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Sperm vs Female sperm vs Paramecium size comparison

This comparison shows 3 objects drawn to scale. Drag the view to rotate it, or add your own items to the comparison.

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Dimensions (height × width × depth)
ObjectAs enteredCentimetresInches
Sperm42.0 × 5.88 × 5.88 um0 × 0 × 0 cm0 × 0 × 0 in
Female sperm100 × 8 × 8 um0.01 × 0 × 0 cm0 × 0 × 0 in
Paramecium100 × 43.0 × 43.0 um0.01 × 0 × 0 cm0 × 0 × 0 in
Bounding-box volume*
ObjectVolumevs smallest
Sperm1.5 × 10−6 mm³
Female sperm6.4 × 10−6 mm³4.4×
Paramecium1.8 × 10−4 mm³127×

* Height × width × depth of the box each object fits in, not the object's own volume. Multiples are against the smallest box here, Sperm.