Cover - shares	6 Months Ended
	Mar. 31, 2022	May 13, 2022
Cover [Abstract]
Entity Registrant Name	KNOW LABS, INC.
Entity Central Index Key	0001074828
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--09-30
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Mar. 31, 2022
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2022
Entity Common Stock Shares Outstanding		43,752,147
Document Quarterly Report	true
Entity File Number	000-30262
Entity Incorporation State Country Code	NV
Entity Tax Identification Number	90-0273142
Entity Interactive Data Current	Yes
Entity Address Address Line 1	500 Union Street
Entity Address Address Line 2	Suite 810
Entity Address City Or Town	Seattle
Entity Address State Or Province	WA
Entity Address Postal Zip Code	98101
City Area Code	206
Local Phone Number	-903-1351
Document Transition Report	false