噸 is a Japanese kanji written with 16 strokes, listed here under the keyword “ton”. It is built from 口 (mouth) and 頓 (immediate). In Remembering the Kanji by James W. Heisig it is frame 2956.
On KumiJi Glyph Explorer, open the parts search and type “mouth” + “immediate”. 噸 is among the results, together with every other character containing the same shapes.
Open 噸 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.