RSU & Stock Vesting Tax Calculators Connecticut

Connecticut RSU Vesting Tax Calculator

A 100-share vest at $50, following $100,000 in wages, produces an estimated $275 Connecticut component and $1,758 total withholding at the prefilled 5.5% state assumption.

By StateCalc Team

Updated Nov 4, 2026 Checked Jul 30, 2026 · 1 source

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Shares Vesting

01000000

Stock Price at Vest ($/share)

$0$100,000

Connecticut Supplemental Tax Rate (%)

015%

Pre-filled: State DOR (regular method — estimate)

Year-to-Date Wages (Before This Vest)

$0$10,000,000

Net Value After Tax

$3,243.00

Estimated • Based on your inputs

Total Tax Withheld

$1,758.00

Detailed Breakdown

Gross Vest Value$5,000.00

Effective Withholding Rate35.15%

Federal Withholding (22%/37%)$1,100.00

Connecticut Withholding$275.00

Social Security (6.2%)$310.00

Medicare (1.45%)$73.00

Additional Medicare Tax (0.9%)$0.00

Shares Sold to Cover Taxes36

Shares You Keep64

Disclaimer: This calculator provides estimates for informational purposes only. Results should not be considered financial, tax, or legal advice. Consult a qualified professional for your specific situation.

Connecticut Quick Facts

6.99% Income Tax Rate

1.54% Property Tax Rate

$96,049 Median Income

103.6 Cost of Living

How This Calculator Works

Calculation methodology and assumptions

Connecticut's employer guide treats supplemental compensation paid alongside regular wages as part of the combined payment for withholding. It separately addresses compensation paid at a different time. This tool applies one editable percentage to the vest rather than calculating payroll-period withholding.

Connecticut employer guide, supplemental compensation

Key State Information

Change the scale to 200 shares at $100 and earlier wages to $190,000: the engine estimates $5,880 withheld and 59 shares sold to cover it. The result depends on the assumed state rate and the timing and amounts in your actual payroll.

Standard financial formulas Pre-filled with documented data Estimates only — not financial advice

Data Source

IRS Publication 525 & Publication 15 (2026); state Department of Revenue

View Original Source | Source record reviewed Jul 30, 2026 | Review target: annually

StateCalc Team

Editorial Team

The StateCalc team builds financial calculators using data from official government sources including the IRS, U.S. Census Bureau, BLS, and state revenue departments. All formulas are validated by an automated test suite and cross-referenced against published data.

Our editorial standards

Frequently Asked Questions

Does the date of the payment matter in Connecticut?

The employer guide distinguishes supplemental compensation paid at the same time as regular wages from compensation paid at a different time. Consult payroll for the method used on your vest.

Can this model reproduce my Connecticut paycheck?

It estimates a state amount from a single percentage; it does not calculate the combined payroll payment or apply your withholding certificate.