Calculate the Volume of a Box with Rounded Corners

Calculator of how many milliliters, centiliters, deciliters or liters fit in a rectangular container with rounded corners.

The base of this box is rectangular or square with rounded corners formed by a circle. Mathematically, this is a general cylinder with a rounded rectangle as its base. The diameter of the circle (twice the radius) is measured across a corner where a straight side meets the curve of the circle.

Box with round corners

Example: a square round corner box has a side length and width of 8 cm and a height of 10 cm. The diameter of the circle at the corners is 2.5 cm (2 x 1.25). Then 42.5 centiliters fit in there.

Please state length and width (if the base is a square, one value is sufficient), height (or fill level) and circle diameter. The content in milliliters (ml), centiliters (cl), deciliters (dl) and in liters (l) will be calculated.

Circle diameter:cm

Metal box for spices

This jar for spices is 5.5 cm long and 5.5 cm wide, 7.5 cm high and has a circle diameter of 1.5 cm. It has a capacity of 136 milliliters.

Here you can convert metric volume units into customary and imperial units.

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