Duration Calculation      
This calculator is designed to calculate the duration of a bond based on the YTM, coupon rate and remaining term of the bond. It also calculates modified duration and provides an estimate of the change in the price of the bond based on incremental changes in the YTM.  
           
           
YTM   Duration  
Coupon Rate   Mod Duration  
Time (years)   Bond Price Today  
           
           
           
Bond Price Changes Due to Interest Rate Fluctuations  
Δ in Interest Rates Estimated Δ Based on Modified Duration Actual Δ in Bond Price  
  Percentage Dollars Dollars Error in Estimate  
-1.0%  
-0.5%  
0.5%  
1.0%