Spending baseline
Your monthly spend sets the target.
Add the basics, see your Financial Independence Year, and learn what could move it.
Start with the answer, then compare the inputs behind it.
Your monthly spend sets the target.
Cautious and optimistic views show how far the year can move.
Spot the input making the biggest difference.

Assets vs target: 19%£186,000 invested today
Same year as Base. Range 2044-2052.
Conservative lowers expected real return by 1.5 percentage points. Optimistic raises it by the same amount. All other inputs stay unchanged.
Change one input and see how the year responds.
See whether spending, savings, or return changed the year most.
Each result stays framed as an estimate for comparison.
Use a consistent calculation when you test another scenario.
Come back later and adjust the same inputs.
Learn with Ambit
Ambit explains the assumptions behind your Financial Independence Year, starting with the input with the clearest effect.
Understand the assumptions behind your year.
Understand with AmbitStart with the Financial Independence Year.
Find the input with the clearest effect.
Use Ambit, then return to the calculator.

Spending sets the target your portfolio needs to cover.
Core assumption.Fees, inflation, and investment mix can affect how realistic your return assumption feels.
Includes partner context from Hargreaves Lansdown inside Ambit.Regular saving changes how quickly the target may be reached.
Contribution pace.After-inflation return changes how compounding is estimated.
An assumption, not a promise.Withdrawal rate changes the size of the target pot.
Target size.A buffer adds room for uncertainty around the target.
Uncertainty.