Surah Al-Anfal 8:41
۞ وَٱعْلَمُوٓا۟ أَنَّمَا غَنِمْتُم مِّن شَىْءٍ فَأَنَّ لِلَّهِ خُمُسَهُۥ وَلِلرَّسُولِ وَلِذِى ٱلْقُرْبَىٰ وَٱلْيَتَـٰمَىٰ وَٱلْمَسَـٰكِينِ وَٱبْنِ ٱلسَّبِيلِ إِن كُنتُمْ ءَامَنتُم بِٱللَّهِ وَمَآ أَنزَلْنَا عَلَىٰ عَبْدِنَا يَوْمَ ٱلْفُرْقَانِ يَوْمَ ٱلْتَقَى ٱلْجَمْعَانِ ۗ وَٱللَّهُ عَلَىٰ كُلِّ شَىْءٍ قَدِيرٌ
And know that anything you obtain of war booty - then indeed, for Allāh is one fifth of it and for the Messenger and for [his] near relatives and the orphans, the needy, and the [stranded] traveler, if you have believed in Allāh and in that which We sent down to Our Servant on the day of criterion [i.e., decisive encounter] - the day when the two armies met [at Badr]. And Allāh, over all things, is competent.
Translation: Saheeh International
Tafsir
And know that whatever spoils you have taken you have seized from the disbelievers by force the fifth of it is for God to have it dispensed as He will and for the Messenger and for the kinsmen the kinsmen of the Prophet s from among the Banū Hāshim and the Banū ‘Abd al-Muttalib and the orphans children of Muslims …
Excerpt from Tafsir al-Jalalayn, commentary on 8:41, via Quran.com. The reader has the full commentary and 9 more tafsirs.