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Data & Calculators
1770 appsData & Calculators: Math Calculators
Calculator · CalculateSphere Radius from Diameter, Surface, Volume or CircumferenceSphere Radius from Diameter, Surface, Volume or Circumference. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.Calculator · CalculateSphere Radius, Surface, Volume and Inverse-Length RatioCalculate sphere radius, surface, volume and inverse-length ratio with converted units, positive geometric inverses and explicit model limits.Calculator · CalculateSpherical Surface Area and Size RelationshipsCalculate spherical surface area and size relationships with converted units, positive geometric inverses and explicit model limits.Calculator · CalculateSpiral Length Estimate & One-Turn HelixEstimate a tightly wound planar spiral length, or calculate the length of one uniform helical turn around a cylinder.Calculator · CalculateSquare Area and Positive Side LengthCalculate square area and positive side length with bidirectional inputs, compatible units and clear geometric assumptions.Calculator · CalculateSquare Boundary Length and DiagonalCalculate square boundary length and diagonal with bidirectional inputs, compatible units and clear geometric assumptions.Calculator · CalculateSquare Diagonal and Positive Side LengthCalculate square diagonal and positive side length with bidirectional inputs, compatible units and clear geometric assumptions.Calculator · CalculateSquare Pyramid Base, Single Face and Closed SurfaceSquare Pyramid Base, Single Face and Closed Surface. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.Calculator · CalculateSquare Pyramid Capacity with Optional Surface InputsSquare Pyramid Capacity with Optional Surface Inputs. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.Calculator · CalculateSquare Pyramid Height from Seventeen Measurement PairsSquare Pyramid Height from Seventeen Measurement Pairs. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.Calculator · CalculateSquare Pyramid Surface, Slants and Positive Inverse RootsSquare Pyramid Surface, Slants and Positive Inverse Roots. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.Calculator · CalculateSquare Side, Area, Perimeter and DiagonalCalculate square side, area, perimeter and diagonal with bidirectional inputs, compatible units and clear geometric assumptions.Calculator · CalculateStandard Deviation CalculatorCalculate population and sample standard deviation, variance, mean, and count for a data set.Calculator · CalculateStatistics CalculatorSummarize a data set with centre, spread, variance, standard deviation, and sorted values.Calculator · CalculateSurface Area CalculatorCalculate total and lateral surface area for common solid shapes.Calculator · CalculateTaylor–Lagrange Remainder Upper BoundEstimate a Taylor-polynomial remainder bound from degree, center, evaluation point and a valid maximum next-derivative magnitude.Calculator · CalculateTrapezoid Midsegment from Parallel BasesCalculate trapezoid midsegment from parallel bases with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.Calculator · CalculateTrapezoidal Prism Side-Wall and Closed Surface AreasTrapezoidal Prism Side-Wall and Closed Surface Areas. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.Calculator · CalculateTrapezoidal Prism Volume from Cross Section and DepthTrapezoidal Prism Volume from Cross Section and Depth. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.Calculator · CalculateTriangle Angle Weights & Relative Side RatiosConvert three positive angle weights into triangle angles and obtain relative side lengths through the sine rule.Calculator · CalculateTriangle Angles, Heron Area and Boundary from Three SidesNo. This SSS workflow accepts three side lengths and keeps area, perimeter and all three angles as read-only outputs. Other triangle workflows provide different supported inverses.Calculator · CalculateTriangle Area and Perimeter from Cartesian VerticesNo. The absolute determinant removes the orientation sign. Perimeter adds the three point distances. Collinear vertices return zero area, and repeated vertices are allowed as degenerate cases.Calculator · CalculateTriangle Area from Three Sides and Obtuse Inverse BranchCalculate triangle area from three sides and obtuse inverse branch with converted units, positive geometric inverses and explicit model limits.Calculator · CalculateTriangle Area from Two Sides and Included AngleGenerally no. An acute angle and its obtuse supplement have the same sine and triangle area. The backward angle control returns the principal acute or right angle; area cannot exceed ab/2.Calculator · CalculateTriangle Base Recovered from Area and AltitudeCalculate triangle base recovered from area and altitude with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.Calculator · CalculateTriangle CalculatorSolve a triangle from three side lengths, including area, perimeter, angles, and classification.Calculator · CalculateTriangle Circumcircle, Inradius & AreaCalculate a triangle’s circumscribed circle and related geometry from three valid side lengths.Calculator · CalculateTriangle Exterior Angles and Supplementary InteriorsEnter two interiors, or an interior and a nonadjacent exterior. Adjacent interior/exterior angles are dependent supplements. Two exterior inputs populate the third exterior only in this retained solver.Calculator · CalculateTriangle Interior and Exterior Angle RelationshipsNo. Each exterior is the nonreflex supplement of its adjacent interior. Interiors sum to 180 degrees and these exteriors sum to 360 degrees. Enter two interiors or an interior plus a nonadjacent exterior for all fields; two exteriors produce only the third exterior.Calculator · CalculateTriangle Interior Angle Sum and Missing AngleThis tool uses planar Euclidean geometry. Curved-surface triangles can have a different interior angle sum.Calculator · CalculateTriangle Interior Angles: Find the ThirdFind a missing interior angle of a plane triangle in degrees or radians.Calculator · CalculateTriangle Sides and Angles with Cosine-Law Root SelectionNo. An angle, its opposite side and another side can describe two triangles. This workflow uses the captured plus-square-root side branch and rejects nonreal or nonpositive branches. It does not enumerate every alternative.Calculator · CalculateTriangle Sides and Area from Included Side and End AnglesSide a joins the vertices carrying β and γ. It lies opposite the computed angle α. The side lengths follow the sine law, and the area uses the included-angle triangle formula.Calculator · CalculateTriangle Sides and Area from Opposite Side and Two AnglesThe height is perpendicular to side b, so area is b times that height divided by two. Side a lies opposite α; enter a, α and β. The remaining measures are read-only outputs.Calculator · CalculateTriangle Vertex Centroid and Missing CoordinateYes. Each axis averages three vertex coordinates. A missing coordinate equals three times the centroid coordinate minus the other two coordinates on that axis.Calculator · CalculateTriangular Dot Count and Positive Sequence PositionEnter a positive whole sequence position to find the sum of the first n positive integers, with conditional dot illustrations for positions one through eight.Calculator · CalculateTwo-Binomial Product & Coefficient WorkingExpand (a₁x + a₀)(b₁x + b₀) into quadratic, linear and constant coefficients, including the two cross-products.Calculator · CalculateTwo-Number Sum & Missing AddendAdd two signed decimal numbers or find an unknown addend from the other number and the sum.Calculator · CalculateUnit Rate from Two QuantitiesDivide one quantity by a nonzero second quantity, or recover a quantity from a known rate.Calculator · CalculateVolume CalculatorFind the volume and surface area of common three-dimensional shapes.Calculator · CalculateXY Point to Radius & Signed Polar AngleConvert a point’s signed Cartesian coordinates to its distance from the origin and quadrant-aware direction.Calculator · CalculateXYZ & Spherical Coordinates: Radius, Polar Angle & AzimuthConvert between Cartesian xyz and spherical coordinates using a polar angle from +z and an azimuth around the xy-plane.Calculator · CalculateZ-score CalculatorStandardize a value using a population mean and standard deviation, then estimate its percentile.
Data & Calculators: Financial Calculators
Calculator · Calculate401K CalculatorProject employee and employer retirement contributions with annual growth and current-plan limits entered as assumptions.Calculator · Calculate70/20/10 Monthly Budget Allocation ModelSplit entered after-tax income into an illustrative monthly 70%, 20% and 10% budget, with optional essentials categories.Calculator · CalculateAcquisition Goodwill Estimate CalculatorCompare purchase price with the fair value of net identifiable assets.Calculator · CalculateActual vs Potential Output Gap CalculatorExpress the difference between actual and potential GDP as a percentage.Calculator · CalculateAd Click, Impression Cost & CTR CalculatorCompare CPC, CPM and click-through rate from one set of campaign totals.Calculator · CalculateAdd or Remove VAT from a Price CalculatorCalculate a VAT-inclusive price or extract the pre-VAT amount using a supplied percentage.Calculator · CalculateAdditional Income Savings Share CalculatorFind marginal propensity to save from income and saving changes.Calculator · CalculateAdvertising Cost per Action CalculatorConnect campaign spend, clicks, cost per click and completed actions.Calculator · CalculateAdvertising Funnel Costs & Repeat-Order RevenueConnect impressions, clicks, leads and customers with campaign cost, revenue return and an explicit repeat-order revenue assumption.Calculator · CalculateAfter-Tax Operating Profit on Capital CalculatorCalculate ROIC using EBIT, an assumed tax rate and debt plus equity.Calculator · CalculateAmortization CalculatorCalculate an amortizing payment, first-month principal and interest, total interest, and payoff time.Calculator · CalculateAnnual Capacity & Billing Rate CalculatorModel an hourly billing rate from annual salary, billable capacity and a multiplier.Calculator · CalculateAnnual Coupon to Market Price Yield CalculatorCalculate coupon payments and bond current yield from face value and market price.Calculator · CalculateAnnual Employer Cost per Productive HourEstimate annual employer cost, productive working hours and cost per productive hour from a five-day, 52-week pay model.Calculator · CalculateAnnual Forward Rate from Two Spot RatesDerive an annually compounded forward rate between two positive maturities from their zero-coupon spot rates.Calculator · CalculateAnnual Hours, Pay & Flat Deduction CalculatorConvert an hourly rate and working schedule to annual earnings, with an optional assumed flat deduction.Calculator · CalculateAnnual Pay & Flat-Deduction Income CalculatorEstimate annual gross pay and income after an entered flat deduction rate from hourly pay and a work schedule.Calculator · CalculateAnnual Pay from Hourly Rate & Entered DeductionsEstimate yearly pay from hourly rate, paid hours and paid weeks, with a user-entered flat deduction assumption and reverse calculations.Calculator · CalculateAnnual Rent & Leasing Fee Comparison CalculatorCompare leasing fees expressed as half a month, one month, one and a half months, or a percentage of annual rent.Calculator · CalculateAnnual Salary Growth & Remaining EarningsSum modeled annual salary from the current age to a selected retirement age with a constant annual salary change.Calculator · CalculateAnnual Salary to Hourly Pay — Five-Day ModelConvert annual salary into hourly, daily, monthly, biweekly, minute and second equivalents using entered weekly hours.Calculator · CalculateAnnualized Dividend Yield & Payment FrequencyCalculate dividend yield from per-period dividends and annual, semiannual, quarterly or monthly payment frequency.Calculator · CalculateAnnualized Growth & Monthly/Quarterly EquivalentsAnnualize a total return or beginning and ending values over a positive holding period, with compound monthly and quarterly equivalent rates.Calculator · CalculateAnnuity CalculatorCalculate the future value of regular deposits with optional starting principal and compound return.Calculator · CalculateAnnuity Payout CalculatorEstimate a level monthly payout from an annuity balance, interest rate, and payout term.Calculator · CalculateApproximate Bond Yield to CallEstimate callable-bond yield using annual coupon income and average price, with an explicit approximation rather than a cash-flow IRR.Calculator · CalculateApproximate Real Rate After InflationSubtract an inflation rate from a nominal rate to estimate the inflation-adjusted rate over the same period.Calculator · CalculateAPR CalculatorEstimate annual percentage rate from amount received, monthly payment, term, and prepaid finance charges.Calculator · CalculateAsset Profitability & ROA CalculatorCalculate return on assets from net income and the asset value you choose.Calculator · CalculateAssets-to-Equity Multiple CalculatorDivide total assets by equity to find an equity multiplier.Calculator · CalculateAuto Lease CalculatorEstimate a vehicle lease payment from capitalized cost, residual, money factor, term, tax, and upfront reductions.Calculator · CalculateAuto Loan CalculatorEstimate vehicle financing from purchase price, trade-in, down payment, sales tax, fees, and loan terms.Calculator · CalculateAverage Monthly Income & Work ScheduleEstimate average monthly earnings from hourly, daily, weekly or annual gross pay and an adjustable work schedule.Calculator · CalculateAverage Return CalculatorCalculate arithmetic average, compounded annual growth rate, and cumulative return from periodic percentages.Calculator · CalculateBalance Daily Interest on a 365-Day Year CalculatorEstimate one day of simple interest from a balance and annual rate.Calculator · CalculateBalance-Sheet & Cash-Flow Accrual RatiosCompare balance-sheet changes or the difference between earnings and cash flows with average net operating assets.Calculator · CalculateBalloon Loan Payment & Remaining PrincipalEstimate monthly payments on a longer amortization schedule and the remaining principal due at an earlier balloon date.Calculator · CalculateBank & Book Balance ReconciliationAdjust bank and cash-book balances for outstanding checks, deposits in transit, collections, fees and interest, then compare the balances.Calculator · CalculateBasic Earnings per Common Share CalculatorEstimate basic EPS after preferred dividends.Calculator · CalculateBeta-Based Required Return CalculatorEvaluate the CAPM return model from beta and benchmark returns.Calculator · CalculateBillable Time & Fee CalculatorCalculate a fee from billed time and a rate, or solve for the time or rate.Calculator · CalculateBoat Loan CalculatorEstimate payment and total interest for a fixed-rate boat or marine loan.Calculator · CalculateBoat Loan Payment & Total Interest EstimateEstimate fixed monthly boat-loan payments and interest using the rate entered, including exactly zero interest.Calculator · CalculateBond CalculatorCalculate a fixed-coupon bond price and current yield from face value, coupon, market yield, maturity, and payment frequency.Calculator · CalculateBond Coupon Payment & Current Yield CalculatorCalculate a regular bond coupon and, in a separate section, current yield from annual coupon cash and market value.Calculator · CalculateBond Face Value & Coupon Rate CalculatorRelate annual coupon rate, payment frequency and coupon amounts.Calculator · CalculateBond Yield Spread in Basis Points CalculatorSubtract a government benchmark yield from a corporate yield.Calculator · CalculateBradford Absence Index from Spells & DaysCalculate the arithmetic Bradford index from absence spells and total absent days, with neutral numerical bands and explicit limits.Calculator · CalculateBreak-Even Sales & Revenue CalculatorFind the sales quantity and revenue that cover fixed and variable costs.Calculator · CalculateBudget CalculatorSummarize monthly income, needs, wants, savings, and remaining cash with a 50/30/20 comparison.Calculator · CalculateBusiness Funding Gap CalculatorEstimate additional funding from changes in assets, liabilities and retained earnings.Calculator · CalculateBusiness Loan CalculatorEstimate business-loan payment, borrowing cost, fees, and payoff with optional extra principal.Calculator · CalculateBuyer Price Gap & Linear-Demand SurplusCompare willingness to pay with an actual price, and estimate the triangular surplus under a linear demand curve.