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143 calculators that work in your browser, without an account. Every tool shows its method, assumptions and update date.

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Nine focused collections for finance, study, health, construction and everyday decisions.

LoansPlan payments, eligibility, interest, and prepayment choices.22 calculatorsFinance & investmentProject savings, investments, tax, salary, and purchasing power.43 calculatorsBusinessPrice, margin, advertising, commission, and break-even tools.11 calculatorsMath & statisticsEveryday arithmetic, algebra, probability, and descriptive statistics.24 calculatorsEducationGrades, credits, marks, GPA, and sourced CGPA conversions.10 calculatorsHealthGeneral adult screening and planning estimates with clear limitations.8 calculatorsDate & timeAges, differences, durations, workdays, and time-zone conversions.10 calculatorsConstructionEstimate dimensions and common building material quantities.8 calculatorsUtilitiesElectricity bills, energy costs, measurement, currency, and digital storage conversions.7 calculators

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  1. UtilitiesElectricity Bill CalculatorEstimate your electricity bill from units or meter readings, editable slab or flat rates, and optional charges.Utilities
  2. Finance & investmentRent vs Buy Home CalculatorCompare renting with buying a home using equal cash budgets, invested savings, property costs and remaining loan debt.Finance & investment
  3. BusinessFreelancer Hourly Rate & Project Pricing CalculatorWork backwards from your annual income goal to an hourly rate and project quote after unpaid time, expenses and fees.Business
  4. UtilitiesEV vs Petrol Ownership Cost CalculatorCompare purchase, charging, fuel, upkeep and resale costs, with a usage-based break-even check.Utilities
  5. UtilitiesRooftop Solar Savings & Payback CalculatorEstimate rooftop solar savings and payback from your quote, expected generation, tariffs and confirmed subsidy.Utilities
  6. Math & statisticsAP & GP CalculatorFind the nth term and finite sum of an arithmetic or geometric progression, with a term preview and worked steps.Math & statistics
  7. Math & statisticsTriangle SolverSolve SSS, SAS, ASA and AAS triangles: find all sides, angles, area and perimeter with labelled geometry and worked steps.Math & statistics
  8. Finance & investmentCost of Delaying SIP CalculatorCompare starting a monthly SIP now with a delay, and find the higher contribution needed to reach the same target on the same date.Finance & investment
  9. Finance & investmentDirect vs Regular Mutual Fund CalculatorCompare direct and regular mutual fund expense ratios using the same contributions, gross return assumption and investment period.Finance & investment
  10. LoansLoan Prepayment vs Investing CalculatorCompare putting spare cash into your loan or investments, including prepayment charges, remaining debt and reinvested EMIs after early payoff.Loans
  11. BusinessSeller Net-Profit CalculatorPlan profit per dispatched order, break-even selling price and ROAS after fees, ads, shipping, returns and RTO.Business
  12. Math & statisticsQuadratic Equation SolverSolve ax² + bx + c = 0 with real or complex roots, a discriminant, worked steps and substitution checks.Math & statistics
  13. Math & statisticsLinear Equation SolverSolve two- or three-variable simultaneous equations with exact elimination steps and unique, infinite or no-solution results.Math & statistics
  14. EducationTarget CGPA & Semester PlannerFind the grades needed to reach a target CGPA, check your maximum possible result and compare upcoming semester plans.Education
  15. LoansEMI CalculatorEstimate a loan’s monthly instalment, total interest, and full repayment from principal, rate, and tenure.Loans
  16. LoansHome Loan CalculatorPlan a home purchase using property value, down payment, interest rate, tenure, and optional ownership costs.Loans
  17. LoansCar Loan CalculatorTurn an on-road car price and down payment into a monthly EMI and complete borrowing cost.Loans
  18. LoansPersonal Loan CalculatorCompare the EMI and total cost of an unsecured personal loan including a processing fee.Loans
  19. LoansBusiness Loan CalculatorModel a business loan’s repayment and compare its monthly obligation with operating cash flow.Loans
  20. LoansLoan Prepayment CalculatorCompare using a lump-sum prepayment to reduce EMI versus reduce tenure and see interest saved.Loans
  21. LoansLoan Eligibility CalculatorEstimate an affordable loan from income, existing obligations, FOIR, interest rate, and tenure.Loans
  22. LoansInterest Rate CalculatorBack-solve the approximate annual interest rate from loan amount, instalment, and repayment count.Loans
  23. LoansMortgage CalculatorEstimate a home mortgage payment with principal, interest, property tax, insurance, and association costs.Loans
  24. LoansLoan Payment CalculatorCalculate periodic loan payments for monthly, fortnightly, quarterly, or annual schedules.Loans
  25. LoansFlat vs Reducing Rate CalculatorCompare the monthly payment and total interest produced by flat-rate and reducing-balance loans.Loans
  26. LoansEducation Loan EMI CalculatorEstimate education-loan interest during study and moratorium periods before calculating the repayment EMI.Loans
  27. LoansTwo-Wheeler Loan EMI CalculatorCalculate a bike or scooter loan EMI from its on-road price, down payment, rate, tenure, and fees.Loans
  28. LoansGold Loan CalculatorEstimate pledged-gold value, an indicative loan limit, and EMI or bullet-repayment cost using manual rates.Loans
  29. LoansLoan Against Property CalculatorCheck an indicative property-backed loan limit and calculate repayment from manually entered terms.Loans
  30. LoansCredit Card EMI CalculatorEstimate card EMI, processing fee, GST on finance charges, and the complete purchase cost.Loans
  31. LoansCredit Card Payoff CalculatorCalculate how long a fixed monthly payment takes to clear a card balance and how much interest it costs.Loans
  32. LoansLoan Amortization CalculatorSee how payment, principal, interest, and outstanding balance change across a loan term.Loans
  33. LoansHome Loan Balance Transfer CalculatorCompare the remaining cost of an existing home loan with a lower-rate transfer after fees.Loans
  34. LoansAPR CalculatorEstimate a loan’s true annual percentage rate after upfront fees reduce the money received.Loans
  35. LoansDebt Payoff CalculatorCompare debt avalanche and snowball payoff plans using balances, rates, minimums, and an extra payment.Loans
  36. Finance & investmentSIP CalculatorCompare SIP and lump-sum growth with step-up, inflation-adjusted, and real-return views.Finance & investment
  37. Finance & investmentCompound Interest CalculatorCalculate compound growth using configurable contribution, frequency, rate, and term.Finance & investment
  38. Finance & investmentSimple Interest CalculatorFind simple interest and maturity value without compounding.Finance & investment
  39. Finance & investmentFD CalculatorEstimate fixed-deposit maturity and interest for common compounding schedules.Finance & investment
  40. Finance & investmentRD CalculatorEstimate a recurring deposit’s maturity from regular monthly contributions and compounding.Finance & investment
  41. Finance & investmentPPF CalculatorProject Public Provident Fund balances using annual deposits and a clearly dated reference rate.Finance & investment
  42. Finance & investmentNPS CalculatorEstimate an NPS retirement corpus, lump sum, annuity allocation, and indicative pension.Finance & investment
  43. Finance & investmentInflation CalculatorTranslate today’s cost or purchasing power into future and past values after inflation.Finance & investment
  44. Finance & investmentROI CalculatorMeasure investment gain or loss as a percentage of total cost.Finance & investment
  45. Finance & investmentCAGR CalculatorFind the annualised growth rate between a beginning value and ending value.Finance & investment
  46. Finance & investmentInvestment CalculatorCombine an initial investment and regular contributions into a long-term growth projection.Finance & investment
  47. Finance & investmentSalary CalculatorEstimate CTC-to-in-hand salary and compare old versus new Indian income-tax regimes.Finance & investment
  48. Finance & investmentGST CalculatorAdd or remove GST and split the tax into indicative intra-state or inter-state components.Finance & investment
  49. Finance & investmentLump Sum CalculatorProject the future value and estimated return from a one-time investment.Finance & investment
  50. Finance & investmentSWP CalculatorModel regular monthly withdrawals and the remaining balance of an invested corpus.Finance & investment
  51. Finance & investmentMutual Fund Returns CalculatorEstimate growth from an initial mutual-fund investment, monthly additions, or both.Finance & investment
  52. Finance & investmentSukanya Samriddhi Yojana CalculatorProject SSY deposits and maturity using a visible, dated reference rate.Finance & investment
  53. Finance & investmentEPF CalculatorProject employee and employer EPF contributions, interest, and retirement balance.Finance & investment
  54. Finance & investmentHRA CalculatorEstimate old-regime HRA exemption from salary, HRA received, rent, and city type.Finance & investment
  55. Finance & investmentRetirement CalculatorEstimate a retirement corpus, future expenses, savings shortfall, and monthly saving target.Finance & investment
  56. Finance & investmentNSC CalculatorEstimate five-year National Savings Certificate maturity and accrued interest.Finance & investment
  57. Finance & investmentStep-Up SIP CalculatorProject a monthly SIP that increases by a chosen percentage each year.Finance & investment
  58. Finance & investmentIncome Tax CalculatorCompare estimated old- and new-regime income tax using Tax Year 2026–27 rules.Finance & investment
  59. Finance & investmentGratuity CalculatorEstimate gratuity from last-drawn eligible monthly wages and completed service.Finance & investment
  60. Finance & investmentAtal Pension Yojana CalculatorLook up the official monthly APY contribution by joining age and guaranteed pension slab.Finance & investment
  61. Finance & investmentBrokerage CalculatorEstimate equity trade brokerage, statutory charges, and net profit or loss.Finance & investment
  62. Finance & investmentTrading Margin CalculatorEstimate required funds, financed exposure, and surplus or shortfall for a leveraged trade.Finance & investment
  63. Finance & investmentTDS CalculatorCalculate tax deducted at source and the net payment using the applicable rate you enter.Finance & investment
  64. Finance & investmentPost Office Monthly Income Scheme CalculatorEstimate monthly income and total interest from a Post Office MIS deposit.Finance & investment
  65. Finance & investmentSenior Citizens Savings Scheme CalculatorEstimate quarterly SCSS income and total interest using a dated reference rate.Finance & investment
  66. Finance & investmentStock Average CalculatorFind the weighted average share price after two purchases.Finance & investment
  67. Finance & investmentXIRR CalculatorCalculate an annualised return for irregular, dated investments and receipts.Finance & investment
  68. Finance & investmentGoal SIP CalculatorBack-solve the monthly SIP needed to reach a target corpus after accounting for current investments.Finance & investment
  69. Finance & investmentSTP CalculatorProject systematic monthly transfers between a source investment and a destination investment.Finance & investment
  70. Finance & investmentELSS CalculatorProject an illustrative ELSS SIP or lump-sum investment while keeping the statutory lock-in visible.Finance & investment
  71. Finance & investmentNPV CalculatorDiscount a sequence of annual cash flows and compare their present value with the initial investment.Finance & investment
  72. Finance & investmentPresent Value CalculatorCalculate what a future amount is worth today at a chosen discount rate and compounding frequency.Finance & investment
  73. Finance & investmentFuture Value CalculatorProject a starting amount and regular contributions using a chosen rate, term, and frequency.Finance & investment
  74. Finance & investmentCapital Gains Tax CalculatorEstimate Indian capital gains and tax using the selected post-23 July 2024 treatment and visible assumptions.Finance & investment
  75. Finance & investmentAdvance Tax CalculatorEstimate cumulative Indian advance tax due at each statutory instalment after TDS and tax credits.Finance & investment
  76. BusinessProfit Margin CalculatorCalculate gross profit and margin from revenue and cost.Business
  77. BusinessMarkup CalculatorConvert cost and selling price into markup, margin, and gross profit.Business
  78. BusinessBreak-Even CalculatorFind the sales units and revenue required to cover fixed and variable costs.Business
  79. BusinessROAS CalculatorMeasure advertising revenue against spend and compare it with a target return.Business
  80. BusinessCommission CalculatorCalculate tier-free sales commission, net proceeds, and effective commission rate.Business
  81. BusinessDiscount CalculatorFind the final price, amount saved, and combined effect of two successive discounts.Business
  82. BusinessTip CalculatorSplit a bill, tip, and optional service charge fairly between people.Business
  83. BusinessSales Tax CalculatorAdd or extract a general sales-tax amount from a price.Business
  84. BusinessVAT CalculatorCalculate VAT-inclusive and VAT-exclusive prices for a chosen rate.Business
  85. Math & statisticsPercentage CalculatorSolve common “what percent,” “percent of,” and “value from percentage” questions.Math & statistics
  86. Math & statisticsPercentage Increase / Decrease CalculatorMeasure percentage increase or decrease between an original and new value.Math & statistics
  87. Math & statisticsPercentage Difference CalculatorCompare two values symmetrically using their average as the reference.Math & statistics
  88. Math & statisticsFraction CalculatorAdd, subtract, multiply, or divide fractions and simplify the result.Math & statistics
  89. Math & statisticsRatio CalculatorSimplify ratios and scale a known ratio to a target total or term.Math & statistics
  90. Math & statisticsProbability CalculatorCalculate single-event, union, intersection, complement, and repeated-event probabilities.Math & statistics
  91. Math & statisticsAverage CalculatorCalculate the arithmetic mean and total for a list of numbers.Math & statistics
  92. Math & statisticsMean / Median / Mode CalculatorSummarise a data set using mean, median, modes, range, and count.Math & statistics
  93. Math & statisticsStandard Deviation CalculatorCalculate population or sample standard deviation and variance.Math & statistics
  94. Math & statisticsVariance CalculatorMeasure population or sample variance from a numerical data set.Math & statistics
  95. Math & statisticsStandard Error CalculatorCalculate the standard error of a mean from a sample deviation and sample size.Math & statistics
  96. Math & statisticsZ-Score CalculatorStandardise a value using a known mean and standard deviation.Math & statistics
  97. Math & statisticsPermutation & Combination CalculatorCount ordered permutations and unordered combinations for n objects chosen r at a time.Math & statistics
  98. Math & statisticsLCM & GCD CalculatorFind the least common multiple and greatest common divisor of integers.Math & statistics
  99. Math & statisticsScientific CalculatorEvaluate common trigonometric, exponential, logarithmic, and rounding operations safely.Math & statistics
  100. Math & statisticsExponent / Power CalculatorRaise a base to a positive, negative, fractional, or zero exponent.Math & statistics
  101. Math & statisticsSquare Root CalculatorFind real or complex principal square roots, distinguish both equation solutions, and check perfect squares.Math & statistics
  102. Math & statisticsLogarithm CalculatorCalculate logarithms with base 10, e, 2, or a custom positive base other than one, with the working shown.Math & statistics
  103. Math & statisticsVolume CalculatorCalculate volume for boxes, cylinders, spheres, cones, and other common solids.Math & statistics
  104. Math & statisticsCubic Feet CalculatorConvert length, width, height, and quantity into cubic feet and cubic metres.Math & statistics
  105. EducationCGPA CalculatorCalculate weighted CGPA from course grades and credits.Education
  106. EducationGPA CalculatorCalculate term GPA using configurable grade points and course credits.Education
  107. EducationGrade CalculatorCalculate a weighted course grade and the score needed on remaining work.Education
  108. EducationMarks / Percentage CalculatorTurn subject marks into obtained marks, total marks, and overall percentage.Education
  109. EducationCGPA to Percentage ConverterConvert CGPA with a custom multiplier you have verified for your programme; university-specific rules are available in a separate tool.Education
  110. EducationGPA to Percentage ConverterConvert a GPA scale to an indicative percentage with the method shown explicitly.Education
  111. EducationUniversity-Specific CGPA CalculatorsUse versioned, sourced conversion formulas only for supported Indian universities and boards.Education
  112. EducationSGPA CalculatorCalculate semester grade point average from course credits and grade points on a chosen scale.Education
  113. EducationAttendance CalculatorCalculate attendance percentage, classes required to reach a target, and classes that can be missed safely.Education
  114. HealthBMI CalculatorCalculate adult body mass index and show the standard screening category.Health
  115. HealthBMR CalculatorEstimate basal metabolic rate using the Mifflin–St Jeor equation.Health
  116. HealthTDEE CalculatorEstimate total daily energy expenditure from BMR and activity level.Health
  117. HealthCalorie CalculatorEstimate maintenance and indicative weight-change calorie targets.Health
  118. HealthIdeal Weight CalculatorCompare several adult ideal-weight formulas as rough reference ranges.Health
  119. HealthBody Fat CalculatorExplore a legacy circumference-based body-fat estimate, with the exact equations and their limits.Health
  120. HealthMacro CalculatorSplit a daily calorie target into protein, carbohydrate, and fat grams.Health
  121. HealthWater Intake CalculatorExplore an illustrative fluid calculation from weight, activity and heat assumptions—not a personal drinking requirement.Health
  122. Date & timeAge CalculatorCalculate exact age in years, months, and days on a chosen date.Date & time
  123. Date & timeDate CalculatorFind a calendar date a specified number of days, weeks, months, or years away.Date & time
  124. Date & timeDate Difference CalculatorMeasure elapsed calendar and total time between two dates.Date & time
  125. Date & timeDate Add / Subtract CalculatorAdd or subtract a precise mix of years, months, weeks, and days from a date.Date & time
  126. Date & timeAge Difference CalculatorCompare two birth dates and calculate the exact age gap.Date & time
  127. Date & timeTime CalculatorAdd or subtract clock times and durations across midnight.Date & time
  128. Date & timeTime Duration CalculatorCalculate elapsed hours and minutes between two clock times.Date & time
  129. Date & timeCountdown CalculatorShow the live time remaining until a chosen local date and time.Date & time
  130. Date & timeWorking & Business Days CalculatorCount weekdays between dates with configurable weekends and manually entered holidays.Date & time
  131. Date & timeTime Zone ConverterConvert a date and time between browser-supported IANA time zones without a network request.Date & time
  132. ConstructionArea CalculatorCalculate area for rectangles, circles, triangles, trapezoids, and other common shapes.Construction
  133. ConstructionSquare Footage CalculatorTotal the square footage of one or more rectangular spaces.Construction
  134. ConstructionConcrete CalculatorEstimate wet concrete volume, dry-volume allowance, and common material quantities.Construction
  135. ConstructionBrick CalculatorEstimate brick count from wall and brick dimensions, mortar allowance, and wastage.Construction
  136. ConstructionTile CalculatorEstimate tile quantity, box count, coverage, and wastage for a surface.Construction
  137. ConstructionPaint CalculatorEstimate paint litres from wall area, openings, coverage, coats, and wastage.Construction
  138. ConstructionFlooring CalculatorEstimate flooring packs and cost from room area, pack coverage, and wastage.Construction
  139. ConstructionRoof Area CalculatorEstimate sloped roof area from footprint, pitch, overhang, and roof form.Construction
  140. UtilitiesFuel Cost CalculatorEstimate trip fuel, fuel cost, tolls, passengers, and return-journey cost using manual values.Utilities
  141. UtilitiesUnit ConverterConvert common length, mass, temperature, area, volume, speed, and pressure units locally.Utilities
  142. UtilitiesCurrency ConverterConvert currencies using bundled dated reference rates or a user-entered exchange rate.Utilities
  143. UtilitiesData Storage / Data Unit ConverterConvert decimal and binary data units from bits through petabytes.Utilities

Useful answers need visible limits.

Financial projections are not promises. Health estimates are not diagnoses. University rules are attached to a scheme and source. That context ships with the answer.

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