Savings Calculator
Future value = P(1+r)^n + C×((1+r)^n−1)÷r; solve for n to find monthsSolving for n gives approximately 78 months
Free online tool
Enter your goal, current savings, monthly contribution and interest rate.
Instant calculation
Enter your goal, current savings, monthly contribution and interest rate.
Your numbers stay in this browser. Nothing is uploaded or saved.
Three clear steps
Type the total amount you want to save.
Type what you already have saved.
Enter your monthly contribution and expected interest rate.
The formula
Combines initial savings growth with monthly contributions. Interest compounds monthly.
Future value = P(1+r)^n + C×((1+r)^n−1)÷r; solve for n to find monthsSolving for n gives approximately 78 months
Check the method
Each example follows the same formula used by the calculator.
Solving for n gives approximately 78 months≈ 78 months (6.5 years)Common questions
The Savings Calculator helps you calculate how long it will take to reach a savings goal with regular contributions. Enter your values and select Calculate to get an instant result.
Combines initial savings growth with monthly contributions. Interest compounds monthly.
Example: Save $50,000? Have $5,000, add $500/month at 5% — how long? — ≈ 78 months (6.5 years).
No. All calculations run locally in your browser. Your inputs and results are never uploaded, stored or shared with anyone.
Yes. The Savings Calculator is completely free. No account, sign-up or payment is required. It works on mobile, tablet and desktop.
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