Vernier Caliper Simulator (Minimal)
Drag the movable jaw or use arrow keys. See the live measurement and vernier alignment.
Live measurement
0.00 mm
Drag to measure
Vernier index
0
0–98 (×0.01 mm)
Final reading
—
Set on release
How to read:
Main scale (before vernier zero) + (vernier index × 0.01 mm).
Aligned lines highlight the correct vernier division.
Controls:
Drag jaw • Arrow keys (←/→) •
Shift for 1mm, Alt for 0.02mm •
Enter or Space to finalize •
Double-click to zero.