# Convert Pound Per Square Inch to Kilopound Per Square Inch (psi to ksi)

In next fields, kindly type your value in the text box under title [ From: ] to convert from pound per square inch to kilopound per square inch (psi to ksi). As you type your value, the answer will be automatically calculated and displayed in the text box under title [ To: ].

**Definitions:**

**Pound Per Square Inch** (abbreviations: **psi, or lb/in2**): is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.

**Kilopound Per Square Inch** (abbreviations: **ksi, or kips/in2**): is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one kilopound-force applied to an area of one square inch.

## How to Convert Pounds Per Square Inches to Kilopounds Per Square Inches

*Example: How many kilopounds per square inches are equivalent to 9.78 pounds per square inches?*

As;

1 pounds per square inches = 0.001 kilopounds per square inches

9.78 pounds per square inches = Y kilopounds per square inches

Assuming Y is the answer, and by criss-cross principle;

Y equals 9.78 times 0.001 over 1

(i.e.) Y = 9.78 * 0.001 / 1 = 0.00978 kilopounds per square inches

Answer is: 0.00978 kilopounds per square inches are equivalent to 9.78 pounds per square inches.

*Practice Question: Convert the following units into ksi:*

N.B.: After working out the answer to each of the next questions, click adjacent button to see the correct answer.

( i ) 65.33 psi

( ii ) 81.46 psi

( iii ) 31.02 psi