These measurements are only of the blade length, not the whole knife as handles length vary.

mm	cm	in
120mm	12cm	~4"3/4
135mm	13.5cm	~5"5/16
150mm	15cm	~5"15/16
160mm	16cm	~6"5/16
165mm	16.5cm	~6"1/2
180mm	18cm	~7"1/16
210mm	21cm	~8"1/4
240mm	24cm	~9"7/16
270mm	27cm	~10"5/8
300mm	30cm	~11"13/16
330mm	33cm	13"
370mm	37cm	~14"9/16