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Every Page on KeeHelper

A complete directory of all pages and free calculators on KeeHelper — 107+ tools across 10 categories, all in one place.

107+
Calculators
10
Categories
6
Core Pages
Free
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Last Updated: March 2026  ·  113 total pages listed  ·  All links verified
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🏠 Core Pages 🧍 Personal & Daily 💰 Finance & Money 📐 Math & Academic 🏗️ Engineering 🏃 Health & Fitness 👨‍👩‍👧 Family 🔄 Conversion 🏢 Business ⏳ Time-Based 🎯 Advanced & Unique
🏠

Core Pages

Main site pages — home, tools directory, company & legal
6 pages
🏠

Home

KeeHelper homepage — featured calculators & site overview

keehelper.com/
🧮

All Tools

Complete directory of 107+ free online calculators

keehelper.com/tools.html
ℹ️

About Us

Our mission, team and why we built KeeHelper

keehelper.com/about.html
✉️

Contact

Get in touch — feedback, suggestions & support

keehelper.com/contact.html
🔒

Privacy Policy

How we handle your data & privacy

keehelper.com/privacy-policy.html
📄

Terms & Conditions

Terms of use for KeeHelper services

keehelper.com/terms-conditions.html
🧍

Personal & Daily Life

Age, dates, pregnancy, BMI & everyday lifestyle calculators
16 tools
Age CalculatorYears, months & days
🔥
Date DifferenceDays between two dates
Time DurationHours & minutes
Birthday CountdownDays until birthday
🚀
Pregnancy Due DateExpected delivery date
Ovulation CalculatorFertile window & cycle
BMI CalculatorBody Mass Index
🔥
BMR CalculatorBasal Metabolic Rate
Calorie CalculatorDaily calorie needs
🔥
Ideal WeightBy height & gender
Body Fat CalculatorBody fat percentage
Water IntakeDaily hydration
Sleep CalculatorOptimal wake-up time
Love CompatibilityMatch percentage
Life ExpectancyLongevity estimate
Zodiac SignBy birthdate
💰

Finance & Money

Loans, investments, taxes, savings & retirement planning
19 tools
EMI CalculatorMonthly installment
🔥
Loan CalculatorLoan & repayment
Home Loan CalculatorMortgage EMI
🔥
Personal LoanEMI & eligibility
Car Loan CalculatorAuto loan payments
SIP CalculatorMutual fund returns
⭐
Compound InterestGrowth formula
🔥
Simple InterestSI on P, R & T
GST CalculatorInclusive & exclusive
🔥
Income Tax CalculatorTax on annual income
🔥
Salary CalculatorCTC to in-hand
Take Home PayNet pay after deductions
Retirement CalculatorSavings for retirement
⭐
Inflation CalculatorReal value of money
Investment ReturnROI scenarios
Mutual Fund CalculatorLumpsum vs SIP
Fixed Deposit (FD)Maturity & interest
Currency ConverterReal-time rates
Crypto ProfitCrypto P&L
✅
📐

Math & Academic

For students, researchers & math enthusiasts
15 tools
Percentage Calculator%, change & reverse
🔥
Fraction CalculatorAdd, subtract, multiply
Ratio CalculatorSimplify & solve
GPA CalculatorSemester & cumulative
⭐
CGPA CalculatorTo percentage
Scientific CalculatorAdvanced functions
Matrix CalculatorOperations & determinants
Algebra SolverLinear equations
Quadratic EquationRoots formula
Logarithm CalculatorLog & antilog
Prime Number CheckerIs it prime?
Average CalculatorMean, median, mode
LCM & HCF CalculatorLCM & GCD
Standard DeviationPopulation & sample
Probability CalculatorSingle & compound
🏗️

Engineering & Construction

Practical tools for builders, architects & engineers
11 tools
Concrete CalculatorVolume for slabs
Cement CalculatorBags needed
Brick CalculatorBricks for a wall
Tile CalculatorFloor & wall tiles
Steel WeightBar & section weight
Paint CalculatorLitres by area
Area CalculatorShapes & land
Volume Calculator3D shapes & tanks
Square Foot CalculatorProperty area sqft
Cubic MeterVolume in m³
Unit ConversionEngineering units
🏃

Health & Fitness

Performance, nutrition & wellness calculators
8 tools
Lean Body MassFat-free mass
Macro CalculatorProtein, carbs & fat
🔥
Protein IntakeDaily protein needs
TDEE CalculatorTotal daily energy
🔥
Heart Rate CalculatorMax & target zones
Step to CalorieCalories from steps
Running PacePace & finish time
BMI CalculatorFull health category
🔥
👨‍👩‍👧

Family & Relationship

Love, compatibility, milestones & family planning
6 tools
Marriage Age CalculatorIdeal age predictor
Love Match CalculatorCompatibility %
Compatibility CalculatorZodiac & name
Baby Name NumerologyName number value
✅
Anniversary CalculatorDays until anniversary
Age Gap CalculatorBetween two people
🔄

Conversion Tools

High-utility unit & measurement converters
8 tools
Length Converterm, km, ft, miles
Weight Converterkg, lbs, grams
Temperature Converter°C, °F & Kelvin
Time Zone ConverterWorld clock
Data Storage ConverterKB, MB, GB, TB
Speed Converterkm/h, mph, m/s
Pressure ConverterPa, bar, psi, atm
Energy ConverterJ, kWh, BTU, cal
🏢

Business & Professional

ROI, margins, payroll, VAT & business metrics
7 tools
Break-even CalculatorSales to break even
Profit MarginGross & net margin
ROI CalculatorReturn on investment
Depreciation CalculatorStraight-line & declining
Commission CalculatorSales commission
Payroll CalculatorEmployee deductions
VAT CalculatorInclusive & exclusive
⏳

Time-Based Calculators

Days, hours, countdowns, working days & time utilities
7 tools
Countdown TimerTime to any date
Business Days CalculatorWorking days
Working Days CalculatorExclude weekends
Age in DaysTotal days alive
Age on Other PlanetsMars, Venus & more
✅
Leap Year CheckerIs it a leap year?
Hour DifferenceHours between times
🎯

Advanced & Unique

Stand-out calculators you won't find elsewhere
10 tools
Biological Age CalculatorTrue body age score
✅
Brain Age CalculatorMental age test
✅
Carbon FootprintCO₂ impact score
✅
Happiness ScoreWellbeing index
✅
Digital Detox CalculatorScreen time wasted
Screen Time CalculatorHabit tracker
Net Worth CalculatorAssets − liabilities
⭐
Inflation Adjusted SalaryReal wage power
✅
Advanced BMI AnalysisFull health & tips
🔥
Advanced Age CalculatorYears, days, planets