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A marriage fund calculator answers a question every Indian family eventually faces: how much will a wedding cost by the time it actually happens, and how much do we need to set aside every month to afford it? The answer is not a guess. It is a calculation — one that combines the current cost of a wedding, the rate at which wedding expenses are inflating, the number of years available, and the return your investments can realistically generate. A wedding fund calculator takes those four inputs and returns two critical numbers: the inflation-adjusted future cost of the wedding, and the monthly SIP required to build that corpus. Whether you are a parent planning 15 years ahead or a couple with a two-year runway, the calculator replaces anxiety with a number you can act on.
At its core, a marriage fund calculator performs two distinct calculations that feed into each other.
The first is the future cost of the wedding. A wedding that costs ₹15 lakh today will not cost ₹15 lakh five years from now. Venue rentals, catering, jewellery, and decor all rise with inflation. The calculator projects today's cost forward using an assumed inflation rate — typically 8–10% for Indian weddings — and produces the amount you will actually need to spend at the target date.
The second calculation is the monthly investment required to reach that future cost. This depends on the expected return from your chosen investment vehicle and the number of months available. If you have 10 years and invest in equity mutual funds with a historical return of 12%, the monthly SIP needed is significantly lower than if you have only 3 years and invest in a fixed deposit at 7%.
The output is a single actionable figure: invest this much every month, starting now, and you will have the required corpus when the wedding arrives.
Understanding the formula helps you verify the calculator's output and make better decisions about the inputs you choose.
The wedding's future cost is calculated using the compound inflation formula:
Where FV is the future value, PV is the present cost, r is the annual inflation rate, and n is the number of years until the wedding.
For example, if a wedding costs ₹15,00,000 today and inflation runs at 8% for 10 years:
That is the amount you will need to spend in 10 years for a wedding that costs ₹15 lakh today.
Once you know the future cost, the monthly SIP required is calculated using the future value of a series formula. The exact formula is complex, but most calculators use the standard SIP formula:
Where M is the monthly investment, FV is the target corpus, i is the monthly rate of return (annual return divided by 12), and n is the number of months. For the same ₹32.38 lakh target over 10 years at 12% annual return:
A SIP calculator performs this calculation instantly and also shows how step-up SIPs — where you increase your monthly investment annually — can reduce the required initial SIP.
The WedMeGood Annual Wedding Industry Report 2025, based on responses from over 2,000 couples and 500 wedding professionals, provides the most current data on Indian wedding expenditure.
| Metric | 2025 Figure |
|---|---|
| All-India average wedding budget | ₹39.5 lakh |
| Year-on-year increase | 8% |
| Average destination wedding cost | ₹58 lakh |
| Average loan size taken | ₹15.5 lakh |
| Couples funding through savings | 78.65% |
| Couples taking loans | 15.2% |
| Average guest count (local wedding) | 420 |
| Average guest count (destination wedding) | 280 |
City-wise variation is substantial. Jaipur leads with an average spend of ₹73 lakh, followed by Delhi at ₹38 lakh, Bangalore and Hyderabad at ₹37 lakh each, and Mumbai at ₹35 lakh. Tier 2 cities present a different picture entirely: a standard middle-class wedding in a metro city with 200–400 guests across 2–3 functions runs ₹15–25 lakh, while a similar wedding in a Tier 2 city costs ₹8–15 lakh.
Understanding the category-wise split helps you decide where to economise and where cutting costs is impractical.
| Category | Share of Budget | Typical Range |
|---|---|---|
| Venue and catering | 40–50% | ₹6–12 lakh |
| Jewellery | 15–20% | ₹2–10 lakh+ |
| Outfits and styling | 10–15% | ₹1.5–3 lakh |
| Decor and flowers | 8–12% | ₹1.2–2.5 lakh |
| Photography and video | 5–8% | ₹75,000–1.5 lakh |
| Music and entertainment | 3–5% | ₹50,000–1 lakh |
| Miscellaneous | 5–8% | ₹75,000–1.5 lakh |
Catering alone accounts for 20–30% of the total budget for most weddings, with per-plate costs ranging from ₹500 to ₹2,500 depending on the menu and city. For a 300-guest wedding, catering costs fall between ₹1.5 lakh and ₹7.5 lakh before venue charges. Jewellery is the second-largest variable: costs range from ₹2 lakh to ₹10 lakh or more, and with gold prices at all-time highs, this category has become the biggest source of budget overruns.
Gold is inseparable from Indian weddings, and its price trajectory has made wedding planning significantly more expensive. Gold appreciated from approximately ₹78,000 per 10 grams in January 2025 to over ₹1,26,000 per 10 grams by November 2025 — a rise of more than 60% in a single year. In December 2025, 24-carat gold touched ₹1,35,280 per 10 grams on the MCX, while 22-carat gold retailed around ₹1,24,000 per 10 grams.
This price surge has changed buying behaviour. With gold touching ₹1.32 lakh per 10 grams, buyers are shifting towards 14 and 18-carat options, which are substantially cheaper than 22-carat. Eighteen-carat gold was priced at approximately ₹94,000 per 10 grams, and 14-carat at ₹73,000. For families planning a wedding fund, the implication is clear: either allocate a larger jewellery budget or plan for lighter, lower-carat pieces. A marriage fund calculator that uses today's gold price as the present value automatically accounts for the possibility of further appreciation, provided the inflation input is set realistically.
India's consumer price inflation typically runs in the 4–6% range. Wedding costs, however, have been inflating at 8–10% annually — roughly double the general rate. The reasons are structural, not cyclical.
Venue supply is constrained by auspicious dates. Limited saya dates tighten venue availability, and vendors price accordingly. Data from the WedMeGood report shows that venue frustrations are driven primarily by Saya date availability (37.91%), followed by pricing pressures (33.8%). When demand concentrates on a handful of dates, prices rise regardless of the broader economy.
Weddings have also shifted from standard celebrations to experiential events. Pre-wedding shoots, destination celebrations, curated decor, clinical skin treatments — these are relatively new categories that did not exist at scale a decade ago. Over 65% of couples underwent clinical skin treatments before their wedding, and 17% opted for dermal fillers. Each new category adds to the baseline cost.
Most Indian families fund weddings through savings. The WedMeGood report found that 78.65% of couples relied on savings as the primary source, while only 15.2% took loans. An additional 6.25% liquidated assets to finance the celebration.
A systematic investment plan is the most efficient way to build a wedding corpus over a long horizon. Equity mutual fund SIPs have historically delivered 11–13% annualised returns over 10+ year periods. For shorter horizons — under 5 years — debt funds and recurring deposits offer lower but more predictable returns of 6–8%. A balanced approach works well: equity for the growth phase, transitioning to debt as the wedding approaches to protect the corpus from market volatility.
Marriage loan interest rates in India range from 10% to 24% per annum. Public sector banks like SBI offer rates starting around 10.75%, private banks such as HDFC and ICICI charge between 11% and 20%, and NBFCs may go up to 24%. These are unsecured loans — no collateral is required — but the interest burden is real. A ₹5 lakh loan at 10% over 3 years carries a monthly EMI of approximately ₹16,134 and total interest of ₹80,809. Using a loan EMI calculator before signing any loan agreement shows exactly what the debt will cost.
The prudent sequence is straightforward: exhaust savings and SIPs first, borrow only for urgent non-negotiable expenses, and never let the loan repayment outlast the wedding by more than 2–3 years.
Using a marriage fund calculator is straightforward, but the inputs require thought. Here is the process.
A marriage fund calculator does all of this in seconds. The value is not in the arithmetic but in the clarity: you leave with a specific monthly number to act on, rather than a vague sense that weddings are expensive.
Even families that calculate diligently make predictable errors.
The average all-India wedding budget stands at around ₹39.5 lakh, with significant variation by city and scale. A middle-class wedding in a metro city with 200–400 guests across 2–3 functions costs ₹15–25 lakh, while a similar wedding in a Tier 2 city runs ₹8–15 lakh. Your target depends on guest count, venue choice, and whether you plan a destination celebration.
Assuming a 12% annual return, a monthly SIP of approximately ₹8,700 is needed to build a ₹20 lakh corpus in 10 years. If you start 5 years later, the required SIP roughly doubles to ₹17,000 per month. Starting early is the single biggest lever in wedding fund planning.
Wedding costs in India have been rising at 8–10% annually. A wedding that costs ₹15 lakh today will cost approximately ₹32 lakh in 10 years at 8% inflation, and ₹39 lakh at 10%. A marriage fund calculator adjusts your target for this inflation so your corpus stays adequate.
Only 15.2% of Indian couples take loans for weddings, with an average loan size of ₹15.5 lakh. Interest rates range from 10% to 24% per annum. A loan may be unavoidable for urgent, non-negotiable expenses, but funding a wedding entirely on borrowed money creates a debt burden that outlasts the celebration. Exhaust savings and SIPs first.
Equity mutual fund SIPs in India have historically delivered 11–13% annualised returns over 10+ year periods. Debt funds and recurring deposits offer lower returns — typically 6–8% — but with greater stability. A balanced approach often works best: equity for long horizons, debt for the final 2–3 years before the wedding.
Use the future value formula: FV = PV × (1 + inflation rate)^number of years. If your wedding costs ₹15 lakh today and inflation runs at 8% for 10 years, the future cost is ₹15,00,000 × (1.08)^10 ≈ ₹32.4 lakh. A marriage fund calculator does this instantly and also computes the SIP required.
The earlier the better. Starting when the child is born gives 20–25 years of compounding. A monthly SIP of ₹5,000 started at birth at 12% returns grows to approximately ₹50 lakh by age 20. Starting at age 10 shrinks that corpus to roughly ₹15 lakh for the same monthly investment. Time is the most valuable asset in wedding fund planning.
In sum, a marriage fund calculator turns an emotionally charged, financially vague goal into a precise plan. It tells you what the wedding will cost when it actually happens, how much you need to invest every month to afford it, and whether your current savings trajectory is adequate. Start with the calculator, set the inflation rate honestly at 8–10%, choose a return assumption you are comfortable with, and let the compounding do the rest. The marriage fund calculator above is free, needs no signup, and runs the numbers in seconds. Use it before the wedding planning pressure begins — not after.