Evergreen concept
GuideStep-up SIP vs Regular SIP
When annual SIP increases beat a flat SIP — salary growth, contribution habit, and how to model both on Tools.Town.
A regular SIP invests the same amount every month. A step-up SIP (also called top-up SIP) raises that amount on a schedule — typically once a year by a fixed percent — so contributions can grow with income.
Decision table
| Situation | Lean toward |
|---|---|
| Income is stable; you want a simple habit | Regular (flat) SIP |
| You expect raises and can commit more each year | Step-up SIP |
| You already max a comfortable fixed amount | Flat SIP + occasional lumpsum |
| Comparing “what if I never raised?” | Run both calculators |
Model both before you commit
- Run SIP Calculator with your starting monthly amount, years, and a conservative expected return.
- Run Step-up SIP Calculator with the same start amount and return, plus a realistic step-up % (often 5–10%).
- Compare total invested, estimated corpus, and the final monthly SIP you would need to fund in the last year.
Past returns are not guarantees. Stress-test with a lower rate and a lower step-up.
Related
Frequently Asked Questions
Is step-up always better?
Only if you can actually raise contributions. A higher assumed step-up that you never fund is a fiction. Model a rate you can stick to.
Can I step up mid-year?
AMC platforms differ. This calculator assumes one annual increase for planning. For irregular top-ups, re-run scenarios or use a flat SIP plus a separate lumpsum.
Is this investment advice?
No. Educational estimates only. Fund choice, risk, and tax need your own research or a professional.