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What is the full form of PSI?

Full form of PSI: Here, we are going to learn about the PSI, full form of PSI, overview, history, PSI of India, etc.
Submitted by Anushree Goswami, on March 08, 2020

PSI: Pound per Square Inch / Population Services International

1) PSI: Pound per Square Inch

PSI is an abbreviation of Pound per Square Inch. Pound per Square Inch or more precisely Pound-force per Square Inch is the unit of pressure. One PSI is equal to the pressure which is produced when one pound-force is applied to an area of one square inch. Therefore, PSI is the measure of force that is applied to one square inch area.

In SI units, 1 psi is approximately equal to 6895 N/m2.

1 PSI= 1 lb (pound)/ 1inch2

PSI full form

  • The kilopound per square inch (KSI) is a scaled unit resulting from psi, which is correspondent to a thousand psi (1000 lbf/in2).
  • KSI are not generally used for gas pressures. They are typically used in materials science, where the tensile strength of a material is measured as a huge number of psi.
  • The conversion in SI units is 1 ksi = 6.895 MPa, or 1 MPa = 0.145 ksi.
  • The mega pounds per square inch (Mpsi) is one more multiple equal to a million psi. It is used in mechanics for the elastic modulus of materials, specifically for metals.
  • The conversion in SI units is 1 Mpsi = 6.895 GPa, or 1 GPa = 0.145 Mpsi.

2) PSI: Population Services International

PSI is also an abbreviation of Population Services International. It is an international health organization that was founded to enhance and progress the health of people in developing countries. It provides education to people about the advantages of family planning and offers clinical facilities and life-saving drugs for serious diseases like HIV, malaria, diarrhea, pneumonia, and malnutrition. The head office of this organization is in Washington, D.C. It is extended all over more than 60 countries around the world and has around 9,000 personnel members.

PSI full form

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Brief history

  • In 1970, PSI was established. In the first fifteen years, it was largely worked in family planning and provided education to people about the advantages of family planning.
  • In 1985, it began offering oral rehydration therapy.
  • In 1988, it began an HIV prevention project which supported and encouraged faithfulness and the use of condoms.
  • In the 1990s, it comprised malaria and harmless water in its facilities.
  • In 2004, it supplemented tuberculosis to its portfolio.

PSI in India

In 1988, PSI began offering clinical facilities in India. It at present has around 1000 personnel members all over 20 states of India.

Following are some of the main health issues it is taking care of in India:

  • Malaria prevention
  • Child survival
  • Sanitation
  • Tuberculosis
  • Maternal Health
  • Family Planning


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