Investment Calculator
Your savings
Spread evenly across the year as /month.
Used only to estimate today's-money value - it does not change the headline balance.
Future balance after years
from paid in
- Starting amount
- Total deposited
- Total paid in
- Interest earned
- Final balance
- Real value (today's money)
The power of compounding
Interest makes up of your final balance. That's earned on top of what you paid in.
Assumes interest compounds monthly. Estimate only - returns are not guaranteed.
What your Investment Calculator result means
The Investment Calculator does more than show a number. Below your result it explains what your figures mean in practice - your effective and marginal rates, any allowances or thresholds you are close to, and the specific steps to take next. Enter your details above and the guidance updates to match your situation.
Do this next, in order
Estimates only - not financial or tax advice. Confirm figures on GOV.UK or with an adviser.
Balance over time
The gap between the two lines is the interest your money has earned.
| Year | Paid in | Interest | Balance |
|---|---|---|---|
Compare saved scenarios
| Scenario | Paid in | Interest | Final balance | |
|---|---|---|---|---|