Cover - shares	6 Months Ended
	Sep. 30, 2021	Oct. 22, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2021
Document Transition Report	false
Entity File Number	001-36027
Entity Registrant Name	MIX TELEMATICS LIMITED
Entity Incorporation, State or Country Code	T3
Entity Address, Address Line One	750 Park of Commerce Blvd
Entity Address, Address Line Two	Suite 100
Entity Address, City or Town	Boca Raton
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	33487
City Area Code	(877)
Local Phone Number	585-1088
Title of 12(b) Security	American Depositary Shares, each representing 25 Ordinary Shares, no par value
Trading Symbol	MIXT
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		606,434,616
Amendment Flag	false
Entity Central Index Key	0001576914
Current Fiscal Year End Date	--03-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2