v3.26.1
Cover
6 Months Ended
Mar. 31, 2026
Cover [Abstract]  
Entity Registrant Name Farmmi, Inc.
Entity Central Index Key 0001701261
Document Type 6-K
Amendment Flag false
Current Fiscal Year End Date --09-30
Document Period End Date Mar. 31, 2026
Document Fiscal Period Focus Q2
Document Fiscal Year Focus 2026
Entity File Number 001-38397
Entity Address Address Line 1 Fl 1, Building No. 1,888 Tianning Street
Entity Address Address Line 2 Liandu District
Entity Address City Or Town Lishui
Entity Address Country CN
Entity Address Postal Zip Code 323000