calculation vs figuring

calculation and figuring both are nouns.

Word	Noun	Adjective	Verb	Adverb
calculation	Yes	No	No	No
figuring	Yes	No	No	No

As nouns, calculation and figuring are synonyms defined as:

calculation and figuring: problem solving that involves numbers or quantities

Other synonyms of calculation include computation, reckoning.

calculation (noun)	figuring (noun)
the procedure of calculating; determining something by mathematical or logical methods	problem solving that involves numbers or quantities
problem solving that involves numbers or quantities
planning something carefully and intentionally