vˈæljuːz fɔːɹ kæn ˈɔːlsoʊ biː fˈaʊnd baɪ mˈiːnz ʌv fˈɪɾɪŋ tʊ ɛkspˌɛɹɪmˈɛntəl dˈeɪɾə, ɔːlðˈoʊ fɔːɹ sˌʌm mətˈɪɹiəlz, ɪt kæn biː fˈɪkst ɪn ˈɔːɹdɚ tə hæv ðə jˈiːld ˈɔfsɛt ˈiːkwəl tə ðɪ ɐksˈɛptᵻd vˈæljuː ʌv stɹˈeɪn ʌv zˈiəɹoʊ.tˈuː pɚsˈɛnt, wˌɪtʃ mˈiːnz:
Values for  can also be found by means of fitting to experimental data, although for some materials, it can be fixed in order to have the yield offset equal to the accepted value of strain of 0.2%, which means: