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💳Loan EMI
Monthly installment for any home, car, or personal loan.
⚖️BMI
Body mass index in metric or imperial with category.
🏠Mortgage
Home loan with taxes, insurance, and amortization.
📊Percentage
Percent of, increase, decrease, and difference.
📈Compound interest
Future value of investments with regular contributions.
🔥Calorie needs
Daily calories based on age, sex, and activity level.

💰Finance

53 calculators
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💳Loan EMIMonthly installment 🏠MortgageHome loan 🏡Home loanINR home loans 🚗Car loanAuto financing 💰Personal loanUnsecured 📈Compound interestInvestment growth 📊SIP returnsMutual funds 🏦Fixed depositFD maturity

🏦Banking

43 calculators
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💰Savings interestDaily-balance method 🧾Tax-saver FD5-yr, 80C 👴Senior citizen FD+0.5% rate ⚠️Min-due trapCredit card 📊Credit utilizationCIBIL impact 💸NEFT / RTGS / UPITransfer fees 🌍NRE vs NRO FDNRI taxation 📋Form 15G / 15HNo-TDS eligibility

🏃Health & fitness

15 calculators
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⚖️BMIBody mass index 🔥Calorie needsDaily intake 💪Body fatComposition ⚡BMRBasal metabolism 🎯Ideal weightFor your height 🥗MacrosProtein, carbs, fat 😴Sleep cycle90-min cycles ❤️Heart rate zonesKarvonen 🤰Due datePregnancy

🔢Math

45 calculators
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📊Percentage% calculations ➗FractionAdd, subtract, simplify 🧮ScientificTrig, logs, powers 📉Standard deviationStatistics 📐QuadraticSolve equations 🔢GCD & LCMNumber theory 🎲ProbabilityLikelihood 📊Mean / median / modeBasic stats 📈Slope2 points → m, b 📐Trigonometrysin / cos / tan

🔄Conversion

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📏Lengthcm, ft, m, in 🏋️Weightkg, lb, oz, g 🌡️Temperature°C, °F, K 💱CurrencyLive exchange 🗺️AreaSqft, sqm, acre 🧪VolumeLitres, gallons 🏎️Speedkm/h, mph, knots 🌐Time zonesWorld clock

📅Date & time

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🎂AgeYears, months, days 📅Date differenceBetween two dates ⏳Days untilCountdown 💼Work daysBusiness days ⏱️Time durationHours, minutes ➕Add or subtractDate arithmetic ⏱️Stopwatch & timerIn-browser 🗂️Time cardWeekly hours

🇮🇳India specific

40 calculators
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🧾Income taxOld vs new regime 🧾GSTTax + reverse calc 🏠HRA exemptionSalary deduction 🏦PPF15-yr maturity 🇮🇳NPSPension corpus 🏛️EPFProvident fund 🤝GratuityEnd-of-service ⚖️Old vs new regimeCompare tax

🛠️Utility

24 calculators
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⬛QR code generatorAny URL or text 🔐PasswordStrong & random 📝Create resumeATS-friendly ✉️Cover letterFor job apps 🔢Word counterChar + word + line 🔤Text caseUpper / lower / title 🔁Base64Encode / decode 😂Meme generatorAdd caption

💻Developer Tools

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📋JSON formatterPretty + validate 🔍Regex testerLive match 🆔UUID generatorv1, v4, v7 ⏲️Cron expressionBuild & explain 🕐Unix timestampTo / from ISO 📝Markdown → HTMLLive preview 🏷️Meta tagsSEO & OG 💄Code beautifierMinify / format

🏘️Real Estate

9 calculators
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🏢Cap rateNOI / value 📊Rental yieldGross & net 🏠Property taxCity-wise 📈AppreciationFuture value 🏗️Construction costIndia per-sqft 📐Plot areaIndian units 📐Carpet vs built-upRERA 🔥Affordability heatmapHow much loan

💼Business / Marketing

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📊Break-evenUnits & revenue 💼CACAcquisition cost 💼LTVCustomer lifetime value 📈Conversion rateFunnel % 🧪A/B testStatistical significance 💹MRR / ARR & churnSaaS metrics 🧾InvoiceGenerator 📋QuotationEstimate / quote

🏗️Construction / Engineering

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🧱CementBags needed 🧱BrickCount for a wall ⚙️Steel weightRods & plates 🎨PaintLitres needed 🟫FlooringTiles count 🪜StaircaseRiser & tread ☀️Solar panelkW sizing 💧Water tankCapacity

⚗️Chemical

6 calculators
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⚗️Equation balancerStoichiometry ⚛️ElementsSymbols & weights 🧪Molar massFrom formula 🧪pH / pOH[H⁺] & [OH⁻] 🧪MolarityMass ↔ M ↔ dilution 💨Ideal gas (PV=nRT)Solve any var

🔐Security

12 calculators
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🔐PassphraseMemorable + strong 🔢PIN code4–8 digits 🔑API key32–64 bytes 🔑API tokenHex / base64 🔑Bearer tokenOAuth-style 🔑JWT tokenHS256 demo 🔐Webhook secretHMAC signing #️⃣HashMD5 / SHA-256

📈Traders

7 calculators
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⚖️Risk-to-rewardR:R per trade 📏Position sizeRisk % 📓Trading journalLog & review 📈Swing tradingStrategy 🌀Fibonacci levelsRetracement 🎲Monte CarloRun simulations 🧠Trader typesPro vs beginner 📊Stock brokerageIndia P&L

📄Company letters

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📝Offer letterJob offer 🗓️AppointmentJoining letter 🎯ExperienceFor ex-employees 👋RelievingLast-working-day 💼Salary certificateFor loans / visa ✅NOC letterNo-objection 📜AuthorityDelegate signatory 📋Board resolutionOpen accounts etc.

🎲Games

17 calculators
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🎲Dice rollAny sides / count 🪙Coin flipMultiple flips 🎰Lottery numbersPick-N from M 🧩SudokuSolver / puzzles ⌨️Typing tutorWPM & accuracy ♠️Blackjack strategyBasic chart 🃏Poker handRank & equity 🔀ShuffleRandom order

🚗Automotive

13 calculators
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⛽Fuel costTrip total 🔄MPG ↔ km/L4-way converter 📉Car depreciationResale value 🔌EV vs petrolPayback years 🚛Towing capacityTongue + payload

🍳Cooking

12 calculators
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📏Recipe scalingAny servings 🌡️Oven temperature°F ↔ °C ↔ gas 🍖Meat cooking timeBy weight ☕Coffee brew ratio1:14, 1:16, 1:18 🍕Pizza doughBaker percentages

🤰Pregnancy & Baby

10 calculators
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📅Conception dateFrom LMP or due date 🤰Pregnancy weekCurrent GA + trimester 🍼Baby formula amountDaily mL by weight 👶Baby ageMonths + days 📊Baby weight percentileWHO 0–24 mo

🎓Education

10 calculators
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🎓GPA4.0 scale ⚖️Weighted gradeBy assignment weight 🎯Final grade neededTo hit target 📚Semester GPA+ cumulative 📅Attendance %Threshold + margin

⚡Electrical

12 calculators
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⚡Ohm's lawV = I × R 🔋Watts / amps / voltsDC + AC 🌈Resistor color code4 / 5 bands 💡LED resistorSeries sizing 📏Voltage dropBy AWG + length

🔌Energy & Utility

9 calculators
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🔌Electricity billSlab tariffs 🧊Appliance costPer month / year ❄️AC tonnageBy room sqft ☀️Solar paybackYears to break even 🔋EV home chargingCost per km

🚀Startup

21 tools
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💰Startup valuationPre/post-money 🥧Equity dilutionMulti-round 🎯ESOP poolPool shuffle 📄SAFE conversionYC post-money 📜Convertible noteCap + discount 🔥Burn rate & runwayMonths left ⏳Founder vesting4-yr cliff 📈CAC / LTVRatio + payback 📊Cap tableMulti-stakeholder 🚀IRR & MoMInvestor returns 📅MRR / ARR growthT2D3 projection ✨SaaS magic numberSales efficiency ⚖️Rule of 40Growth + profit 🤝Co-founder agreementTemplate 📑SAFE agreementYC template 📋Term sheetPriced round 📜Shareholders (SHA)Template 📄Share purchase (SPA)Definitive doc 🎁ESOP grant letterOption grant 🧑‍💼Advisor (FAST)0.25–1% 🔒Mutual NDATwo-way

💼Business ideas

105 businesses
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🐄Dairy farmingInvestment + project report 🐐Goat farmingLower capex 🐔Poultry farmingBroilers + layers 🐟Fish farmingPond aquaculture 🐝Bee keepingHoney + pollination 🌱Hydroponic farmingNFT / DWC 🍄Mushroom farmingButton + oyster 🥬Organic vegetablesPremium retail 🪱VermicompostWholesale & retail 🌹FloriculturePolyhouse / open 🍱Tiffin serviceHome-kitchen scale 🍞BakeryBread + cakes + cookies 🌾Flour millCustom milling ☕Tea stallCart + footfall 🪔Agarbatti makingMachine + manual 💇Salon & parlourChairs × services/day 🏋️Gym & fitnessMembers × monthly fee 🧺Laundry serviceKg/day × per-kg price 📦Courier franchiseParcels/day × charge 📸Photography studioShoots/month × ticket 🎉Event managementEvents/month × margin 💻Computer trainingStudents/batch × fee 📚Tutoring & coachingStudents × monthly fee 📱Mobile repairRepairs/day × charge 🚗Car washWashes/day × ticket 📺YouTube channelSubs × RPM × videos 🛒DropshippingOrders × AOV × supplier % 🖼️Print on demandPOD base + ad spend ✍️Affiliate blogTraffic × CVR × commission 📱Instagram influencerFollowers × deal value 🛍️E-commerce storeOrders × AOV × margin 🚚Food truckMeals/day × ticket 🍳Cloud kitchenOrders/day × aggregator % 📦Subscription boxSubs × MRR × churn 💼Digital marketing agencyClients × retainer 🧼Soap makingBars/day × price 🕯️Candle makingPieces/day × price 🛍️Paper bagBags/day × wholesale 🧶Jute productsItems/day × wholesale 👜Leather goodsPieces/month × price 🫓Papad makingKg/day × wholesale 🥒Pickle makingJars/month × price 🧂Spice grindingKg/day × wholesale 🍿Packaged snacksKg/day × wholesale 🌶️Masala powderKg/day × wholesale 🐇Rabbit farmingDoes × kits × sell weight 🐦Quail farmingBirds × eggs + meat 🦆Duck farmingBirds × dual eggs + meat 🐖Pig farmingSows × piglets × weight 🦐Prawn / shrimpPond × density × harvest 🐌Snail farmingHeliciculture niche 🪡SericultureDFLs × cocoon × price 💜Lavender farmingAcres × oil yield × price 🐲Dragon fruitPlants × fruit × price 🥦Exotic vegetablesPolyhouse t/acre × premium 💊Pharmacy / medical storeScripts/day × basket 🔬Diagnostic labTests/day × price 🦷Dental clinicChairs × patients × ticket 🧘Physiotherapy clinicSessions/day × ticket 🧘‍♀️Yoga studioMembers × monthly fee 🌿Ayurveda clinicConsults + panchakarma 💆Spa & wellnessRooms × sessions × ticket 👴Old age homeBeds × occupancy × fee 👶Daycare / crecheKids × monthly fee 🧠Mental health counselingSessions × ticket 🍽️Restaurant (dine-in)Covers × ticket × food % ☕Cafe / coffee shopCups+pastries × ticket 🍦Ice cream parlourScoops/day × ticket 🥤Juice barGlasses/day × ticket 🍱Catering serviceEvents × pax × ticket 🍬Sweet shop (mithai)Kg/day × price 💧Mineral water plantLitres/day × margin 🧈Dairy productsMilk-kg → paneer + ghee 🔧Auto repair garageJobs/day × ticket 🛞Tyre shopTyres/day × margin ⛽Petrol pumpLitres/day × OMC margin 🔌EV charging stationkWh × tariff diff 🚕Cab / taxi fleetCabs × km × per-km rev 🏍️Bike rentalFleet × utilisation × rate 🏘️Real estate brokerageDeals × value × commission 🛏️PG / paying guestRooms × occupancy × fee 🪑Co-working spaceSeats × occupancy × fee 🏖️Vacation rental / AirbnbNights × ADR × OTA % 🎨Interior design firmProjects × fee × markup 🐜Pest controlVisits × ticket × chemical 🧸Preschool / playschoolKids × fee × ratio 🎓Montessori schoolAMI/AMS premium fee 🎵Music academyStudents × monthly fee 💃Dance studioStudents × monthly fee 🚦Driving schoolStudents × course fee 🗣️Language coachingStudents × monthly fee ✂️Boutique & tailoringPieces/month × charge 👕Garment manufacturingUnits/day × wholesale 🪡Embroidery & zardosiPieces × charge × thread 👞Footwear & shoemakingPairs/day × wholesale 🧵Handloom weavingMetres/day × price 🚀SaaS startupCustomers × ACV × churn 📲Mobile app developmentProjects × ticket × dev 🌐Web design agencyProjects + retainers 🔐Cybersecurity consultingRetainers + pen-tests 🤖AI startupAPI calls × revenue 🐶Pet shopItems × ticket + live-pet ✂️Pet groomingSessions/day × ticket 🏠Pet boarding kennelKennels × occupancy × rate 🩺Veterinary clinicConsults + procedures 📚All businessesView 105 ideas

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