Compound Interest Calculator
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Calculate compound interest growth on savings or investments.
- On your device
- No signup
Finance topic guide
Investment calculators
Free investment and savings calculators for compound interest, SIP, ROI, inflation, and long-term growth estimates.
11 free tools in this guide — pick one below to get started.
Tools in this guide(11)
Open a tool to calculate, convert, or edit — no signup required.
SIP Calculator
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Estimate returns from systematic investment plans.
- On your device
- No signup
Investment Calculator
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Project investment growth from a lump sum and monthly contributions.
- On your device
- No signup
ROI Calculator
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Calculate return on investment as a percentage, with optional annualized ROI.
- On your device
- No signup
Savings Calculator
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Project savings growth with initial deposit and monthly contributions.
- On your device
- No signup
Inflation Calculator
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See how inflation affects purchasing power over time.
- On your device
- No signup
CD Calculator
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Estimate certificate of deposit maturity value and interest.
- On your device
- No signup
Capital Gains Calculator
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Estimate investment gain, tax owed, and net proceeds.
- On your device
- No signup
Emergency Fund Calculator
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Calculate your emergency fund target and time to reach it.
- On your device
- No signup
401(k) Contribution Limit Calculator
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Check max 401(k) contribution room against IRS deferral limits.
- On your device
- No signup
Roth vs Traditional 401(k) Calculator
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Compare Traditional 401(k) vs Roth 401(k) after-tax outcomes.
- On your device
- No signup
Overview
Investment calculators help you model how savings might grow over time or how inflation erodes purchasing power. They are especially helpful when comparing lump-sum vs recurring contributions.
Compound Interest Calculator and SIP Calculator cover recurring deposits. Investment Calculator and ROI Calculator evaluate growth or return on a single pool of capital. Savings Calculator targets goal dates. Inflation Calculator shows how today’s dollars might translate to future costs using rates you supply.
None of these tools know your tax wrapper, fund fees, or sequence-of-returns risk. Use them to understand sensitivity to rate and time, then validate major decisions with professional advice.
For employer-plan limits and Roth vs traditional tradeoffs, use 401(k) Contribution Limit Calculator and Roth vs Traditional 401(k) Calculator alongside the growth tools below.
401k-paycheck-impact-calculator
How to choose
- Recurring monthly investing → SIP Calculator or Compound Interest Calculator.
- Single sum growth → Investment Calculator.
- Return on a project → ROI Calculator.
- Purchasing power over time → Inflation Calculator.
- 401(k) limits or Roth vs traditional → 401(k) Contribution Limit Calculator or Roth vs Traditional 401(k) Calculator.
Frequently asked questions
What is the difference between SIP and compound interest tools?
SIP Calculator emphasizes recurring contributions common in mutual-fund SIPs. Compound Interest Calculator is flexible for any periodic deposit schedule the tool supports.
Do calculators deduct taxes?
Only when a tool exposes tax fields. Most show pre-tax growth unless stated otherwise.
Can I model different contribution amounts?
Yes. Change inputs and re-run to compare scenarios side by side.
Step-by-step workflows (12)
Multi-step guides that chain tools from this topic—follow numbered steps instead of guessing tool order.
- Build a personal finance planEstimate income, set a budget, plan debt payoff, fund emergencies, and project retirement.6 steps
- Plan credit card payoffCompare payoff timelines, snowball vs avalanche order, and how extra payments change interest.4 steps
- Plan a loan or major purchaseEstimate EMI, compare mortgage scenarios, and run quick percentage math before you borrow.4 steps
- Refinance or buy vs rentEstimate affordability, compare renting to buying, and model refinance savings.3 steps
- Buy a car with confidenceEstimate auto loan payments, compare offers, and check the payment against your budget.3 steps
- Split a restaurant billCalculate tip on the total, then split the check evenly among your table.2 steps
- Send a client invoiceDraft an invoice, assign a reference number, and add sales tax to the total.3 steps
- Track weight metricsEstimate BMI and percent change for wellness screening—not medical advice.2 steps
- Estimate take-home pay and budgetConvert salary or hourly pay to take-home estimates, then build a simple budget.4 steps
- Plan a mortgage payment scheduleCheck affordability, estimate payment, view amortization, then model extra payments.4 steps
- Check retirement contribution readinessModel 401(k) and Roth growth, confirm limits, compare account types, then project retirement needs.5 steps
- Compare contractor vs W-2 payWeigh contractor vs employee offers, estimate paychecks and tax drag, then size an emergency fund.4 steps