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    %PercentageBMIBMIMTGMortgageCⁿCompound interestAgeAgesinScientific

    Calculators
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    875
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    Eight fields

    Find it by what you're working on.

    √144 × 2.5= 30

    15% of 240= 36

    3/4 + 5/6= 19/12

    789÷sin456×√123−xʸ
    01Math & AlgebraPercentages, fractions, roots, equations and the scientific keypad.25 calculators →
    Future value$31,998+220%

    $10,000 at 5% for 10 years, +$100 a month

    02Finance & InvestmentMortgages, loans, interest, savings and what money becomes over time.25 calculators →
    Margin32%Markup47.1%

    Price 125 · cost 85 · profit 40 per unit

    03Business & TaxMargins, markups, tax, pay and the ratios a business runs on.25 calculators →
    22.9BMI · Healthy weight

    70 kg · 175 cm

    04Health & FitnessBody measures, energy, training and pregnancy dates. Estimates, not medical advice.25 calculators →
    4.0 m3.0 m0.10 m
    Concrete +5%1.26 m³20 kg bags140
    05Construction & GeometryMaterials for a job, and the areas and volumes of every shape.25 calculators →
    λ = v ÷ f0.78 mf440 Hz

    Sound in air at 20 °C, 343 m/s

    06Physics & EngineeringMotion, energy, force, electricity and heat.25 calculators →
    Within ±1σ68.27%
    −2σ−1σμ+1σ+2σ
    07Statistics & ProbabilityDescribe data, test it, and count the chances.25 calculators →
    09:00Karachi
    →
    00:00New York

    14 Oct 2026 · New York on daylight time (UTC−4)

    08Everyday & ConversionsDates, time, units, grades and the sums of an ordinary day.25 calculators →

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    The top 100

    The ones people reach for most.

    An editorial pick of the hundred most useful, not a ranking by search volume.

    1. 1%PercentageMath
    2. 2BMIBMIHealth
    3. 3MTGMortgageFinance
    4. 4LNLoanFinance
    5. 5CⁿCompound interestFinance
    6. 6AgeAgeEveryday
    7. 7calCaloriesHealth
    8. 8sinScientificMath
    9. 9½FractionMath
    10. 10¤CurrencyEveryday
    11. 11+dDateEveryday
    12. 12h:mTimeEveryday
    13. 13GPAGPAEveryday
    14. 14A+Final gradeEveryday
    15. 15TXSales TaxBusiness
    16. 16VATVATBusiness
    17. 17ITIncome TaxBusiness
    18. 18M%Profit MarginBusiness
    19. 19−%DiscountBusiness
    20. 20$/hSalary to HourlyBusiness
    21. 21h→YHourly to SalaryBusiness
    22. 22INVInvestmentFinance
    23. 23RETRetirementFinance
    24. 24SAVSavingsFinance
    25. 25CARAuto loanFinance
    26. 26AMAmortizationFinance
    27. 27CCCard payoffFinance
    28. 28INFInflationFinance
    29. 29ROIROIFinance
    30. 30CGRCAGRFinance
    31. 31PrtSimple interestFinance
    32. 32HMEHome affordabilityFinance
    33. 33BF%Body FatHealth
    34. 34BMRBMRHealth
    35. 35TDETDEEHealth
    36. 36IBWIdeal WeightHealth
    37. 37wkPregnancyHealth
    38. 38EDDDue DateHealth
    39. 39OvOvulationHealth
    40. 40/kmPaceHealth
    41. 41METCalories BurnedHealth
    42. 42PProteinHealth
    43. 43H₂OWater IntakeHealth
    44. 44ZzSleepHealth
    45. 45THRTarget Heart RateHealth
    46. 46√Square RootMath
    47. 47x̄AverageMath
    48. 48a:bRatioMath
    49. 49xⁿExponentMath
    50. 50logLogarithmMath
    51. 51x²QuadraticMath
    52. 52n!FactorialMath
    53. 53PPrime NumberMath
    54. 54mSlopeMath
    55. 55a²PythagoreanMath
    56. 56θTrigonometryMath
    57. 57≈RoundingMath
    58. 5810ⁿSci NotationMath
    59. 59σStandard deviationStats
    60. 60s²VarianceStats
    61. 61PProbabilityStats
    62. 62nCrCombinationsStats
    63. 63nPrPermutationsStats
    64. 64CIConfidence intervalStats
    65. 65nSample sizeStats
    66. 66zZ-scoreStats
    67. 67PPercentileStats
    68. 68x̃MedianStats
    69. 69MoModeStats
    70. 70x̄wWeighted averageStats
    71. 71ŷLinear regressionStats
    72. 72m³ConcreteBuild
    73. 73ft²Square footageBuild
    74. 74LPaintBuild
    75. 75TILTilesBuild
    76. 76FLRFlooringBuild
    77. 77BRKBricksBuild
    78. 78∠Roof pitchBuild
    79. 79STRStairsBuild
    80. 80πr²Circle areaBuild
    81. 81△Triangle areaBuild
    82. 82CYLCylinder volumeBuild
    83. 83TNKTank volumeBuild
    84. 84SASurface areaBuild
    85. 85km/SpeedPhysics
    86. 86aAccelerationPhysics
    87. 87FForcePhysics
    88. 88PPowerPhysics
    89. 89ρDensityPhysics
    90. 90ΩOhm’s lawPhysics
    91. 91ΔVVoltage dropPhysics
    92. 92WElectrical powerPhysics
    93. 93mpgFuel economyEveryday
    94. 94miGas mileageEveryday
    95. 95tipTipEveryday
    96. 96wkWork hoursEveryday
    97. 97TZTime zonesEveryday
    98. 98°TemperatureEveryday
    99. 99mLengthEveryday
    100. 100kgWeightEveryday

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    01Math & Algebra9
    02Finance & Investment11
    03Business & Tax18
    04Health & Fitness10
    05Construction & Geometry12
    06Physics & Engineering17
    07Statistics & Probability12
    08Everyday & Conversions11

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