Best emojis for size↔️📏↕️

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left-right arrow
horizontal, bidirectional, scroll, width, length, side, size, range, alternative, split, long, wide, scalable, dimension, gap
📏
straight ruler
ruler, measure, length, scale, math, architect, stationery, rule, standard, size, area, dimension
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up-down arrow
vertical, bidirectional, scroll, height, side, size, range, alternative, sort, deep, scalable, dimension