Bond Convexity Calculator - Calculate a bond's convexity to measure its price sensitivity to large yield changes. Get Macaulay duration, modified duration, convexity, and a side-by-side comparison of the duration-only versus duration-plus-convexity price prediction across a yield shock slider. New

Bond Duration Calculator (Macaulay & Modified) - Compute Macaulay duration, modified duration, DV01, and PV half-life for any coupon bond. See duration as a balance-point of present-value cash flows, predict the price change for a custom yield shock, and walk through every formula step. New

Bond Equivalent Yield Calculator - Calculate bond equivalent yield (BEY) with step-by-step formula breakdown, visual comparison charts, multiple bond analysis, and investment insights for treasury bills, commercial paper, and discount securities.

Bond Yield Calculator - Calculate bond yields including Current Yield, Yield to Maturity (YTM), and Yield to Call (YTC) with step-by-step formulas, cash flow analysis, and interactive visualization.

Bond Yield to Maturity Calculator - Calculate bond yield to maturity (YTM) with step-by-step formula breakdown, cash flow visualization, investment analysis, and comprehensive bond metrics including current yield and capital gain/loss.

I Bond Calculator - Calculate the composite rate, semiannual interest accrual, and the 3-month early-redemption penalty for U.S. Series I savings bonds. See your bond grow month by month, how much interest you forfeit if you cash out before 5 years, your real penalty-adjusted yield, and a step-by-step breakdown of the official Treasury composite-rate formula. New

T-Bill Calculator - Calculate the discount purchase price, dollar return, and yield of a U.S. Treasury bill (4, 8, 13, 17, 26, or 52 weeks). Enter a discount rate or a purchase price and instantly see the bank discount rate, the coupon-equivalent investment yield, the effective annual yield (APY), and — because T-bill interest is exempt from state and local income tax — the tax-equivalent yield a taxable CD would have to beat. Includes an animated price-to-par visual, a value-accretion chart, and a step-by-step breakdown. New

Treasury Inflation-Protected Securities (TIPS) Calculator - Calculate the inflation-adjusted principal, growing coupon payments, real yield, and deflation-floor protection for US Treasury Inflation-Protected Securities (TIPS). See how every coupon ratchets with CPI and how the principal escalator compares against an ordinary fixed-rate Treasury. New

Zero Coupon Bond Calculator - Calculate zero coupon bond present value, yield to maturity (YTM), and comprehensive investment metrics with step-by-step formulas, interactive charts, and bond comparison analysis.