Pascaline

Free calculator · 2026 · Graduated

Connecticut Estate Tax Calculator

Connecticut's estate tax exemption tracks the federal exclusion ($15,000,000 in 2026). Estates above it are taxed at graduated rates up to 12%.

Tracks the federal exclusion ($15,000,000, 2026)

Free and statute-cited. Powered by the Pascaline State Estate Tax API — the same engine, over REST and MCP, for developers. Informational only, not tax advice.

Estimate the state estate tax

Add this calculator to your site

Advisors and CPAs: drop the live Connecticut calculator on your own site with two lines. It stays current automatically, and carries a small "Powered by Pascaline" credit.

<div data-pascaline-calc="state-estate-tax" data-state="CT"></div>
<script src="https://pascaline.io/assets/pascaline-embed.js" async></script>

Other states

Browse every state estate tax calculator →