• ksi   inHg
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Rounding Mode:

The kilopound per square inch (ksi) is a unit of pressure that is not as commonly encountered as its smaller counterpart, pounds per square inch (psi). However, it plays a crucial role in engineering and materials science, particularly in the United States, where it is often used to express the tensile strength and yield strength of materials like steel. One ksi is equal to 1,000 psi, making it a convenient way to express large values of pressure or stress without cumbersome zeros.

Interestingly, ksi is commonly used in the context of measuring the mechanical properties of metals, especially in aerospace and automotive industries. These are fields where precise and robust materials are essential for safety and performance. For instance, typical structural steel can have a yield strength on the order of 50 ksi, underscoring the immense stress materials can withstand in such applications. Understanding these units helps engineers ensure that the materials used can handle the demanding conditions they face.

Did you know?

The “inch of mercury” (inHg) is a unit of pressure commonly used in aviation, meteorology, and refrigeration. It originates from the barometric pressure measurement practice using a column of mercury. This unit became a staple due to its early adoption in weather forecasting and its accurate and consistent measurements. An interesting fact is that an inch of mercury is approximately equal to 33.86 millibars or 3386 Pascals, but what truly distinguishes it is its historical significance in the development of modern atmospheric science.

In the 17th century, Evangelista Torricelli, a student of Galileo, first discovered that atmospheric pressure could sustain a column of mercury, laying the groundwork for this unit. His invention, the barometer, revolutionized how we understand and predict weather, marking the inch of mercury as more than just a unit—it’s a nod to the evolution of scientific inquiry and practice.

> Kilopound per inch² to Inches of mercury Conversion Table

Kilopound per square inch Inches of mercury
0 ksi 0 inHg
0.1 ksi 203.60213 inHg
0.2 ksi 407.20426 inHg
0.3 ksi 610.80639 inHg
0.4 ksi 814.40852 inHg
0.5 ksi 1018.01064 inHg
0.6 ksi 1221.61277 inHg
0.7 ksi 1425.2149 inHg
0.8 ksi 1628.81703 inHg
0.9 ksi 1832.41916 inHg
1 ksi 2036.02129 inHg
1.1 ksi 2239.62342 inHg
1.2 ksi 2443.22555 inHg
1.3 ksi 2646.82768 inHg
1.4 ksi 2850.4298 inHg
1.5 ksi 3054.03193 inHg
1.6 ksi 3257.63406 inHg
1.7 ksi 3461.23619 inHg
1.8 ksi 3664.83832 inHg
1.9 ksi 3868.44045 inHg
2 ksi 4072.04258 inHg
2.1 ksi 4275.64471 inHg
2.2 ksi 4479.24684 inHg
2.3 ksi 4682.84896 inHg
2.4 ksi 4886.45109 inHg
2.5 ksi 5090.05322 inHg
2.6 ksi 5293.65535 inHg
2.7 ksi 5497.25748 inHg
2.8 ksi 5700.85961 inHg
2.9 ksi 5904.46174 inHg
3 ksi 6108.06387 inHg
3.1 ksi 6311.66599 inHg
3.2 ksi 6515.26812 inHg
3.3 ksi 6718.87025 inHg
3.4 ksi 6922.47238 inHg
3.5 ksi 7126.07451 inHg
3.6 ksi 7329.67664 inHg
3.7 ksi 7533.27877 inHg
3.8 ksi 7736.8809 inHg
3.9 ksi 7940.48303 inHg
4 ksi 8144.08515 inHg
4.1 ksi 8347.68728 inHg
4.2 ksi 8551.28941 inHg
4.3 ksi 8754.89154 inHg
4.4 ksi 8958.49367 inHg
4.5 ksi 9162.0958 inHg
4.6 ksi 9365.69793 inHg
4.7 ksi 9569.30006 inHg
4.8 ksi 9772.90219 inHg
4.9 ksi 9976.50431 inHg
5 ksi 10180.10644 inHg
5.1 ksi 10383.70857 inHg
5.2 ksi 10587.3107 inHg
5.3 ksi 10790.91283 inHg
5.4 ksi 10994.51496 inHg
5.5 ksi 11198.11709 inHg
5.6 ksi 11401.71922 inHg
5.7 ksi 11605.32135 inHg
5.8 ksi 11808.92347 inHg
5.9 ksi 12012.5256 inHg
6 ksi 12216.12773 inHg
6.1 ksi 12419.72986 inHg
6.2 ksi 12623.33199 inHg
6.3 ksi 12826.93412 inHg
6.4 ksi 13030.53625 inHg
6.5 ksi 13234.13838 inHg
6.6 ksi 13437.74051 inHg
6.7 ksi 13641.34263 inHg
6.8 ksi 13844.94476 inHg
6.9 ksi 14048.54689 inHg
7 ksi 14252.14902 inHg
7.1 ksi 14455.75115 inHg
7.2 ksi 14659.35328 inHg
7.3 ksi 14862.95541 inHg
7.4 ksi 15066.55754 inHg
7.5 ksi 15270.15966 inHg
7.6 ksi 15473.76179 inHg
7.7 ksi 15677.36392 inHg
7.8 ksi 15880.96605 inHg
7.9 ksi 16084.56818 inHg
8 ksi 16288.17031 inHg
8.1 ksi 16491.77244 inHg
8.2 ksi 16695.37457 inHg
8.3 ksi 16898.9767 inHg
8.4 ksi 17102.57882 inHg
8.5 ksi 17306.18095 inHg
8.6 ksi 17509.78308 inHg
8.7 ksi 17713.38521 inHg
8.8 ksi 17916.98734 inHg
8.9 ksi 18120.58947 inHg
9 ksi 18324.1916 inHg
9.1 ksi 18527.79373 inHg
9.2 ksi 18731.39586 inHg
9.3 ksi 18934.99798 inHg
9.4 ksi 19138.60011 inHg
9.5 ksi 19342.20224 inHg
9.6 ksi 19545.80437 inHg
9.7 ksi 19749.4065 inHg
9.8 ksi 19953.00863 inHg
9.9 ksi 20156.61076 inHg
10 ksi 20360.21289 inHg