Megapascals to Kilopounds per Square Inch (MPa → ksi)
Formula
1 MPa = 0.1450377438972831 ksiConversion Table
| MPa | ksi |
|---|---|
| 0 | 0 |
| 1.0000 | 0.14504 |
| 2.0000 | 0.29008 |
| 3.0000 | 0.43511 |
| 4.0000 | 0.58015 |
| 5.0000 | 0.72519 |
| 6.0000 | 0.87023 |
| 7.0000 | 1.0153 |
| 8.0000 | 1.1603 |
| 9.0000 | 1.3053 |
| 10.000 | 1.4504 |
| 11.000 | 1.5954 |
| 12.000 | 1.7405 |
| 13.000 | 1.8855 |
| 14.000 | 2.0305 |
| 15.000 | 2.1756 |
| 16.000 | 2.3206 |
| 17.000 | 2.4656 |
| 18.000 | 2.6107 |
| 19.000 | 2.7557 |
| MPa | ksi |
|---|---|
| 20.000 | 2.9008 |
| 21.000 | 3.0458 |
| 22.000 | 3.1908 |
| 23.000 | 3.3359 |
| 24.000 | 3.4809 |
| 25.000 | 3.6259 |
| 26.000 | 3.7710 |
| 27.000 | 3.9160 |
| 28.000 | 4.0611 |
| 29.000 | 4.2061 |
| 30.000 | 4.3511 |
| 31.000 | 4.4962 |
| 32.000 | 4.6412 |
| 33.000 | 4.7862 |
| 34.000 | 4.9313 |
| 35.000 | 5.0763 |
| 36.000 | 5.2214 |
| 37.000 | 5.3664 |
| 38.000 | 5.5114 |
| 39.000 | 5.6565 |
| MPa | ksi |
|---|---|
| 40.000 | 5.8015 |
| 41.000 | 5.9465 |
| 42.000 | 6.0916 |
| 43.000 | 6.2366 |
| 44.000 | 6.3817 |
| 45.000 | 6.5267 |
| 46.000 | 6.6717 |
| 47.000 | 6.8168 |
| 48.000 | 6.9618 |
| 49.000 | 7.1068 |
| 50.000 | 7.2519 |
| 51.000 | 7.3969 |
| 52.000 | 7.5420 |
| 53.000 | 7.6870 |
| 54.000 | 7.8320 |
| 55.000 | 7.9771 |
| 56.000 | 8.1221 |
| 57.000 | 8.2672 |
| 58.000 | 8.4122 |
| 59.000 | 8.5572 |
| MPa | ksi |
|---|---|
| 60.000 | 8.7023 |
| 61.000 | 8.8473 |
| 62.000 | 8.9923 |
| 63.000 | 9.1374 |
| 64.000 | 9.2824 |
| 65.000 | 9.4275 |
| 66.000 | 9.5725 |
| 67.000 | 9.7175 |
| 68.000 | 9.8626 |
| 69.000 | 10.008 |
| 70.000 | 10.153 |
| 71.000 | 10.298 |
| 72.000 | 10.443 |
| 73.000 | 10.588 |
| 74.000 | 10.733 |
| 75.000 | 10.878 |
| 76.000 | 11.023 |
| 77.000 | 11.168 |
| 78.000 | 11.313 |
| 79.000 | 11.458 |
Megapascals to Kilopounds per Square Inch Conversion
Converting Megapascals (MPa) to Kilopounds per Square Inch (ksi) is a common pressure conversion. 1 MPa equals 0.145038 ksi. For example, 100 MPa is equal to 14.503774 ksi.
Quick Mental Math: Megapascals to Kilopounds per Square Inch
Multiply megapascals by 1.0e+3 for kilopounds per square inch; each metric tier adds three zeros.
Why is converting Megapascals to Kilopounds per Square Inch tricky?
Magnitude or direction confusion between megapascals and kilopounds-per-square-inch is the primary error source.
Quick Reference Values
1 MPa = 0.145038 ksi. 5 MPa = 0.725189 ksi. 10 MPa = 1.450377 ksi. 25 MPa = 3.625944 ksi. 50 MPa = 7.251887 ksi. 100 MPa = 14.503774 ksi.
What is Megapascals?
Megapascals (MPa) is a unit of pressure. The megapascal (MPa) equals one million pascals (Pa), the SI derived unit for pressure. It measures force per unit area, with 1 MPa equaling 1,000,000 N/m². The pascal is defined by the BIPM as one newton per square meter, making the megapascal a standard for high-pressure measurements in engineering and materials science[bipm-si-brochure]. The pascal unit was adopted by the CGPM in 1971, named after Blaise Pascal to honor his work in hydrostatics. The megapascal as a multiple of the pascal emerged with the widespread use of the SI system to quantify large pressure values in the 20th century[bipm-si-brochure]. Megapascals are widely used globally in engineering, construction, and materials testing. Countries adopting the metric system, including those in Europe and Asia, rely on MPa for tensile strength and pressure measurements. The ISO 80000 standard references MPa for expressing pressure in technical documentation[iso-80000].
What is Kilopounds per Square Inch?
Kilopounds per Square Inch (ksi) is a unit of pressure. Kilopounds-per-square-inch (ksi) is a unit of pressure or stress equal to 1,000 pounds-force per square inch. It directly converts to 6,894.76 pascals (Pa), the SI unit of pressure, where 1 psi equals 6,894.76 Pa. This unit is commonly used in material science and mechanical engineering to express tensile strength or stress levels in metals and other materials [nist-si-guide]. The pound-force per square inch (psi) was established in the 19th century in the United States for engineering purposes. The kilo- prefix, standardized by the International System of Units (SI) in 1960, multiplies the base unit by 1,000, creating the ksi unit for higher magnitude pressures [bipm-si-brochure]. Kilopounds-per-square-inch is mostly used in the United States and Canada within civil, mechanical, and aerospace engineering. It appears in material specifications, especially in structural steel design and pressure vessel ratings, while SI units are preferred elsewhere [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: mega pascal, megapascel, megapascal, megapascall, megapascal, kilo pounds per square inch, kips, kpsi, kilopound per square inch. All of these refer to the Megapascals to Kilopounds per Square Inch conversion.