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A savings interest calculator computes how much interest your savings will earn over time, accounting for the annual interest rate, compounding frequency, and any regular contributions. The power of compound interest grows money exponentially over long periods.
Hướng dẫn từng bước
- 1Enter your principal (initial deposit), interest rate, and time period
- 2Select compounding frequency: daily, monthly, quarterly, or annually
- 3For regular contributions: each deposit is compounded from when it is made
- 4Future value = P(1 + r/n)^(nt) + PMT × [(1+r/n)^(nt)−1] / (r/n)
Ví dụ có lời giải
đầu vào
£5,000 at 4.5% annual for 10 years (monthly compounding)
Kết quả
£7,807
£2,807 interest earned
đầu vào
£100/month for 20 years at 5%
Kết quả
£41,103
£17,103 earned on £24,000 contributed