Finance topic guide
Investment calculators
Free investment and savings calculators for compound interest, SIP, ROI, inflation, and long-term growth estimates.
Topic guides
Browse focused guides that compare related tools and link to the best starting point for your task.
- Loan calculatorsCompare free loan calculators for monthly payments, APR, payoff timelines, and extra-payment savings. Run estimates in your browser.
- Mortgage calculatorsFree mortgage calculators for monthly payments, affordability, amortization schedules, and refinance break-even estimates in your browser.
- Retirement calculatorsEstimate retirement savings, 401(k) growth, and Roth IRA projections with free browser-based retirement calculators.
- Investment calculatorsFree investment and savings calculators for compound interest, SIP, ROI, inflation, and long-term growth estimates.
- Debt calculatorsPay off credit cards faster and compare snowball vs avalanche strategies with free debt calculators in your browser.
- Salary and paycheck calculatorsConvert hourly wages to salary, estimate paychecks, and model overtime with free payroll calculators in your browser.
- Business finance calculatorsBudget, tax, net worth, and affordability calculators for small-business and personal finance planning in your browser.
Tools in this guide
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.
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.
Related workflows
These multi-step guides chain tools from this category for common jobs.