a drop in the ocean

(noun) a very small and unimportant amount

Example Sentences:

When Markus paid $10 on his credit card bill, it was a drop in the ocean compared to his $25,000 debt.

It’s only a drop in the ocean.

From the Blogs:

Don’t worry, it’s only a drop in the ocean

Media:

Similar idioms:

1. pay off
2. max one’s credit card
3. drop someone a line
4. one can hear a pin drop