Tot up
Definition 1 of 1
Pro Tip 1/3Casual Use
Use 'tot up' in informal situations, like chatting with friends about expenses. 
We need to tot up what we spent on snacks for the movie night.
Pro Tip 2/3Quick Calculations
'Tot up' suggests a quick, informal calculation rather than a detailed accounting process. 
Before we leave the flea market, let's tot up how much we've spent.
Pro Tip 3/3Figurative Use
Sometimes 'tot up' is used to sum up non-numerical things, like experiences or events. 
As the year ends, we tot up our successes and failures.