Personal Finance How to invest less and achieve financial goals Updated : August 28, 2018 12:09 PM IST Part of a good goal planning system is to calculate how much you need to invest today. These calculators, popularly called SIP calculators, tell you the amount needed to be invested each month to achieve your financial goals. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.