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The fluid scruple is 1⁄24 fluid ounce, 1⁄3 fluid dram, 20 minims, or 1⁄4 teaspoon, or 1 saltspoon. It is therefore equal to 1.23 milliliters.
The cubic kilometre or cubic kilometer is the unit of volume. Its symbol is km3. It is the volume of a cube with edges one kilometre in length.