Paisley's Press Ons Printable sizing ruler
Print at 100% / "Actual size". Turn off "Fit to page." Check that this bar measures exactly 5 cm with a real ruler before measuring.
Cut-out rulers (mm) 0102030405060708090100110120130140150 mm
0102030405060708090100110120130140150 mm
0102030405060708090100110120130140150 mm
Size gauge — hold your nail against the bars 1. Cut out a ruler and lay it across the widest part of your nail, side to side.
2. Read the width in mm and match it to the gauge. Between sizes? Size up.
3. Write down all 10, thumb to pinky, and send them with your order.