{
    "name": "SIP Step-Up Calculator",
    "url": "https://calculators.geekmidst.com/calculators/sip-step-up-calculator",
    "markdown": "https://calculators.geekmidst.com/calculators/sip-step-up-calculator.md",
    "category": "India tax & investing",
    "description": "See what a SIP grows to when you raise the monthly amount every year by a percentage or a fixed sum, with total invested and estimated gains.",
    "summary": "A step-up (or top-up) SIP raises the monthly instalment once a year, usually in line with pay rises. Small yearly increases make a large difference to the final value.",
    "also_called": [
        "Top-up SIP calculator",
        "Increasing SIP calculator"
    ],
    "applies_to": "India",
    "last_updated": "2026-10-29",
    "computation": "Results are computed in the visitor’s browser on the HTML page. This API describes the calculator; it does not compute results.",
    "inputs": [
        {
            "name": "monthly",
            "label": "Starting monthly SIP",
            "type": "number",
            "default": "5000"
        },
        {
            "name": "step_mode",
            "label": "Increase by",
            "type": "segmented",
            "default": "percent",
            "options": {
                "percent": "Percentage",
                "amount": "Fixed amount"
            }
        },
        {
            "name": "step_up",
            "label": "Yearly step-up",
            "type": "number",
            "default": "10"
        },
        {
            "name": "rate",
            "label": "Expected return (per year)",
            "type": "number",
            "default": "12",
            "unit": "%"
        },
        {
            "name": "years",
            "label": "Time period",
            "type": "number",
            "default": "10",
            "unit": "years"
        },
        {
            "name": "currency",
            "label": "Currency",
            "type": "hidden",
            "default": "INR"
        }
    ],
    "outputs": [
        {
            "key": "maturity",
            "label": "Estimated value",
            "format": "currency"
        },
        {
            "key": "invested",
            "label": "Total invested",
            "format": "currency"
        },
        {
            "key": "gains",
            "label": "Estimated gains",
            "format": "currency"
        },
        {
            "key": "final_sip",
            "label": "Monthly SIP in the final year",
            "format": "currency"
        }
    ],
    "formula": {
        "text": "Each month: Value = (Value + SIP) × (1 + r), with r = annual return ÷ 12 ÷ 100. After every 12 months: SIP = SIP × (1 + step-up%) or SIP + step-up amount",
        "variables": {
            "SIP": "the monthly instalment for the current year",
            "r": "expected monthly return",
            "step-up": "the yearly increase in the instalment"
        }
    },
    "worked_example": {
        "inputs": {
            "monthly": "5000",
            "step_mode": "percent",
            "step_up": "10",
            "rate": "12",
            "years": "10",
            "currency": "INR"
        },
        "steps": [
            "Year 1 SIP is ₹5,000; it rises 10% each year to ₹11,789.74 in year 10.",
            "Total invested = 12 × 5,000 × (1.1¹⁰ − 1) ÷ 0.1 = ₹9,56,245.48.",
            "Growing each instalment at 1% a month to the end of year 10 gives ₹16,87,163.13."
        ],
        "result": "A ₹5,000 SIP stepped up 10% a year for 10 years at 12% could grow to about ₹16.9 lakh, against ₹11.6 lakh for a flat ₹5,000 SIP."
    },
    "interpretation": "Compare the result with the plain SIP Calculator: the extra value comes both from the larger amounts invested and from their growth. If your income rises steadily, a step-up keeps your savings rate from shrinking.",
    "assumptions": [
        "Each instalment is invested at the start of the month, the convention used in Indian SIP illustrations.",
        "The return is constant and compounds monthly.",
        "The step-up happens every 12 months from the first instalment."
    ],
    "limitations": [
        "Mutual fund returns are not guaranteed and vary from year to year.",
        "Expense ratios, exit loads and taxes are not deducted."
    ],
    "rules": null,
    "faqs": [
        {
            "question": "What step-up percentage should I choose?",
            "answer": "Many investors match their expected pay rise, often 5–10%. A fixed rupee step-up grows more slowly in percentage terms as the SIP gets larger."
        },
        {
            "question": "Can I change the step-up later?",
            "answer": "Yes. Most fund houses let you add, change or stop a top-up instruction; check your AMC’s rules."
        }
    ],
    "sources": [
        {
            "title": "SEBI investor website",
            "url": "https://investor.sebi.gov.in/"
        }
    ],
    "related": [
        {
            "name": "SIP Calculator",
            "url": "https://calculators.geekmidst.com/calculators/sip-calculator"
        },
        {
            "name": "SWP Calculator",
            "url": "https://calculators.geekmidst.com/calculators/swp-withdrawal-calculator"
        },
        {
            "name": "Mutual Fund CAGR Calculator",
            "url": "https://calculators.geekmidst.com/calculators/india-mutual-fund-cagr-calculator"
        },
        {
            "name": "Compound Interest Calculator",
            "url": "https://calculators.geekmidst.com/calculators/compound-interest-calculator"
        }
    ],
    "disclaimer": "Returns are illustrations at a constant rate, not predictions or guarantees. Investments can lose value. This is not investment advice.",
    "publisher": "GM¹X CalcVerse"
}