The Cabinet has approved proposals requiring food outlets to post the information at the point where the food is ordered, whether at tables or counters.
Drafting legislation is expected to start immediately and should be ready for enactment by next year.
Minister for Health Leo Varadkar said the move is a simple but effective way of encouraging people to choose a healthier option.
"I am very concerned about levels of overweight and obesity in Ireland. Latest figures indicate that nearly two out of every three adults, and one in four children, are overweight or obese.
"This presents real risks for health and well-being and causes a high percentage of many of the chronic diseases like heart disease, cancer and diabetes," Minister Varadkar said.
The proposed laws will require all menus, including boards, leaflets, digital menus or other forms, to display the amount of calories alongside the price in the same font size and colour.
View on RTE/Health here
View on RTE/Health here
