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Science quiz

Units of volume from smallest to largest

Metric and customary units mixed together. Click the smallest first, then the next, up to the largest. The buttons are in A to Z order.

Format
Click the grid
Items
16 to click
Limit
2:00
Level
Hard
Checked
2026.10.03
Targets
16
Time limit
2:00
Minefield
One wrong click ends it
  • Work out what comes next and click it.
  • The full order is shown when the game ends.
  • Pause whenever you like (Esc). The board hides while the clock is stopped.

Click the units from smallest to largest. The grid appears when you start.

About this quiz

Kitchen spoons, pints and gallons, the barrel used for oil and the cord used for firewood: every unit here is converted to millilitres to put it in its place. Customary units are the US ones.

  • A US cup is half a US pint, and a US gallon is eight pints.
  • An oil barrel holds 42 US gallons.
  • A cord of wood is a stack of 128 cubic feet.

Sources

  1. [1]National Institute of Standards and Technology (NIST). NIST Guide to the SI, Appendix B.8: Factors for units listed alphabetically.
  2. [2]National Institute of Standards and Technology (NIST). NIST Guide to the SI, Chapter 4: The two classes of SI units and the SI prefixes.

Note on the data. Every customary unit is converted to millilitres with the factors of NIST Special Publication 811, Appendix B.8, read on 3 October 2026, using the US units listed there (US liquid pint and quart, US bushel, and the petroleum barrel of 42 US gallons). The metric units follow the SI prefixes. Neighbours in the order differ by at least 5 percent.

Last checked October 3, 2026

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