SortStack #630 — 2028-02-29

By weight · Order from lightest to heaviest.

  1. A single drop of water 50 mg

    Pharmacists standardized the 'drop' centuries ago: twenty drops make roughly one milliliter.

  2. A sheet of A4 printer paper 5 g

    A-series paper is metric by design: every size is exactly half the one above it, all sharing the same elegant proportions.

  3. An adult red fox 5.2 kg

    Red foxes may use Earth's magnetic field to aim their famous pouncing dives — they prefer striking toward the northeast.

  4. An adult male western lowland gorilla 160 kg

    Silverbacks are several times stronger than a fit human, yet they eat almost nothing but plants and the occasional termite.

  5. An adult male giraffe 1.2 t

    A giraffe's heart generates about double the blood pressure of most mammals to push blood two meters up its neck to the brain.

  6. Big Ben, the Great Bell of Westminster 13.8 t

    Big Ben is the bell, not the tower — and it cracked within months of entering service in 1859; the odd tone is the crack.

← All puzzles · Play today’s SortStack