Compound Interest Calculator

See how steady saving could grow over time. Clear breakdown, warm visuals, no jargon.

Your details

Warm and simple

Starting amount (£) What you start with today.

Monthly contribution (£) How much you add each month.

Interest rate (% per year) Example: 6 means 6% per year.

Years saving How long you plan to keep saving.

How often interest is added Monthly is common for projections.

Inflation adjustment (optional) Shows values in today’s money.

Assumption: contributions are added monthly. Interest is applied at the selected compounding frequency.

Your projection

20 years

After 20 years, your savings could grow to

£0

Total

£0

You contributed

£0

Growth added

£0

Growth over time

Contributions Interest

Tip: the gold layer shows growth above what you put in.

Year by year breakdown

Year	Total	Contributed	Interest

These figures are projections, not guarantees. Use them for planning, not prediction.