Tax Equivalent Yield Calculator
Calculate Tax Equivalent Yield (TEY) for municipal bonds across federal and state marginal income tax brackets.
What is the Tax Equivalent Yield Calculator?
The ToolboxDock Tax Equivalent Yield Calculator is a free, 100% browser-based financial utility that calculates money metrics directly in client-side RAM with zero server transfers. It provides instant mathematical modeling for loans, investments, taxes, and amortization schedules while ensuring complete confidentiality of your sensitive financial data.
The Tax Equivalent Yield (TEY) Calculator determines the pre-tax yield a taxable corporate or Treasury bond must deliver to match the after-tax return of a tax-exempt municipal bond, accounting for combined federal and state income tax brackets.
Financial Calculation Inputs
- Supported Inputs: Principal balances, interest rates, compounding schedules, and tenures.
- Precision Model: High-precision IEEE-754 floating-point arithmetic with decimal rounding.
- Data Privacy: Zero cloud logs. Figures are calculated locally in your browser memory.
Output & Schedule Breakdown
- Visual Analytics: Month-by-month schedules, dynamic charts, and cash flow summaries.
- Currency Support: Multi-currency symbol formatting (USD, EUR, GBP, INR, JPY, CAD, AUD).
- Access Guarantee: 100% unlocked with zero limits, subscriptions, or forced account creation.
How to Use the Tax Equivalent Yield Calculator
Follow these 3 simple steps for instant, accurate calculations.
1. Enter Municipal Bond Yield
Input the stated yield to maturity of the tax-exempt municipal bond (e.g., 3.85%).
2. Enter Federal & State Tax Brackets
Input your federal income tax bracket (e.g., 32%) and state income tax rate (e.g., 6%).
3. Compare Equivalent Yields
Review the pre-tax taxable yield a corporate bond must pay to match your tax-free municipal return.
Financial Privacy & Architecture Comparison
Why client-side financial calculations protect your privacy better than cloud services.
| Evaluation Criteria | ToolboxDock (Client-Side) | Traditional Online Calculators |
|---|---|---|
| Financial Data Privacy | 100% Local (Never leaves device RAM) | Logged on remote servers and ad networks |
| Calculation Latency | Instant real-time update on keystroke | Full page reloads or API round-trips |
| Offline Usability | Works offline once cached in browser | Fails without active server connection |
| Cost & Paywalls | 100% free with unlimited calculations | Usage caps or financial product paywalls |
Tax Equivalent Yield (TEY) Formula
Tax Equivalent Yield is calculated by dividing the tax-free municipal yield by 1 minus the combined effective marginal tax rate.
Core Tax Equivalent Yield Calculator Inputs & Terminology
The gross yield a taxable bond must pay to equal the net return of a tax-exempt bond.
A debt security issued by a state, city, or local government entity whose interest is exempt from federal taxes.
The percentage of tax applied to your highest dollar of income.
The annual cash tax savings achieved by earning tax-exempt interest income.
Frequently Asked Questions
Common questions about using our free Tax Equivalent Yield Calculator.