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Monthly Savings Needed Calculator
Calculate the monthly deposit needed to reach a target amount within a given number of years, including interest.
How is the required monthly deposit calculated?
This is the inverse of the savings-goal calculation: given the target, the horizon and the rate, the calculator solves the future-value formula for the monthly deposit: P = FV·r/((1+r)n − 1).
Example
Reaching $100,000 in 5 years at 4% annual interest requires about $1,508/month. Without interest — $1,667/month. The gap is the interest your savings earn.
Existing savings reduce the required deposit: they are grown over the full horizon before the remaining gap is computed.
💡 Useful Tips
Automate the deposit on payday — automatic saving beats saving "what is left".
Recalculate yearly with your actual balance and current rates.