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Ksi to Kilopascal Converter

Enter the value that you want to convert ksi to kilopascal (kPa) or kilopascal to ksi.

1 ksi = 6894.7572932 kilopascal

Formula: kilopascal = ksi value × 6894.7572932

ksi to kilopascal

ksi
68947.57293kPa

10 ksi = 68947.57293 kilopascal

Popular Pressure Converters:

bar to psipsi to barpsi to kpakpa to psi

Why Convert Ksi to Kilopascal?

The Ksi in Engineering

Ksi (ksi) is a unit of pressure measurement. 1 ksi is equal to 6894.7572932 kilopascal.

The Kilopascal in Engineering

Kilopascal (kPa) is a unit of pressure measurement. 1 kilopascal is equal to 0.0001450 ksi.

Pressure Units Across Industries

Pressure measurements vary dramatically by industry. Meteorologists report in millibars or hectopascals, tire shops use PSI, scuba divers think in atmospheres or bar, vacuum engineers work in torr, and hydraulic systems specify in megapascals. A single industrial plant might encounter all these units across different equipment manuals, safety datasheets, and regulatory standards from different countries.

ksi to kilopascal metric conversion table

0.01 ksi=68.94757 kPa
0.1 ksi=689.47573 kPa
1 ksi=6894.75729 kPa
2 ksi=13789.51459 kPa
3 ksi=20684.27188 kPa
4 ksi=27579.02917 kPa
5 ksi=34473.78647 kPa
6 ksi=41368.54376 kPa
7 ksi=48263.30105 kPa
8 ksi=55158.05835 kPa
9 ksi=62052.81564 kPa
10 ksi=68947.57293 kPa
11 ksi=75842.33023 kPa
12 ksi=82737.08752 kPa
13 ksi=89631.84481 kPa
14 ksi=96526.60210 kPa
15 ksi=103421.35940 kPa
16 ksi=110316.11669 kPa
17 ksi=117210.87398 kPa
18 ksi=124105.63128 kPa
19 ksi=131000.38857 kPa
20 ksi=137895.14586 kPa
30 ksi=206842.71880 kPa
40 ksi=275790.29173 kPa
50 ksi=344737.86466 kPa
60 ksi=413685.43759 kPa
70 ksi=482633.01052 kPa
80 ksi=551580.58346 kPa
90 ksi=620528.15639 kPa
100 ksi=689475.72932 kPa
200 ksi=1378951.45864 kPa
300 ksi=2068427.18796 kPa
400 ksi=2757902.91728 kPa
500 ksi=3447378.64660 kPa
600 ksi=4136854.37592 kPa
700 ksi=4826330.10524 kPa
800 ksi=5515805.83456 kPa
900 ksi=6205281.56388 kPa
1000 ksi=6894757.29320 kPa

How to Convert Ksi to Kilopascal?

We can convert ksi to kilopascal by using an example.

Example:

Convert 20 Ksi to Kilopascal?

We know 1 Ksi = 6894.7572932 kilopascal; 1 Kilopascal = 0.0001450 ksi.

20 ksi = ___kPa

20 × 6894.7572932 = 137895.14586 kPa (we know 1 ksi = 6894.7572932 kilopascal)

Answer:

20 ksi = 137895.14586 kilopascal

How to Convert ksi to kPa (Step-by-Step)

Converting ksi to kilopascals (kPa) is needed when comparing US structural steel data with metric engineering specifications used in Australian, Asian, and Canadian codes. The conversion factor is 1 ksi = 6894.76 kPa.

  1. Write down the stress value in ksi.
  2. Multiply the ksi value by 6894.76.
  3. The result is the equivalent stress in kilopascals (kPa).
  4. For most structural applications, divide by 1000 to express in MPa instead.
💡 Tip: Key reference: 1 ksi = 6894.76 kPa ≈ 6.895 MPa. Since structural stresses are large, the kPa values become unwieldy (36 ksi = 248,211 kPa). Most engineers prefer the MPa equivalent, but geotechnical reports and some pressure vessel codes still use kPa.

Common ksi to kPa Conversions

US structural values converted to metric kPa for international code compliance.

KsiKilopascal
1 ksi6,895 kPa
5 ksi34,474 kPa
10 ksi68,948 kPa
36 ksi248,211 kPa
50 ksi344,738 kPa
60 ksi413,686 kPa
100 ksi689,476 kPa

Solved Examples: ksi to kPa

Question 1: A Canadian building code requires material strength in kPa. Convert A572 Grade 50 steel (50 ksi yield) to kPa.

Solution:

Stress in kPa = Stress in ksi × 6894.76

= 50 × 6894.76

= 344,738 kPa

Answer: 50 ksi = 344,738 kPa (or 344.7 MPa) — meeting CSA G40.21 Grade 350W requirements.

Question 2: A soil nail design uses a steel bar with 75 ksi yield. Express in kPa for the geotechnical report.

Solution:

Stress in kPa = 75 × 6894.76

= 517,107 kPa

Answer: 75 ksi = 517,107 kPa = 517.1 MPa — typical for Grade 75 threaded bars.

Question 3: A pressure vessel material has allowable stress of 20 ksi. Convert to kPa.

Solution:

Stress in kPa = 20 × 6894.76

= 137,895 kPa

Answer: 20 ksi = 137,895 kPa ≈ 137.9 MPa — a common allowable for carbon steel vessels.

Practice Questions: ksi to kPa

Try solving these on your own to test your understanding:

  1. Convert 36 ksi to kPa. (Answer: 248,211 kPa)
  2. A bolt has 92 ksi proof load. Express in kPa. (Answer: 634,318 kPa)
  3. Convert 4 ksi concrete strength to kPa. (Answer: 27,579 kPa)
  4. A weld metal has 70 ksi tensile. What is this in kPa? (Answer: 482,633 kPa)
  5. Convert 150 ksi prestressing strand to kPa. (Answer: 1,034,214 kPa)

Geotechnical Interface: Soil vs Steel in kPa

Geotechnical reports express soil properties in kPa (bearing capacity 100-500 kPa, cohesion 10-100 kPa), while the steel elements embedded in soil (piles, soil nails, anchors) have strengths in ksi. Converting steel yield to kPa shows the enormous mismatch: 50 ksi steel yield (344,738 kPa) versus 200 kPa soil bearing means the steel is ~1700× stronger. This ratio explains why structural failure in foundations is almost always a soil capacity problem, not a steel strength problem.

Australian and Canadian Codes: kPa in Structural Design

While most structural codes use MPa for material strength, some load specifications and geotechnical requirements appear in kPa. Australian Standard AS 4100 specifies steel in MPa, but AS 2159 (piling) mixes kPa for soil and MPa for steel. Canadian codes (CSA S16, A23.3) similarly use MPa for materials but kPa for pressures and bearing values. Engineers working across these codes need fluent conversion between ksi (US source data) and kPa/MPa (metric destination).

Key Takeaways

  • Multiply ksi by 6894.76 to get kPa.
  • 1 ksi = 6894.76 kPa = 6.895 MPa.
  • Structural steel values in kPa are very large (248,000+ kPa for A36).
  • Most engineers prefer MPa (÷1000 from kPa) for structural calculations.
  • Geotechnical reports use kPa, creating a unit mismatch with steel data in ksi.
  • Canadian and Australian codes may require kPa for certain calculations.

Ksi to Kilopascal Conversion Formula

kilopascal = ksi × 6894.7572932

1 ksi = 6894.7572932 kilopascal

1 kilopascal = 0.0001450 ksi

Reverse: ksi = kilopascal × 0.0001450

Frequently Asked Questions

How many kilopascal are in 1 ksi?

There are 6894.7572932 kilopascal in 1 ksi. To convert ksi to kilopascal, multiply the value by 6894.7572932.

How do I convert ksi to kilopascal?

Multiply your ksi value by 6894.7572932 to get the equivalent in kilopascal. For example, 5 ksi = 5 × 6894.7572932 = 34473.78647 kilopascal.

How do I convert kilopascal to ksi?

Multiply your kilopascal value by 0.0001450 to get the equivalent in ksi. Alternatively, divide by 6894.7572932.

What is 10 ksi in kilopascal?

10 ksi is equal to 68947.57293 kilopascal.

What is 100 ksi in kilopascal?

100 ksi is equal to 689475.72932 kilopascal.