A five-cut game

Can you cut the ribbon exactly in half?

Touch the spot where you would cut. The ribbon straightens and shows the difference at once.

Your results stay on this page and disappear when you reload it.

Cut 1 of 5

Cut the ribbon where you think the midpoint lies.

Keyboard: move the scissors with the arrow keys, then press Enter.

How it is calculated

The midpoint follows the curve.

We measure the cut along the ribbon. Your miss is the distance from the 50% point, as a share of the full length. The two displayed percentages use the same calculation and add to 100%.

The score describes these five cuts on the current shapes and device.