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All Calculators
Every calculator on Calci.in in one place, grouped by category — finance, health, maths, property, business, baby, fun, everyday, image and PDF tools.
Finance
Open finance →- EMI CalculatorHome, car and personal loan repayments
- SIP CalculatorWhat a monthly investment grows into
- GST CalculatorAdd or remove GST, with the CGST and SGST split
- Income Tax CalculatorNew vs old regime for FY 2026-27
- Tip CalculatorSplit a bill, with the local tipping custom
- FD CalculatorFixed deposit maturity, after tax
- PPF CalculatorFifteen years, entirely tax-free
- RD CalculatorRecurring deposit maturity
- Lumpsum CalculatorWhat a one-time investment grows into
- Compound Interest CalculatorInterest earning interest, at any frequency
- Simple Interest CalculatorInterest on the principal alone
- Car Loan CalculatorEMI, total cost and the flat-rate trap
- CAGR CalculatorThe smoothed annual rate an investment really returned
- SWP CalculatorA monthly income from your mutual fund corpus
- Stock Average CalculatorAverage buy price across purchases, and what it takes to move it
- Inflation CalculatorWhat your money will be worth, and what things will cost
- Savings Goal CalculatorWhat you need to put away each month
- VAT CalculatorAdd or remove VAT at any European rate
- UK Income Tax CalculatorTake-home pay after tax and National Insurance
- 401(k) CalculatorRetirement balance, with the employer match
- Loan Prepayment CalculatorWhat a lump sum or extra EMI actually saves
- Debt Payoff CalculatorAvalanche against snowball, on your actual debts
- HRA Exemption CalculatorThe least of three figures, worked out
- In-Hand Salary CalculatorTake-home pay from your CTC, for FY 2026-27
- Salary Hike CalculatorNew salary from a hike, the hike between two salaries, and the real rise
- Gratuity CalculatorWhat you are owed when you leave, under the labour codes
- PF & Gratuity CalculatorEPF corpus and gratuity payable
- NPS CalculatorCorpus, lump sum and the pension it buys
- Net Worth CalculatorWhat you own, what you owe, and what is actually liquid
- Student Loan CalculatorAmortised repayment, or UK income-contingent
- Currency ConverterWhat you actually receive, after the spread
Health & Fitness
Open health & fitness →- BMI CalculatorBody mass index and your healthy weight range
- TDEE CalculatorEverything you burn in a day, and the targets around it
- BMR CalculatorThe calories your body burns at complete rest
- Calorie CalculatorWhat to eat for your goal, and how long it takes
- Body Fat CalculatorThe US Navy tape method, with lean mass
- Ideal Weight CalculatorFour formulas, and the range they actually agree on
- Protein Intake CalculatorDaily protein by body weight and goal
- Water Intake CalculatorHow much to drink, adjusted for training and climate
- Macros CalculatorProtein, carbs and fat for your goal and diet
- Heart Rate Zone CalculatorTraining zones by age or by heart rate reserve
- Steps to Calories CalculatorWhat your step count actually burns
- Sleep CalculatorBedtimes and wake times that land between cycles
- Blood Pressure CheckerWhat your reading means, and what to do
- Pregnancy Due Date CalculatorDue date, current week and the milestones ahead
- Ovulation CalculatorFertile window and next three cycles
Math
Open math →- Percentage CalculatorEvery percentage question, with the working shown
- Scientific CalculatorTrigonometry, logarithms and powers
- Age CalculatorExact age in years, months and days between any two dates
- Unit ConverterMetric, imperial and Indian units
- Average CalculatorMean, median and mode, with the spread, from any list
- Fraction CalculatorAdd, subtract, multiply and divide fractions
- Ratio CalculatorSimplify, scale and split by a ratio
- GPA & CGPA CalculatorSGPA, CGPA and percentage, weighted by credits
- Attendance CalculatorYour attendance percentage, and the classes that decide it
- Date CalculatorDays between two dates, or add and subtract days from a date
- Hours CalculatorHours between two times, shifts past midnight and decimal hours
Real Estate
Open real estate →- Mortgage CalculatorThe full monthly payment, not just principal and interest
- Loan Affordability CalculatorWhat a lender will actually approve
- Rent vs Buy CalculatorWhich leaves you better off, year by year
- Stamp Duty CalculatorIndian state rates and UK SDLT bands
- Property Tax CalculatorAnnual and monthly, with exemptions applied
- Land Area ConverterBigha, gaj, guntha, acre and hectare, state by state
Business
Open business →- Markup & Margin CalculatorThe two numbers businesses confuse most
- Profit Margin CalculatorGross, operating and net margin
- Break-Even Point CalculatorHow much you must sell to stop losing money
- ROI CalculatorReturn on investment, and what it is worth per year
- Discount CalculatorSale price, savings and stacked offers
- Inventory Turnover CalculatorHow many times your stock sells in a year
- YouTube Money CalculatorEarnings from views, RPM or CPM, in rupees
- GST Invoice GeneratorA tax invoice with CGST, SGST or IGST, as a PDF
Baby
Open baby →Fun
Open fun →Tools
Open tools →- Number to Words ConverterAny number in words, in English and Hindi
- Word CounterWords, characters, reading time and readability
- Case ConverterEleven cases, including the programming ones
- Remove Extra SpacesClean up whitespace, one rule at a time
- URL Encoder & DecoderPercent-encoding for values or whole URLs
- Binary, Decimal & Hex ConverterConvert between number bases, with validation
- JSON Formatter & ValidatorFormat, minify and find the error
- Meta Tag GeneratorTitle, description, Open Graph and Twitter cards
- Time Zone ConverterConvert a time across zones, with daylight saving handled
- Random Number GeneratorReproducible draws from a seed
- Online StopwatchAccurate timing with laps
- Countdown TimerPresets, custom lengths and an alarm
- Password GeneratorCryptographically secure, in your browser
- Color PickerHex, RGB, HSL and contrast checking
- Image to Base64 ConverterData URIs, generated locally
- Typing Speed TestWords per minute, gross and net
- QR Code GeneratorURLs, wifi, contacts and UPI
- HTML, CSS & JS EditorLive preview in a sandbox
- Domain Age CheckerRegistration dates from registry RDAP
- Study TimerFocus sessions and breaks, counted for you
- Bulk Barcode GeneratorCode 128, EAN-13, UPC and more, many at once
- JSON to Excel ConverterNested JSON flattened into a spreadsheet
- GSTR JSON to Excel ConverterGSTR-1, 2A and 2B JSON as readable Excel sheets
Image Tools
Open image tools →- Image Resizer in KBAny target size, smaller or larger, in your browser
- Signature ResizeSignature to 10–20 KB, with exam and PAN presets
- PAN Card Photo ResizePhoto and signature to Protean (NSDL) and UTIITSL specs
- Resize Image to 20 KBPhotos under 20 KB for online application forms
- Increase Image Size in KBRaise a photo to 20, 50 or 100 KB, pixels kept
- MB to KB Converter for PhotosShrink a photo from MB to the KB a form accepts
- WhatsApp DP Size MakerThe whole photo as a DP, no crop, on a blurred or plain background
- Grid Maker for DrawingA grid over any photo, or split it into tiles