basic

Macaulay Bond Duration Calculator

D = Σ t·PV(CFt) / Price — weighted average time to cash flows.

Calculates the Macaulay Duration and Modified Duration of a bond from coupon rate, yield to maturity, face value, and years to maturity.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
Was this helpful?

How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

D_Mac = Σ[t × CF_t/(1+y)^t] / Price; D_mod = D_mac/(1+y)

In depth

Calculates the Macaulay Duration and Modified Duration of a bond from coupon rate, yield to maturity, face value, and years to maturity.