Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
suyuti:2749a –

"When you weigh, allow more. " (Using translation from Ibn Mājah 2222)   

السيوطي:٢٧٤٩a –

"إِذَا وزنْتُم فأرْجِحُوا".  

[هـ] ابن ماجة [ض] ضياء المقدسي في مختاره عن جابر

See similar narrations below:

Collected by Ibn Mājah
ibnmajah:2222 – Muḥammad b. Yaḥyá > ʿAbd al-Ṣamad > Shuʿbah > Muḥārib b. Dithār > Jābir b. ʿAbdullāh

"When you weigh, allow more. "  

ابن ماجة:٢٢٢٢ – حَدَّثَنَا مُحَمَّدُ بْنُ يَحْيَى حَدَّثَنَا عَبْدُ الصَّمَدِ حَدَّثَنَا شُعْبَةُ عَنْ مُحَارِبِ بْنِ دِثَارٍ عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ قَالَ

قَالَ رَسُولُ اللَّهِ ﷺ إِذَا وَزَنْتُمْ فَأَرْجِحُوا