| Singular | Dual | Plural |
| Nominative |
यज्ञोपवीतकम्
yajñopavītakam
|
यज्ञोपवीतके
yajñopavītake
|
यज्ञोपवीतकानि
yajñopavītakāni
|
| Vocative |
यज्ञोपवीतक
yajñopavītaka
|
यज्ञोपवीतके
yajñopavītake
|
यज्ञोपवीतकानि
yajñopavītakāni
|
| Accusative |
यज्ञोपवीतकम्
yajñopavītakam
|
यज्ञोपवीतके
yajñopavītake
|
यज्ञोपवीतकानि
yajñopavītakāni
|
| Instrumental |
यज्ञोपवीतकेन
yajñopavītakena
|
यज्ञोपवीतकाभ्याम्
yajñopavītakābhyām
|
यज्ञोपवीतकैः
yajñopavītakaiḥ
|
| Dative |
यज्ञोपवीतकाय
yajñopavītakāya
|
यज्ञोपवीतकाभ्याम्
yajñopavītakābhyām
|
यज्ञोपवीतकेभ्यः
yajñopavītakebhyaḥ
|
| Ablative |
यज्ञोपवीतकात्
yajñopavītakāt
|
यज्ञोपवीतकाभ्याम्
yajñopavītakābhyām
|
यज्ञोपवीतकेभ्यः
yajñopavītakebhyaḥ
|
| Genitive |
यज्ञोपवीतकस्य
yajñopavītakasya
|
यज्ञोपवीतकयोः
yajñopavītakayoḥ
|
यज्ञोपवीतकानाम्
yajñopavītakānām
|
| Locative |
यज्ञोपवीतके
yajñopavītake
|
यज्ञोपवीतकयोः
yajñopavītakayoḥ
|
यज्ञोपवीतकेषु
yajñopavītakeṣu
|