Free THCA Tools: Calculators, Legality Checker & COA Reader

Four free tools for anyone buying, selling, or researching hemp-derived THCA. No signup, no email required, and each one is free to embed on your own site. Built and maintained by Doc’s Hemp. For adults 21+.

Enter delta-9 and THCA from any COA to see how a product measures under the current rule and the November 12, 2026 total-THC standard.
Pick any of the 50 states or DC for a plain-English read on THCA legality, with a link to the full state guide.
Enter cannabinoid values from any Certificate of Analysis to check compliance, potency, and whether a product is single-cannabinoid or a blend.
Current status of the November 12, 2026 hemp redefinition and every pending bill to delay, amend, or repeal it.

Free to Use and Free to Embed

Every tool includes a copy-paste embed snippet. Publishers, retailers, and educators are welcome to use them — we only ask for a link back.

Why We Built These

Hemp law is genuinely confusing right now. The federal definition of hemp changes on November 12, 2026, most states have already adopted stricter total-THC standards, and Certificates of Analysis are hard to read if nobody has shown you how. These tools answer the questions we get asked most, without requiring anyone to trust a sales page.

Related Reading

General information, not legal advice. Last reviewed August 4, 2026.

Want to earn from referrals? Join the Doc’s Hemp affiliate program.

Scroll to Top