The word(s) "weight" appears 20 time(s) in 20 verse(s) in Quran in Mohsin Khan translation.

(11) "O my son! If it be (anything) equal to the weight of a grain of mustard seed, and though it be in a rock, or in the heavens or in the earth, Allah will bring it forth. Verily, Allah is Subtle (in bringing out that grain), Well-Aware (of its place).

(12) Those who disbelieve say: "The Hour will not come to us." Say: "Yes, by my Lord, the All-Knower of the Unseen, it will come to you; not even the weight of an atom (or a small ant) or less than that or greater escapes His Knowledge in the heavens or in the earth but it is in a Clear Book (Al-Lauh Al-Mahfuz).

(13) Say: (O Muhammad صلى الله عليه وسلم to polytheists, pagans) "Call upon those whom you assert (to be associate gods) besides Allah, they possess not even an atom's (or a small ant's) weight either in the heavens or on the earth, nor have they any share in either, nor there is for Him any supporter from among them.

(14) And (the clouds) that bear heavy weight of water.

(15) And observe the weight with equity and do not make the balance deficient.

(16) Verily, We shall send down to you a weighty Word (i.e. obligations, laws).

(17) Woe to Al-Mutaffifun (those who give less in measure and weight).

(18) And when they have to give by measure or weight to (other) men, give less than due.

(19) So whosoever does good equal to the weight of an atom (or a small ant) shall see it.

(20) And whosoever does evil equal to the weight of an atom (or a small ant) shall see it.