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CD Ladder Withdrawal Schedule Planner

Plan a recurring withdrawal pattern from a certificate of deposit ladder and see how the balance may change as interest is earned between scheduled withdrawals. The planner is useful when a ladder is being used to support regular spending rather than simply reinvesting every maturity.

Enter the current ladder balance, the amount you expect to withdraw at each maturity, how many maturities occur each year, an average annual yield, and the planning horizon. The result estimates the balance remaining after the final scheduled withdrawal and summarizes how much cash was withdrawn along the way. Because actual CD rates, renewal dates, penalties, and taxes vary by account, use the output as a cash-flow planning estimate rather than a bank statement projection.

Calculator inputs

USD
USD
/yr
%
years
Result
—
Projected ending ladder balance
Planned annual withdrawals—
Total planned withdrawals—
Estimated interest earned—
Periods funded—

1. Enter the ladder balance
Use the total principal currently assigned to the CD ladder.

2. Set the withdrawal amount
Enter the cash you plan to take each time a rung matures.

3. Match the maturity cadence
Enter how many planned maturities or withdrawal opportunities occur in one year.

4. Add an average yield
Use a reasonable blended annual percentage yield for the ladder over the planning period.

5. Choose a horizon
Set the number of years you want to model, then review the ending balance and funded periods.

Periodic rate = APY / maturities per year Balance after each period = prior balance × (1 + periodic rate) − withdrawal Total withdrawals = withdrawal × funded periods Estimated interest = ending balance + total withdrawals − starting balance

The model applies one average annual yield evenly across the scheduled maturity periods. It does not model early-withdrawal penalties, changing CD rates, taxes, or uneven rung sizes.

What the result means

A positive ending balance means the modeled ladder can fund all scheduled withdrawals while retaining principal under the entered average yield.

If the balance is exhausted before the horizon ends, the funded-period count shows how many full scheduled withdrawals were supported.

Given

  • Starting ladder balance: $100,000
  • Withdrawal per maturity: $5,000
  • 4 maturities per year
  • Average APY: 4.0%
  • Planning horizon: 2 years

Calculation
Periodic rate = 4.0% ÷ 4 = 1.0%
After first maturity: $100,000 × 1.01 − $5,000 = $96,000
The same update repeats for 8 planned maturity periods.

Result
Projected ending balance is approximately $66,857 after eight withdrawals totaling $40,000.

The ladder remains funded through the two-year horizon in this simplified model.

What does “maturities per year” mean?

It is the number of times during a year that you expect a CD rung to mature and make cash available. A quarterly ladder would normally use four maturities per year.

Does the planner assume every CD has the same rate?

It uses one blended annual yield across the entire ladder. If your rungs have very different rates, use a weighted average or run separate scenarios.

What happens if the modeled balance runs out?

The calculator stops counting full withdrawals once the balance can no longer cover the scheduled amount. The funded-period result helps identify when the plan becomes unsustainable under the assumptions.

Are early-withdrawal penalties included?

No. The schedule assumes withdrawals happen when funds are available at planned maturity points, so bank-specific early-withdrawal penalties are not modeled.

Should taxes be deducted from the yield?

This planner uses the yield you enter. For a spendable-cash estimate, you can enter an after-tax yield or use the CD Ladder Tax Impact Estimator separately.