How to Calculate Monthly Savings Needed for a Financial Goal

“I need ₹10 lakh in 5 years. How much should I save per month?” This is the core question a savings goal calculator answers — working backwards from a target to find the required monthly contribution.

The formula

If you already have some savings, those grow on their own:

Future Value of Current = Current × (1 + r)ⁿ
Remaining = Goal − Future Value of Current
Monthly Required = Remaining × r / (((1+r)ⁿ − 1) × (1+r))

Where r = monthly rate (annual/12/100) and n = months.

Why it’s less than you think

Compound growth does the heavy lifting. To accumulate ₹10 lakh in 5 years:

• At 0% return (savings account): ₹16,667/month
• At 8% return (debt fund): ₹13,610/month (19% less!)
• At 12% return (equity fund): ₹12,244/month (27% less!)

The difference between 0% and 12% is ₹4,423/month — that’s ₹2.65 lakh less you need to save over 5 years.

The power of existing savings

If you already have ₹2 lakh saved:

• Without existing savings: Need ₹12,244/month at 12%
• With ₹2L existing (grows to ₹3.6L): Need only ₹7,831/month

Your existing money works alongside new contributions.

Common savings goals and timelines

Goal	Amount	Timeframe	Monthly (at 10%)
Emergency fund	₹3L	12 months	₹23,700
Car down payment	₹5L	24 months	₹18,900
Wedding	₹15L	36 months	₹35,400
House down payment	₹30L	60 months	₹38,800
Child’s education	₹50L	180 months	₹10,300

Notice how longer timeframes dramatically reduce the monthly requirement.

Tips for reaching your goal

1. Start immediately — even small amounts compound
2. Automate transfers — set up standing instructions on salary day
3. Use conservative return estimates — underpromise, overdeliver
4. Review quarterly — adjust if returns are better or worse than expected
5. Don’t withdraw early — breaking compounds undoes the math

Plan your savings with the OurDailyCalc savings goal calculator.

TL;DR

• The calculator works backwards: from goal → monthly required
• Higher expected returns reduce the monthly amount needed
• Existing savings reduce the gap further
• Longer timeframes dramatically lower monthly requirements