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Explore 184 fast, accurate, beautifully designed calculators — finance, loans, tax, health, education and everyday math.
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Financial67 calculatorsInterest, investments, savings and tax tools.Trading26 calculatorsPosition sizing, risk, options and trade-analytics tools.Education24 calculatorsMarks, grades and percentage conversions.Loans & Mortgage23 calculatorsRepayments, EMIs and amortisation schedules.Health & Fitness13 calculatorsBMI, calories, metabolism and body metrics.Everyday Life12 calculatorsDates, ages, cooking, home utilities and daily-life tools.Travel9 calculatorsTrip budgets, fuel costs, visa day-counting, layovers and jet lag.MathPercentages, fractions, geometry, algebra and number tools.
More categories: Physics·Fuel & Vehicle
Collections
Planning to Buy a Home?5 calculatorsWork out what you can borrow, your EMI, and how prepaying saves interest.Retirement & FIRE6 calculatorsBuild a corpus, plan withdrawals, and find your financial-independence number.Salary & Tax (India)5 calculatorsDecode your CTC, compare tax regimes, and check HRA and GST.Ethanol Fuel Calculators (India)3 calculatorsWork out your E20 mileage loss, compare petrol, E20, CNG and EV running costs, and see what is in an ethanol blend.For College Students5 calculatorsConvert grades, track attendance, and crunch percentages.Health Check5 calculatorsBody composition and daily targets, from BMI to water intake.
Popular calculators
- Compound InterestFuture value, total interest and APY with optional regular deposits, withdrawals and a full breakdown.
- EMIEquated monthly instalment, total interest and total cost for home, car and personal loans, with a full amortisation schedule and principal-vs-interest breakdown.
- Tax RegimeCompare India's old and new income tax regimes for FY 2025-26, see your tax under both, your savings, and which regime to choose.
- BMIBody mass index from height and weight, with healthy-range guidance.
- SIPProject the maturity value, total invested and estimated returns of a monthly SIP (systematic investment plan) in a mutual fund, with a year-by-year growth chart.
- PercentageWork out what is X% of Y, what percent one number is of another, and the percentage increase or decrease between two values.
New this week
- NEET Cutoff HistoryLook up NEET-UG qualifying percentile and cutoff marks by year (2020-2026) and category, check if your score clears it, and estimate your NTA percentile.
- JEE Marks to PercentileWork out your exact JEE Main NTA percentile from session candidate counts and estimate your All India Rank (AIR).
- Study HoursPlan study time before an exam: enter days left, rest days, subjects and hours per subject to get how many hours a day you must study — and whether it's feasible.
- Board % NeededFind the percentage you must score in your board / final exam to hit your target overall aggregate, given your internal marks and the board exam's weight.
- JEE Percentile to RankEstimate your probable JEE Main All India Rank from your NTA percentile score and the total number of candidates who appeared.
- NEET Counselling FeeWork out the MCC NEET-UG counselling registration fee and refundable security deposit for AIQ/Government, Deemed, or both streams, split by reservation category.
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Frequently asked questions
- Are the calculators free?
- Yes — every calculator on TheCalculatorHive is free to use, with no sign-up or account required.
- Do I need to create an account?
- No. Every tool works instantly with no account or sign-up. The numbers you enter are sent to a stateless calculation API only to generate your result and are not stored afterwards, and shareable result links encode those numbers in the URL itself. See our Privacy Policy for details.
- How accurate are the results?
- Each calculator uses verified formulas with cited sources, and the math is covered by an automated test suite. Results are for general guidance, not professional financial, tax, or medical advice.
- Can I bookmark or share a result?
- Yes. Use the “Copy link” button on any calculator — the link reproduces your exact inputs so you (or anyone) can reopen the same calculation.
- Can I suggest a calculator?
- Absolutely — use the Contact page. We add new calculators regularly across finance, loans, tax, health, education and math.