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Savings Tool





How the Calculator Works

The calculator uses compound interest plus monthly contributions:

Future Value = P(1 + r/n)^(nt) + PMT × [((1 + r/n)^(nt) − 1) / (r/n)]
  

Where:
• P = initial savings
• PMT = monthly contribution
• r = annual interest rate (decimal)
• n = 12 (monthly compounding)
• t = years

Example

Initial Savings = 2,000  
Monthly Contribution = 150  
Interest Rate = 4%  
Years = 12  

Possible Output:
Future Value = 32,441.88