The meaning of Add up

phrasal verb

To increase gradually until there is a large amount:

phrasal verb

Increase in amount, number, or degree.

Usage examples:

Watch those air miles add up!

phrasal verb

Perform the process of calculating the total value of two or more numbers or amounts.

Usage examples:

I wonder how many people get ripped because they can't add up

phrasal verb

Add up in number or quantity

phrasal verb

To increase gradually until there is a large amount

Usage examples:

The changes in air quality are small, but after a while they do add up and affect people's health.,…

phrasal verb

To calculate the total of two or more prices, numbers, etc.

Usage examples:

He quickly added up the figures in his head., the fees were adding up.