Precision Tools

Micrometer Trainer

Learn to read a 0-1" outside micrometer with 0.0001" vernier scale. Practice freely or test your skills in quiz mode.

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Drag the thimble up/down to adjust the reading. Drag the ratchet stop left/right for quick positioning.

Scroll wheel: 0.001" steps. Hold Shift for 0.0001".

Arrow keys: Up/Down for 0.001", Shift+Arrow for 0.0001".