Finance calculators
65 clear tools with formulas, interactive graphs and calculation tables.
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Finance essentials
29 toolsLoan EMISee every repayment, explore extra payments, and understand your total interest.Prepayment planner↗MortgageSee every repayment, explore extra payments, and understand your total interest.Prepayment planner↗Compound InterestExplore contributions, compounding and the difference time can make.Step-up & growth planner↗Simple InterestCalculate interest on a principal amount.Live chart & table↗SIPExplore contributions, compounding and the difference time can make.Step-up & growth planner↗Return on InvestmentCompare profit with your initial cost.Live chart & table↗DiscountFind the price after a discount.Live chart & table↗Sales Tax / GSTAdd a tax rate to a price.Live chart & table↗Profit MarginFind profit as a share of revenue.Live chart & table↗InflationEstimate a future equivalent cost.Live chart & table↗Fixed Deposit (FD)Estimate FD maturity value and compound-interest growth.Quarterly compounding↗Recurring Deposit (RD)Project the maturity value of regular monthly deposits.Monthly maturity projection↗PPF MaturityEstimate Public Provident Fund growth from annual contributions.15-year projection↗Lump Sum InvestmentProject how a one-time investment may compound over time.Compound growth↗CAGRFind the annualised growth rate between two values.Annualised return↗SWP DurationEstimate how long a portfolio can support fixed monthly withdrawals.Withdrawal sustainability↗Goal SIPCalculate the monthly investment required for a future target.Reverse goal planner↗Emergency FundSet an emergency-fund target from essential monthly expenses.Savings safety net↗GratuityEstimate gratuity from eligible salary and completed service.Service benefit estimate↗HRA ExemptionCompare the three common limits used for HRA exemption.Three-limit comparison↗Take-home SalaryEstimate monthly take-home pay after annual deductions.Monthly salary estimate↗Personal Loan EMICalculate personal-loan EMI, total interest and repayment schedule.Repayment schedule↗Car Loan EMIPlan vehicle-loan EMI, interest and optional prepayments.Vehicle-loan planner↗Education Loan EMIEstimate education-loan EMI and the full interest schedule.Education repayment plan↗Home Loan PrepaymentSee how extra payments may shorten a home loan and reduce interest.Interest-saving comparison↗Reverse GSTRemove GST from a tax-inclusive amount.Tax-inclusive price↗Break-even PointFind the unit sales needed to cover fixed and variable costs.Business planning↗MarkupCalculate markup percentage from cost and selling price.Markup vs margin↗Sales CommissionCalculate percentage commission plus an optional fixed amount.Sales earnings↗
Budgeting
2 toolsBorrowing
2 toolsDebt payoff
2 toolsRetirement
3 toolsInvesting
10 toolsFuture ValueProject one lump sum forward.Live graph & table↗Present ValueDiscount a future amount to today.Live graph & table↗Annuity Future ValueProject equal end-of-period deposits.Live graph & table↗Annuity Present ValueValue equal future payments today.Live graph & table↗Real ReturnAdjust a nominal return for inflation.Live graph & table↗Rule of 72Estimate how long money takes to double.Live graph & table↗Bond Current YieldCompare annual coupon income with bond price.Interactive graph & table↗Mutual Fund ReturnMeasure return after contributions and withdrawals.Interactive graph & table↗Average ReturnFind the arithmetic average of annual returns.Interactive graph & table↗Trading Margin RequirementEstimate cash required for a leveraged position.Interactive graph & table↗
Property
5 toolsRental YieldCompare annual rent with property value.Live graph & table↗Capitalisation RateCompare net operating income with property value.Live graph & table↗Rental Property Cash FlowEstimate monthly property cash flow.Interactive graph & table↗Down PaymentCalculate the upfront amount from a percentage.Interactive graph & table↗Rent vs Buy Break-evenCompare annual rent with ownership costs.Interactive graph & table↗
Loans
5 toolsPaymentFind a regular payment for a financed amount.Interactive graph & table↗Auto LeaseEstimate a monthly vehicle lease payment.Interactive graph & table↗Business LoanEstimate a business-loan monthly payment.Interactive graph & table↗Boat LoanEstimate a boat-loan monthly payment.Interactive graph & table↗Refinance SavingsEstimate gross interest savings from refinancing.Interactive graph & table↗
Planning
3 toolsSavings
1 toolsBuying decisions
2 toolsAccounting
1 toolsNo calculator matches this category. Use “Search all calculators” above for results from every category.
ABOUT THIS COLLECTION
Use finance calculators with context, not guesswork.
Plan repayments, savings, investments and financial goals with transparent assumptions. Compare scenarios before acting and confirm changing rates or rules with an official source.
Open any calculator to see the result, interactive graphic, detailed table, formula, worked example, limitations and FAQs. Your values remain in your browser.
Before you calculate
Which Finance calculator should I use?＋
Start with the task named in each calculator card. You can also search this category by topic or switch to the complete calculator library.
Are these Finance calculators accurate?＋
Each tool applies the formula documented on its page. Accuracy depends on your inputs, units, assumptions and any changing external rules.
Can I use these results for an important decision?＋
Use the result to understand and compare scenarios. Confirm important financial, health, legal or technical decisions with a qualified professional or current official source.
Can I use these calculators on a phone?＋
Yes. Inputs, graphs, tables and content adapt to mobile screens; wide tables can be swiped horizontally.