How can I change my Cook'n to show metric units?

1. Although the defaults in Cookn are for imperial units Cookn can be set to use metric units.
2. To do this Click Units on the toolbar.
3. Double-click on all of the standard recipe units (tsp, tbs, cups, gallons, etc.) and un-check the box that says "use this unit when adjusting recipe serving sizes."
4. Then, double-click all of the metric units and check the same check-box.
5. Open a recipe and adjust the serving sizes to 10 times the original value.
6. Click OK and then change the serving sizes back to the original amount.
7. They should then appear in metric