Retirement horizon tool

Life Expectancy Financial Planning Calculator

Retirement duration and income gap
Asset longevity and withdrawal pressure
Plan surplus or shortfall
yrs
yrs
yrs
yrs
Extra years beyond life expectancy for conservative planning.
cur
%
%
Pension, annuity, rental income or similar recurring income.
%
mode
%
%
yr
%
yrs
Primary result
On track
financial plan status
Retirement outlook
Retirement horizon
0 yrs
Retirement assets
€0
Annual gap
€0
Net income basis Portfolio likely lasts 3-year buffer
Strong
Under the current assumptions, assets appear positioned to support the planned retirement horizon.
Years to retirement
0
time remaining to build assets
Planning horizon
0
retirement years to fund
Needed at retirement
€0
target capital estimate
Surplus or shortfall
€0
assets minus target need
Annual spending at retirement
€0
Guaranteed income
€0
Other income
€0
Gross withdrawal need
€0
Required annual portfolio support
€0
Assets at retirement
€0
Safe withdrawal target capital
€0
Horizon-based capital need
€0
Estimated asset longevity
0 yrs
Projected end balance
€0
Required capital
€0
target need
Projected capital
€0
at retirement
Portfolio lasts
0 yrs
estimated support

Enter age, life expectancy, planned income and asset assumptions to estimate whether assets may support the intended retirement horizon.

Needed capital
Projected capital
End balance
Measure Amount
Year Age Portfolio Withdrawal End balance

What this calculator does

This calculator estimates the financial burden of funding retirement through your expected lifespan. It projects assets to retirement, inflates spending needs, subtracts expected recurring income and estimates whether portfolio withdrawals may last through the selected planning horizon.

Core formulas

Planning horizon = life expectancy + buffer − retirement age

Annual gap = retirement spending need − guaranteed income − other income

Safe capital target = annual gap ÷ target withdrawal rate

Projected retirement assets = current assets grown forward + ongoing contributions + one-time additions

Why the horizon matters

A plan that works for a 20-year retirement may fail over a 30-year retirement. Small changes in life expectancy, inflation or annual withdrawals can materially change the amount of capital required.

How to use it properly

Use conservative return assumptions, realistic inflation and a practical longevity buffer. Guaranteed income should include only the recurring income streams you are reasonably confident will continue through retirement.

Frequently asked questions

The planning horizon is the number of retirement years you want your assets to support, measured from retirement age through life expectancy plus any added buffer years.
A longevity buffer helps test whether the plan can tolerate living longer than the base life expectancy assumption.
The annual gap is the portion of retirement spending that still needs to be funded by portfolio withdrawals after guaranteed and other retirement income are subtracted.
No. This is a planning estimate tool. Taxes, market sequence risk, healthcare shocks, inheritance, pension rules and spending changes can materially affect real outcomes.
The safe withdrawal approach is a quick benchmark, while the horizon-based capital need uses the selected return and retirement duration assumptions. Viewing both gives a stronger planning range.
It is the approximate number of retirement years the portfolio can support under the entered return and withdrawal assumptions before being depleted.
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Life Expectancy Financial Planning Calculator Report
Planning horizon
0 yrs
Retirement assets
€0
Annual gap
€0
Projected end balance
€0
Years to retirement0
Required capital€0
Projected capital€0
Estimated longevity0 yrs
Plan surplus or shortfall€0
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