To make an omelet for each of his six friends, Ahmed will need to use 2 eggs for each omelet.
So, the total number of eggs needed can be calculated as follows:
Number of friends = 6
Eggs per omelet = 2
Total eggs needed = Number of friends × Eggs per omelet = 6 × 2 = 12
Therefore, Ahmed will need 12 eggs to make all the omelets.