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Calculators

Age, BMI, percentage, unit converters, and more.

29 ready tools out of 29 listed in this workflow.

All tools

24

Interpolation CalculatorReadyStep-by-step Newton forward/backward, divided difference & Lagrange interpolation with full tables.
System of Linear EquationsReadySolve linear systems with RREF, Gauss-Jacobi, and Gauss-Seidel methods using full step-by-step tables.
Curve Fitting CalculatorReadyLeast-squares line, parabola, exponential, geometric, and power curve fitting with full equation tables.
Age CalculatorReadyExact age in years, months, days, weeks, and hours.
BMI CalculatorReadyBody mass index with category and ideal weight range.
Percentage CalculatorReadyWhat is X% of Y? X is what % of Y? Percentage change.
Unit ConverterReadyConvert length, weight, temperature, and volume units.
Ratio CalculatorReadySimplify and scale ratios.
Scientific CalculatorReadyTrig, log, exp, powers — expression evaluator.
Binary CalculatorReadyArithmetic and bitwise operations on binary numbers.
Hex CalculatorReadyArithmetic and bitwise operations on hexadecimal numbers.
BMR CalculatorReadyBasal metabolic rate and TDEE via Mifflin-St Jeor.
Compound InterestReadyProject growth with compound interest.
Discount CalculatorReadyCompute discounted price and savings.
EMI CalculatorReadyEquated monthly installment, interest, and total payable.
Loan CalculatorReadyMonthly payment, total interest, and total cost of a loan.
GST CalculatorReadyAdd or remove GST from any amount.
VAT CalculatorReadyAdd or remove VAT — inclusive and exclusive.
Investment CalculatorReadyFuture value with initial and recurring contributions.
SIP CalculatorReadyProject a systematic investment plan maturity.
Salary CalculatorReadyBreak gross salary into net annual and monthly take-home.
GPA CalculatorReadyCompute semester GPA from grade points and credits.
CGPA CalculatorReadyAverage GPAs across multiple semesters into a CGPA.
Attendance CalculatorReadyAttendance percentage plus how many classes you can skip.

Math with steps

5

Equation Step SolverReadySolve linear equations, quadratics, and 2×2 systems with every step shown — discriminant, formula substitution, factored form, and a live graph of the roots.
Derivative Step CalculatorReadySymbolic d/dx with every rule application shown — power, product, quotient, and chain rule — plus an interactive tangent-line explorer on a live graph.
Matrix Step CalculatorReadyDeterminant, inverse, RREF, rank, product, transpose, and eigenvalues with every row operation animated as a step — in exact fractions.
Probability LabReadySimulate coins, dice, cards, and the birthday paradox — the exact theoretical probability derived step by step, then verified with an animated Monte-Carlo run.
Statistics Step ExplainerReadyDescriptive statistics, correlation, and least-squares regression where every metric expands into its full worked calculation — with histogram, box plot, and scatter charts.