Try a Make-Yor-Own recipe or one of the substitutes:

MAKE YOUR OWN EVAPORATED MILK

2/3 cup skim milk powder
1 cup water
OR
1 cup dry whole milk
2/3 cup water

Mix well and use as directed in recipe.

2/3 cup evaporated milk = 5 oz can.
1 1/2 cups evaporated milk = 12 oz can

HALF-AND-HALF = Half & Half (10.5 - 18% fat)

1/2 cup cream and 1/2 cup milk = 1 cup half-and-half
OR
7/8 cup milk + 1 1/2 tb butter = 1 cup half-and-half

COFFEE CREAM = Light Cream = TABLE CREAM (18 - 30% fat)

7/8 cup milk + 3 tb butter = 1 cup light cream
OR
1/2 cup milk and 1/2 cup cottage cheese = 1 cup light cream