Green’s Dictionary of Slang

figure v.

also figger
[SE figure, to reckon, to calculate, to ascertain]

(US) to think of a person or object in a given way; usu. figure him/her for...

[US]H.C. Witwer Classics in Sl. 14: They got Pete figured for a hick.
[US]‘Paul Cain’ ‘One, Two, Three’ in Penzler Pulp Fiction (2006) 10: He might figure me for a dick and scram.
[US]D. Runyon ‘The Three Wise Guys’ in Runyon on Broadway (1954) 410: Everybody figures Joseph Hatcher is guilty.
[US]W.R. Burnett High Sierra in Four Novels (1984) 343: Figures you for some dough, I guess. You look sort of prosperous.
‘Ed McBain’ Cop Hater 109: ‘I figure this for some screwball,’ Frick said. ‘Got himself a peeve, figured he’d go out and shoot somebody’.
[US]T. Wolff ‘Awaiting Orders’ in Our Story Begins 278: Morse gave nothing away [...] He figured these men for army narcs.

In phrases

that figures (also figures, it figures)

(orig. US) that’s right, that adds up as it should.

[US] B. Wolfe Limbo (1953) IV 213: That figures, all right... It’s kind of a startling idea, but it figures [OED].
[US]T. Southern Blue Movie (1974) 23: Yeah, well, that figures.
[US]G.V. Higgins Patriot Game (1985) 61: ‘Harrington bought the ranch.’ ‘Figures.’.
[UK]Guardian Guide 13–19 Nov. 75: Even Daily Mail pin-up Carol Smillie guests in tonight’s episode. It figures.
[US]P. Cornwell Last Precinct 233: That fucking figures.