| Cover | Jul. 18, 2024 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Jul. 18, 2024 |
| Entity Registrant Name | NAUTICUS ROBOTICS, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-40611 |
| Entity Tax Identification Number | 87-1699753 |
| Entity Address, Address Line One | 17146 Feathercraft Lane |
| Entity Address, Address Line Two | Suite 450 |
| Entity Address, City or Town | Webster |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77598 |
| City Area Code | 281 |
| Local Phone Number | 942-9069 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Amendment Flag | false |
| Entity Central Index Key | 0001849820 |
| Current Fiscal Year End Date | --12-31 |
| Common Stock | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | KITT |
| Security Exchange Name | NASDAQ |
| Warrants | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Warrants |
| Trading Symbol | KITTW |
| Security Exchange Name | NASDAQ |
