have a head for figures

have a head for (something)

1. To have the mental ability to do something well. I've always been good at math—I guess I just have a head for numbers.
2. To have the ability to withstand or endure something. I never had a head for flying before, but I'm getting used to it now that I have to travel so much for work.
See also: have, head

have a head for figures

To have an exceptional mental ability to calculate numbers; to be good with numbers. I've always been good at math—I guess I just have a head for figures.
See also: figure, have, head

have a (good) head for ˈfigures

be good at doing sums, etc: If you want to be successful in business, you must have a good head for figures.
See also: figure, have, head