psi√in\text{psi}{\cdot}\text{√in}

pound per square inch root inch

Fracture toughness

One pound per square inch root inch, a thousandth of a ksi·√in. It appears where toughness is low enough that the larger unit would be all decimals.

1 psi√in\text{psi}{\cdot}\text{√in} 0.0010988435 MPa√m\text{MPa}{\cdot}\text{√m}

One pound per square inch root inch in every fracture toughness unit

1,098.84pascal root meter (Pa·√m)
0.00109884megapascal root meter (MPa·√m)
0.001kip per square inch root inch (ksi·√in)
1pound per square inch root inch (psi·√in)this unit