[{"data":1,"prerenderedAt":579},["ShallowReactive",2],{"shelf-free-online-calculators":3},{"tools":4,"picks":543,"groups":550},[5,19,29,37,46,53,60,67,76,84,91,100,108,115,123,131,138,145,153,160,167,174,181,188,195,202,209,216,223,230,237,245,252,259,266,273,280,287,294,301,308,317,324,331,338,345,352,359,366,373,380,388,395,402,409,416,423,430,437,444,451,458,465,472,479,486,493,500,507,514,521,528,535],{"slug":6,"name":7,"tagline":8,"domain":9,"tags":10,"shelves":14},"agecalc-pro","AgeCalc Pro","Age and body-metric calculators in the browser","myagecalc.io",[11,12,13],"calculator","no-signup","privacy",[15,16,17,18],"health-calculators","free-online-calculators","no-signup-tools","privacy-first-tools",{"slug":20,"name":21,"tagline":22,"domain":23,"tags":24,"shelves":27},"assetdropper","AssetDropper","Vehicle depreciation calculator with charts and comparisons","assetdropper.com",[11,25,26],"planner","text",[28,16],"free-finance-calculators",{"slug":30,"name":31,"tagline":32,"domain":33,"tags":34,"shelves":35},"astrumchart","AstrumChart","Birth chart and astrology calculator with interpretations","astrumchart.com",[11,13,26],[36,16,18],"lifestyle-tools",{"slug":38,"name":39,"tagline":40,"domain":41,"tags":42,"shelves":44},"babybump","BabyBump","Baby and pregnancy calculators with planning tools","babycalchub.com",[11,43,25,26],"generator",[45,16],"parenting-tools",{"slug":47,"name":48,"tagline":49,"domain":50,"tags":51,"shelves":52},"birthdaybump","BirthdayBump","Birthday insights, age, and countdown calculator","birthdaybump.com",[11,12,13],[36,16,17,18],{"slug":54,"name":55,"tagline":56,"domain":57,"tags":58,"shelves":59},"bloodtyper","BloodTyper","Blood type reference with child prediction and compatibility charts","bloodtypeguide.com",[11],[15,16],{"slug":61,"name":62,"tagline":63,"domain":64,"tags":65,"shelves":66},"budgetbuddy","BudgetBuddy","Budget calculator and expense tracker with 50\u002F30\u002F20 breakdown","easybudget.io",[11,25,13],[28,16,18],{"slug":68,"name":69,"tagline":70,"domain":71,"tags":72,"shelves":74},"calcshapes","CalcShapes","Geometry and measurement calculators for shapes and coordinates","calcshapes.com",[11,73],"learning",[75,16],"free-tools-for-students",{"slug":77,"name":78,"tagline":79,"domain":80,"tags":81,"shelves":83},"calcumaster","CalcuMaster","Learn calculus with visual calculators and steps","calcviz.com",[11,73,82],"video",[75,16],{"slug":85,"name":86,"tagline":87,"domain":88,"tags":89,"shelves":90},"calcwise","CalcWise","Financial calculators for loans, mortgages, and investing","calcwiser.com",[11,25,12],[28,16,17],{"slug":92,"name":93,"tagline":94,"domain":95,"tags":96,"shelves":98},"cardcraft-pro","CardCraft Pro","Invitation maker with RSVP tracking and planning extras","cardcraftpro.com",[97,25,11,12,13],"image",[99,16,17,18],"free-design-tools",{"slug":101,"name":102,"tagline":103,"domain":104,"tags":105,"shelves":106},"cookconvert","CookConvert.io","Cooking calculator for measurement and ingredient conversions","cookmeasure.com",[11,26],[107,16],"home-diy-tools",{"slug":109,"name":110,"tagline":111,"domain":112,"tags":113,"shelves":114},"cookhelper","CookHelper","Cooking calculators and ingredient substitution tools","mycookhelper.com",[11,26],[107,16],{"slug":116,"name":117,"tagline":118,"domain":119,"tags":120,"shelves":121},"coordkit","CoordKit","Geography tools for distance, time zones, and coordinates","coordkit.com",[11,25,26],[122,16],"travel-planning-tools",{"slug":124,"name":125,"tagline":126,"domain":127,"tags":128,"shelves":129},"datemath-pro","DateMath Pro","Date calculations for ranges, business days, and recurrences","datemathpro.com",[11,25,13,12],[130,16,17,18],"free-online-utilities",{"slug":132,"name":133,"tagline":134,"domain":135,"tags":136,"shelves":137},"elementia","Elementia","Interactive periodic table with chemistry calculators","periodiqa.com",[73,11],[75,16],{"slug":139,"name":140,"tagline":141,"domain":142,"tags":143,"shelves":144},"familybonds","FamilyBonds","Family relationship calculator with visual paths","familybonds.app",[11,73],[36,16],{"slug":146,"name":147,"tagline":148,"domain":149,"tags":150,"shelves":152},"familytreecraft","FamilyTreeCraft","Drag-and-drop family tree builder with templates","familytreecraft.com",[97,151,25],"pdf",[99,16],{"slug":154,"name":155,"tagline":156,"domain":157,"tags":158,"shelves":159},"fitforge","FitForge","Fitness calculators for training and nutrition tracking","fitcalckit.com",[11,25,12],[15,16,17],{"slug":161,"name":162,"tagline":163,"domain":164,"tags":165,"shelves":166},"frackit","FracKit","Calculate and convert fractions and decimals","fracmath.com",[11,26],[75,16],{"slug":168,"name":169,"tagline":170,"domain":171,"tags":172,"shelves":173},"fuelwise","FuelWise","Estimate fuel costs and track MPG","fuelcostpro.com",[11,25],[28,16],{"slug":175,"name":176,"tagline":177,"domain":178,"tags":179,"shelves":180},"gradewise","GradeWise","Grade and GPA calculators for students","getgradewise.com",[11,12,73],[75,16,17],{"slug":182,"name":183,"tagline":184,"domain":185,"tags":186,"shelves":187},"hostrev","HostRev","Short-term rental revenue calculator with seasonal modeling","vacationrev.com",[11,25],[28,16],{"slug":189,"name":190,"tagline":191,"domain":192,"tags":193,"shelves":194},"hourscalc","HoursCalc","Hours and time-card calculators with overtime support","hourscalc.com",[11,12],[130,16,17],{"slug":196,"name":197,"tagline":198,"domain":199,"tags":200,"shelves":201},"loancalc-pro","LoanCalc Pro","Private loan calculators for payments and payoff planning","loancalckit.com",[11,13,12],[28,16,17,18],{"slug":203,"name":204,"tagline":205,"domain":206,"tags":207,"shelves":208},"loansmart","LoanSmart","Compare refinance and debt consolidation options","loanoptim.com",[11,25],[28,16],{"slug":210,"name":211,"tagline":212,"domain":213,"tags":214,"shelves":215},"maphub","MapHub","Interactive geography maps, quizzes, and reference tools","mapology.io",[73,25],[75,16],{"slug":217,"name":218,"tagline":219,"domain":220,"tags":221,"shelves":222},"marketfees","MarketFees","Marketplace fee calculator for online sellers","marketfees.app",[11],[28,16],{"slug":224,"name":225,"tagline":226,"domain":227,"tags":228,"shelves":229},"mathquick","MathQuick","Fast math calculators with step-by-step answers","mathquick.io",[11,73,26],[75,16],{"slug":231,"name":232,"tagline":233,"domain":234,"tags":235,"shelves":236},"mathvault","MathVault","Scientific calculator with conversions and geometry tools","mathvault.app",[11],[75,16],{"slug":238,"name":239,"tagline":240,"domain":241,"tags":242,"shelves":243},"netkit","NetKit","Network diagnostics for IP, DNS, WHOIS, and SSL checks","netdiagkit.com",[12,11,26],[244,16,17],"free-developer-tools",{"slug":246,"name":247,"tagline":248,"domain":249,"tags":250,"shelves":251},"offerjudge","OfferJudge","Job offer and salary comparison calculator","offerjudge.com",[11,25,13],[28,16,18],{"slug":253,"name":254,"tagline":255,"domain":256,"tags":257,"shelves":258},"pacecalc-pro","PaceCalc Pro","Running calculators for pace and race time","pacecalcpro.com",[11],[15,16],{"slug":260,"name":261,"tagline":262,"domain":263,"tags":264,"shelves":265},"passcheck-pro","PassCheck Pro","Password strength, entropy, breach, and crack-time checking","passcheck.io",[13],[130,16,18],{"slug":267,"name":268,"tagline":269,"domain":270,"tags":271,"shelves":272},"pavercraft","PaverCraft","Hardscape material and cost calculators","hardscapecalc.com",[11,25],[107,16],{"slug":274,"name":275,"tagline":276,"domain":277,"tags":278,"shelves":279},"pawcalc","PawCalc","Pet care calculators for age, growth, and nutrition","pawcalc.com",[11,13],[15,16,18],{"slug":281,"name":282,"tagline":283,"domain":284,"tags":285,"shelves":286},"paydownwise","PaydownWise","Debt payoff calculators with amortization and payoff timelines","paydownwise.com",[11,25],[28,16],{"slug":288,"name":289,"tagline":290,"domain":291,"tags":292,"shelves":293},"paywise","PayWise","Paycheck calculator for take-home pay estimates","paycheckwise.com",[11,13],[28,16,18],{"slug":295,"name":296,"tagline":297,"domain":298,"tags":299,"shelves":300},"petbreed-plan","PetBreed Plan","Dog and cat breeding planning with pregnancy and heat tracking","petbreedplan.com",[25,11],[45,16],{"slug":302,"name":303,"tagline":304,"domain":305,"tags":306,"shelves":307},"petmed-helper","PetMed Helper","Pet toxicity and medication dosing calculators","petmedhelper.com",[11,26],[15,16],{"slug":309,"name":310,"tagline":311,"domain":312,"tags":313,"shelves":315},"plantwise","PlantWise","AI plant identification and gardening help","plantfinder.app",[314,97,11,73],"ai",[107,316,16],"free-ai-tools",{"slug":318,"name":319,"tagline":320,"domain":321,"tags":322,"shelves":323},"poolmath-pro","PoolMath Pro","Pool calculators for water chemistry and equipment sizing","poolmathpro.com",[11],[107,16],{"slug":325,"name":326,"tagline":327,"domain":328,"tags":329,"shelves":330},"prepsmart","PrepSmart","Meal prep planner with macros and portions","mealprephq.app",[25,11,26],[15,16],{"slug":332,"name":333,"tagline":334,"domain":335,"tags":336,"shelves":337},"readcheck","ReadCheck","Reading speed, time, and readability checks","wpmcheck.com",[11,73,26,13,12],[75,16,17,18],{"slug":339,"name":340,"tagline":341,"domain":342,"tags":343,"shelves":344},"recipeforge","RecipeForge","Baking calculators for scaling and conversions","bakingcalc.com",[11,13],[107,16,18],{"slug":346,"name":347,"tagline":348,"domain":349,"tags":350,"shelves":351},"renovatecalc","RenovateCalc","DIY renovation material quantity calculator","remodelcalc.com",[11,25],[107,16],{"slug":353,"name":354,"tagline":355,"domain":356,"tags":357,"shelves":358},"renovestimate","RenovEstimate","Home renovation ROI calculator by project type","renovroi.com",[11,25],[107,16],{"slug":360,"name":361,"tagline":362,"domain":363,"tags":364,"shelves":365},"rentcalc","RentCalc","Rent calculators for tenants and landlords","quickrentcalc.com",[11,12,13],[28,16,17,18],{"slug":367,"name":368,"tagline":369,"domain":370,"tags":371,"shelves":372},"rentwise","RentWise","Real estate investment calculators for rentals","rentalcalcpro.com",[11,25],[28,16],{"slug":374,"name":375,"tagline":376,"domain":377,"tags":378,"shelves":379},"retirewise","RetireWise","Retirement calculators for savings, income, and timing","retirereadyapp.com",[11,25,13],[28,16,18],{"slug":381,"name":382,"tagline":383,"domain":384,"tags":385,"shelves":387},"ringsizepro","RingSizePro","Jewelry size calculators and conversion charts","ringsizepro.com",[11,386],"converter",[36,16],{"slug":389,"name":390,"tagline":391,"domain":392,"tags":393,"shelves":394},"roadventure","RoadVenture","Plan road trips with scenic routes and itineraries","routediscovery.com",[25,11],[122,16],{"slug":396,"name":397,"tagline":398,"domain":399,"tags":400,"shelves":401},"scicalc-pro","SciCalc Pro","Solve chemistry and physics calculations","stemcalc.com",[11,73,26],[75,16],{"slug":403,"name":404,"tagline":405,"domain":406,"tags":407,"shelves":408},"selfpaidcalc","SelfPaidCalc","Calculator for self-employment take-home pay and taxes","selfemployedcalc.com",[11,25],[28,16],{"slug":410,"name":411,"tagline":412,"domain":413,"tags":414,"shelves":415},"sizeguide","SizeGuide","International clothing and shoe size conversion tool","sizeguide.app",[11],[36,16],{"slug":417,"name":418,"tagline":419,"domain":420,"tags":421,"shelves":422},"sleepcyclehub","SleepCycleHub","Calculate bedtimes, wake times, and sleep timing","sleepcyclehub.com",[11,25],[15,16],{"slug":424,"name":425,"tagline":426,"domain":427,"tags":428,"shelves":429},"sleepdebtfree","SleepDebtFree","Sleep debt calculator and schedule optimization tools","sleepdebtfree.com",[11,25,26],[15,16],{"slug":431,"name":432,"tagline":433,"domain":434,"tags":435,"shelves":436},"statcalc-pro","StatCalc Pro","Statistics and science calculators with worked steps","statcalcpro.com",[11,73,26],[75,16],{"slug":438,"name":439,"tagline":440,"domain":441,"tags":442,"shelves":443},"statcalcpro","StatCalcPro","Statistics calculators for common measures","statcalc.pro",[11,73,13,26],[75,16,18],{"slug":445,"name":446,"tagline":447,"domain":448,"tags":449,"shelves":450},"statlearn","StatLearn","Interactive statistics and probability learning tools","probviz.com",[73,11,26],[75,16],{"slug":452,"name":453,"tagline":454,"domain":455,"tags":456,"shelves":457},"stepwise","StepWise","Steps and walking calculator","stepconvert.com",[11],[15,16],{"slug":459,"name":460,"tagline":461,"domain":462,"tags":463,"shelves":464},"studyplanner-pro","StudyPlanner Pro","Research planning calculators for sample size and power analysis","studyplannerpro.com",[11,73,26],[75,16],{"slug":466,"name":467,"tagline":468,"domain":469,"tags":470,"shelves":471},"taxwiser","TaxWiser","Tax calculators for income, refunds, and brackets","easytaxcalc.com",[11],[28,16],{"slug":473,"name":474,"tagline":475,"domain":476,"tags":477,"shelves":478},"timezonetoolbox","TimezoneToolbox","Time and timezone tools in one place","timezonetoolbox.com",[25],[130,16],{"slug":480,"name":481,"tagline":482,"domain":483,"tags":484,"shelves":485},"tipguide","TipGuide","Tipping calculators and etiquette guides","tiplesson.com",[11,25,26],[28,16],{"slug":487,"name":488,"tagline":489,"domain":490,"tags":491,"shelves":492},"tipmath","TipMath","Calculate tips and split bills instantly","tipmath.com",[11],[28,16],{"slug":494,"name":495,"tagline":496,"domain":497,"tags":498,"shelves":499},"vitalmetrics","VitalMetrics","Private health calculators for BMI, calories, body fat, and due dates","vitalmetrics.app",[11,13],[15,16,18],{"slug":501,"name":502,"tagline":503,"domain":504,"tags":505,"shelves":506},"voltcalc","VoltCalc","Electrical calculators for wiring, voltage drop, and cost","calcelectric.com",[11],[130,16],{"slug":508,"name":509,"tagline":510,"domain":511,"tags":512,"shelves":513},"walktimer","WalkTimer","Walking pace and calorie calculator with workout generators","walktimer.com",[11,25,13],[15,16,18],{"slug":515,"name":516,"tagline":517,"domain":518,"tags":519,"shelves":520},"wealthwise","WealthWise","Investment and retirement calculators","trywealthwise.com",[11],[28,16],{"slug":522,"name":523,"tagline":524,"domain":525,"tags":526,"shelves":527},"wedplanner","WedPlanner","Wedding planning with seating charts, budgets, and timelines","weddingplanhq.com",[25,11,151],[36,16],{"slug":529,"name":530,"tagline":531,"domain":532,"tags":533,"shelves":534},"woodcalc-pro","WoodCalc Pro","Woodworking calculators for projects and layouts","woodcalcpro.com",[11],[107,16],{"slug":536,"name":537,"tagline":538,"domain":539,"tags":540,"shelves":541},"xstitchpro","XStitchPro","Design cross-stitch patterns from photos and grids","xstitchpro.com",[314,97,11,43],[107,316,16,542],"free-image-tools",[544,546,548],{"slug":85,"why":545},"Offers calculators for mortgages, loans, and investments, including compound interest and ROI.",{"slug":61,"why":547},"Applies the 50\u002F30\u002F20 rule or a custom breakdown, logs expenses, and offers printable budget templates.",{"slug":466,"why":549},"Provides tax calculators for federal income tax, refund estimates, tax brackets, self-employment tax, and state taxes.",[551,555,559,563,567,571,575],{"name":552,"blurb":553,"slugs":554},"Money planning","Use these when you want to budget, borrow, invest, or estimate taxes.",[85,61,466,515,196,288,403,281,374,203,246,367,360,515,61],{"name":556,"blurb":557,"slugs":558},"Health and fitness","Use these for body metrics, exercise, sleep, and other personal health checks.",[6,154,494,424,417,452,508,274,38,47],{"name":560,"blurb":561,"slugs":562},"Home and project math","Use these for renovation, building, cooking, and other project calculations.",[529,101,109,339,267,353,346,68],{"name":564,"blurb":565,"slugs":566},"Time and dates","Use these when you need date ranges, schedules, or timezone help.",[124,189,473,116,389],{"name":568,"blurb":569,"slugs":570},"Science and study","Use these for stats, STEM formulas, and homework-style step-by-step solving.",[431,445,459,396,77,224,231,132,161],{"name":572,"blurb":573,"slugs":574},"Identity and reference","Use these for size matching, relationships, passwords, and other lookup-style helpers.",[381,410,146,139,54,260,30,210,238,217],{"name":576,"blurb":577,"slugs":578},"More on this shelf","Other tools on this shelf that do a specific job.",[20,92,168,175,182,253,295,302,309,318,325,332,438,480,487,501,522,536],1790897085630]