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Compound Growth Calculator

See how contributions and time can change outcomes. Educational only.

Your Inputs

Understanding Compound Growth

Typical Returns

High-Risk / High-Skill12–15%+
Strong Investor Zone8–12%
S&P 5009–10%
FTSE All-Share7–9%
Cash / Risk-Free3–5%

Your Results

Future Value£125,972
Starting amount£10,000
Total contributions£58,000
Total growth earned£67,972
Ending balance£125,972
💡 After year 9, investment growth per year exceeds your contributions

Yearly Breakdown

YearContributionsAccumulated GrowthTotal Balance
1£12,400£696£13,096
2£14,800£1,583£16,383
3£17,200£2,673£19,873
4£19,600£3,979£23,579
5£22,000£5,512£27,512
6£24,400£7,289£31,689
7£26,800£9,323£36,123
8£29,200£11,630£40,830
9£31,600£14,228£45,828
10£34,000£17,134£51,134
11£36,400£20,367£56,767
12£38,800£23,948£62,748
13£41,200£27,897£69,097
14£43,600£32,239£75,839
15£46,000£36,996£82,996
16£48,400£42,194£90,594
17£50,800£47,861£98,661
18£53,200£54,026£107,226
19£55,600£60,719£116,319
20£58,000£67,972£125,972