engineering codes (ASME, EN, JIS). Converting Pa to psi is a divide-by-6894.76; Pa to bar is divide-by-100,000.

About Kilopound per Square Inch (ksi)

An imperial unit of pressure equal to exactly 1,000 psi (≈ 6.895 MPa). KSI is the standard US unit for reporting material strength: structural-steel yield (A36 = 36 ksi, A992 W-shapes = 50 ksi, A572-Gr50 plate = 50 ksi, A514 quenched-tempered = 100 ksi), bolt-grade tensile strength (SAE Grade 5 = 120 ksi, Grade 8 = 150 ksi, ASTM A325 = 105-120 ksi, A490 = 150 ksi), aluminum aerospace alloys (7075-T6 ultimate = ~83 ksi), and the S-N fatigue curves in MMPDS / ASME Section VIII Division 3. US structural codes (AISC Steel Construction Manual, AASHTO LRFD Bridge Design), aerospace stress reports, and oil-and-gas casing specifications (API 5CT) all express allowables and yield in ksi. When cross-referencing US alloys against international material databases (typically MPa), the conversion ksi × 6.895 → MPa is essentially universal.

Quick Facts

  • 1 Pascal equals 1.450377e-7 Kilopounds per Square Inch
  • 1 Kilopound per Square Inch equals 6894760 Pascals
  • Pascal is a unit of pressure
  • Kilopound per Square Inch is a unit of pressure
  • This conversion is commonly used in tire inflation, weather reporting, scuba diving, and engineering
  • The Pascal belongs to the metric system
  • The Kilopound per Square Inch belongs to the imperial system

Common Pascal to Kilopound per Square Inch Conversions

Pascals (Pa)Kilopounds per Square Inch (ksi)
0.11.450377e-8
0.57.251884e-8
11.450377e-7
22.900754e-7
57.251884e-7
100.00000145038
14.6960.00000213147
150.00000217557
200.00000290075
250.00000362594
500.00000725188
1000.0000145038
1500.0000217557
2000.0000290075
5000.0000725188
10000.000145038

Understanding Pascals

The Pascal (symbol: Pa) is a unit of pressure. The SI derived unit of pressure (and stress), formally defined as one newton per square meter (N/m²) by ISO 80000-4. Named for 17th-century French mathematician Blaise Pascal, whose 1647-48 Puy-de-Dôme experiment established that atmospheric pressure decreases with altitude. The pascal is a small unit — standard sea-level atmospheric pressure is exactly 101,325 Pa per the BIPM SI Brochure — so working engineering and meteorology use multiples: kilopascals (kPa) for everyday gauge pressures, megapascals (MPa) for material strength, hectopascals (hPa) for barometric readings (1 kPa = 10 hPa). The pascal is the universal SI reference for pressure across scientific publication (Physical Review, J. Fluid Mechanics), thermodynamic state tables (NIST REFPROP), and international engineering codes (ASME, EN, JIS). Converting Pa to psi is a divide-by-6894.76; Pa to bar is divide-by-100,000.

It belongs to the metric measurement system.

Pascals are commonly used in tire inflation, weather reporting, scuba diving, and engineering.

Understanding Kilopounds per Square Inch

The Kilopound per Square Inch (symbol: ksi) is a unit of pressure. An imperial unit of pressure equal to exactly 1,000 psi (≈ 6.895 MPa). KSI is the standard US unit for reporting material strength: structural-steel yield (A36 = 36 ksi, A992 W-shapes = 50 ksi, A572-Gr50 plate = 50 ksi, A514 quenched-tempered = 100 ksi), bolt-grade tensile strength (SAE Grade 5 = 120 ksi, Grade 8 = 150 ksi, ASTM A325 = 105-120 ksi, A490 = 150 ksi), aluminum aerospace alloys (7075-T6 ultimate = ~83 ksi), and the S-N fatigue curves in MMPDS / ASME Section VIII Division 3. US structural codes (AISC Steel Construction Manual, AASHTO LRFD Bridge Design), aerospace stress reports, and oil-and-gas casing specifications (API 5CT) all express allowables and yield in ksi. When cross-referencing US alloys against international material databases (typically MPa), the conversion ksi × 6.895 → MPa is essentially universal.

It belongs to the imperial measurement system.

Kilopounds per Square Inch are commonly used in tire inflation, weather reporting, scuba diving, and engineering.

Why Convert Pascals to Kilopounds per Square Inch?

Engineers, mechanics, and scientists frequently need to convert pressure between Pascals and Kilopounds per Square Inch when working with different measurement standards. Tire pressure, blood pressure readings, weather barometric measurements, and industrial process specifications may all use different pressure units depending on the region or discipline. Reliable conversion prevents equipment misuse and ensures safety.

Frequently Asked Questions

How do I convert Pascals to Kilopounds per Square Inch?

The SI derived unit of pressure (and stress), formally defined as one newton per square meter (N/m²) by ISO 80000-4. To convert Pascals to Kilopounds per Square Inch, multiply by 1.4504e-7. For example, 25 Pa equals 0.00000362594 ksi.

How many Kilopounds per Square Inch are in 1 Pascal?

There are 1.450377e-7 Kilopounds per Square Inch in 1 Pascal.

How many Pascals are in 1 Kilopound per Square Inch?

There are 6894760 Pascals in 1 Kilopound per Square Inch.

What is the formula for Pascal to Kilopound per Square Inch conversion?

The formula is: multiply by 1.4504e-7. This means 1 Pa = 1.450377e-7 ksi.

Is a Pascal bigger than a Kilopound per Square Inch?

Yes. One Pascal is larger than one Kilopound per Square Inch because 1 Pa equals 1.450377e-7 ksi, which is less than 1.

When do you need to convert between Pascals and Kilopounds per Square Inch?

An imperial unit of pressure equal to exactly 1,000 psi (≈ 6. Pascal and Kilopound per Square Inch are both pressure units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.

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