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Savings Goal Calculator

The monthly amount that reaches a savings target, with what your existing balance contributes on its own. Over short horizons growth does very little and the contribution is nearly the whole answer.

Also called: savings target calculator, how much to save monthly.

%
Save this much a month
₹21,956

₹21,956 a month for 36 months reaches 10,00,000. Of that, ₹7,90,418 is your money and ₹1,09,582 is growth.

Total you contribute
₹7,90,418
Growth on the way
₹1,09,582
What your existing savings become
₹1,23,293
Monthly amount if it earned nothing
₹25,000
Share of the target that is growth
10.96%

An estimate, not an offer or a guarantee. Projected returns assume the rate you entered holds for the whole term, which no market does.

Method and background

This is what the calculation gives for the numbers you entered. It is an estimate, not advice, and it knows nothing about your situation beyond those numbers. Rules for India change on a published schedule; the effective date is shown on every rule-based tool.

How this is calculated

Work backwards. Whatever you already have grows on its own, so subtract that from the target first, then find the level monthly amount whose accumulated value covers the rest. Over three years at a deposit rate the growth is a small share of the total, which is worth seeing: for short goals the return assumption barely matters and the discipline does.

contribution = (target less what the existing balance grows to) / the annuity factor
T
Target amount (currency)
P
Existing savings (currency)
i
Monthly rate (decimal)
n
Months (months)

Worked examples

Each of these is asserted on every build. If a change to the engine ever moved one of these answers, the build would fail before the page could print it.

a ten lakh goal in three years

Amount you want
₹10,00,000
Already saved
₹1,00,000
Months to get there
36
Return while you save
7%

Save this much a month₹21,956

Structural: contributions plus growth plus the opening balance must reach the target

Open this example

a zero return makes it plain division

Amount you want
₹10,00,000
Already saved
₹1,00,000
Months to get there
36
Return while you save
0%

Save this much a month₹25,000

boundary: 9,00,000 over 36 months

Open this example

already there needs nothing

Amount you want
₹10,00,000
Already saved
₹10,00,000
Months to get there
36
Return while you save
0%

Save this much a month₹0

degenerate case

Open this example

Method and limits

What it assumes

  • Contributions at the end of each month, and a constant return.

What it deliberately does not model

  • Inflation is not applied, so a distant target in today’s money will cost more by the time it arrives.
  • Tax on the returns is not deducted.

Formula version 1.0.0 · definition 1.0.0 · India · Report a problem with this calculator

Frequently asked questions

Why does the return matter so little?
Over a short horizon most of the money has only been invested for a few months. Growth compounds with time, so on a three-year goal it is a rounding item and on a twenty-year one it is most of the answer.