14 tools
Investment
SIP, lump sum, compound interest, CAGR, ROI, and compounding estimates.
Compound Interest CalculatorCompound Interest Calculator With Monthly ContributionSimple Interest Calculator
View calculatorsCalculator-backed building blocks
Investment, loan, salary, tax, insurance, retirement, budgeting and decision calculators — every one showing the formula and the assumptions behind its answer.
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Popular calculators
Estimate mutual-fund SIP future value, invested amount, gains, and optional inflation-adjusted value.
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GlobalCalculate EMI, total interest, and total payment for a fixed-rate loan.
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GlobalSplit monthly income into needs, wants, and savings using the beginner-friendly 50/30/20 budgeting rule.
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GlobalEstimate how many years it may take money to double at a given annual return, or the return needed for a target doubling time.
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GlobalEstimate a 3, 6, 9, or 12 month emergency fund target and current savings shortfall.
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GlobalCompare owning vs renting on cost, equity, and break-even.
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GlobalRepay debt faster or invest the surplus — see which wins.
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GlobalEstimate monthly in-hand salary from CTC with simplified PF, professional tax, and tax assumptions.
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IndiaBrowse all categories
SIP, lump sum, compound interest, CAGR, ROI, and compounding estimates.
EMI, repayment, prepayment, affordability, and debt-pressure estimates.
View calculatorsBudget splits, savings rate, emergency fund, and savings goal tools.
View calculatorsSide-by-side calculators for major money choices and trade-offs.
View calculatorsSalary, CTC, HRA, tax-regime, and in-hand pay estimates.
View calculatorsEducational term and health insurance cover need screens.
View calculatorsRetirement corpus, financial freedom, FIRE-style, and withdrawal-rule tools.
View calculatorsSimple rules for budgeting, compounding, debt load, and affordability.
View calculatorsINR-first SIP, EMI, FD, RD, PPF, HRA, CTC, salary, and tax tools.
View calculatorsOverwhelmed by 80+ calculators?
Describe what you are trying to decide. It detects intent, asks for missing inputs, and routes you to calculator-backed next steps.
Personal finance calculators turn assumptions into estimates for investing, loans, budgeting, salary, insurance, retirement, and large financial decisions. In MoneyThinker, they also act as building blocks for the broader Roadmap so you can move from a monthly plan into the exact formula, schedule, chart, table, or export behind a number.
Use calculators to compare scenarios, not to chase a single answer. Change rates, time periods, expenses, EMIs, and savings amounts to see which assumptions matter most.
Small changes in returns, inflation, rent increases, loan rates, and tax rules can change outcomes materially. Treat every result as a planning estimate based on the numbers you entered.
Calculators cannot know your full financial situation, product terms, behavior, tax treatment, legal constraints, or emotional preferences. They are educational tools, not financial, investment, tax, legal, or insurance advice.
Start with the Financial Roadmap if you want a monthly money plan. Start with Finance Navigator if you are unsure which calculator fits. Start here when you already know the number you want to estimate.
The library includes India-specific routes for SIP, EMI, salary, HRA, tax, and selected decision tools under the India filter and `/in/calculators`.