Our MathQnA calculator instantly gives you The Tax Equivalent Yield with Tax Free Yield 20 and Tax Rate 18 is -1.1765. Whether you’re addressing When Tax Free Yield 20 and Tax Rate 18, the Tax Equivalent Yield is -1.1765., you can adjust the values and units as needed to get precise results. This tool is designed for flexibility and ease of use, making it perfect for both academic inquiries and real-world calculations.