| Cover | Jun. 21, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jun. 21, 2023 |
| Entity File Number | 001-40454 |
| Entity Registrant Name | KULR TECHNOLOGY GROUP, INC. |
| Entity Central Index Key | 0001662684 |
| Entity Tax Identification Number | 81-1004273 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 4863 Shawline Street |
| Entity Address, City or Town | San Diego |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92111 |
| City Area Code | 408 |
| Local Phone Number | 663-5247 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | KULR |
| Security Exchange Name | NYSEAMER |
| Entity Emerging Growth Company | false |
