Input
¥10k + ¥1k/mo @ 8%
Future
Projected balance
Developer Tools
Compound Interest — SIP & Growth Simulator
Project compound growth with optional monthly contributions and compounding frequency, plus yearly breakdown—for savings and investment planning.
CompoundInvestingCalculator
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Quick actions
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开发工具
Compound Interest Calculator
20 年
最终金额
-
投入本金
-
收益
-
增长趋势（年度）
| 年份 | 累计投入 | 账户余额 | 当年收益 |
|---|
增长图表
Use cases
- Simulate long-term SIP outcomes
- Compare rates over the same horizon
- Plan savings targets
How to use
- Set starting principal and monthly top-up
- Choose annual return and years
- Review growth curve and final amount
Example input and output
FAQ
Is return fixed in real life?
No—this assumes a constant rate; markets fluctuate.
Does compounding frequency matter?
Yes—more frequent compounding slightly increases ending value at the same nominal rate.
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