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1um vs Red Blood Cell vs Human hair size comparison

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

Dimensions (height × width × depth)
ObjectAs enteredCentimetresInches
1um1 × 1 × 1 um0 × 0 × 0 cm0 × 0 × 0 in
Red Blood Cell0 × 0 × 0 m0 × 0 × 0 cm0 × 0 × 0 in
Human hair125 × 125 × 125 um0.01 × 0.01 × 0.01 cm0 × 0 × 0 in

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