All Calculators

Browse the full calculator library by category or search directly for the exact tool you need.

All Everyday Life Finance & Money Health & Fitness Math & Numbers Science & Engineering Unit Converters Date & Time Construction & Home Automotive & Vehicles Business & Work Education Environment & Energy Statistics & Data Technology Food & Cooking

Army Body Fat Calculator

Beginner

Army Body Fat is evaluated from Gender, Height and Neck Circumference. The calculation reports Body Fat%, Army Standard and Meets Army Standard.

Bench Press Calculator

Beginner

Bench Press is evaluated from Weight Lifted, Repetitions and Bodyweight. The calculation reports Estimated 1RM, 90% and 80%.

Macronutrient Distribution Calculator

Beginner

Macronutrient Distribution is evaluated from Daily Calorie Goal, Macro Ratio Preset and Body Weight. The calculation reports Carbohydrates, Protein and Fat.

5K/10K/Marathon Pace Calculator

Beginner

5K/10K/Marathon Pace is evaluated from Race Distance, Pace - Minutes and Pace - Seconds. The calculation reports Finish Time, Pace and Speed.

Percentage Calculator

Basic

Percentage is evaluated from Percentage, Base Number and Part / Result. The calculation reports X% of Y, Part is what% of Base and Original Before Percent.

Area Calculator

Basic

Area is evaluated from Shape, Length / Base / Radius / Side and Width / Height / Semi-minor. The calculation reports Area, Formula Used and Perimeter.

Binary to Decimal Converter

Basic

Binary to Decimal Converter is evaluated from Number to Convert and Convert From. The calculation reports Decimal, Binary and Hexadecimal.

Matrix Calculator

Intermediate

Matrix is evaluated from Operation, Matrix A - Row 1, Col 1 and Matrix A - Row 1, Col 2. The calculation reports Result [1,1], Result [1,2] and Result [2,1].

Mean, Median & Mode Calculator

Basic

Mean, Median & Mode is evaluated from Data Values. The calculation reports Mean, Median and Mode.

Quadratic Equation Solver

Intermediate

Quadratic Equation Solver is evaluated from a, b and c. The calculation reports Discriminant, Root x₁ and Root x₂.

Complex Number Calculator

Intermediate

Complex Number is evaluated from First Number - Real Part, First Number - Imaginary Part and Second Number - Real Part. The calculation reports Sum Real Part, Sum Imaginary Part and Difference Real Part.

Sin Cos Tan Calculator

Basic

Sin Cos Tan is evaluated from Angle and Angle Unit. The calculation reports sin, cos and tan.

Determinant Calculator

Intermediate

Determinant is evaluated from Matrix Size, Row 1, Col 1 and Row 1, Col 2. The calculation reports Determinant |A|, Trace tr and Singular?.

Hex to Decimal Converter

Basic

Hex to Decimal Converter is evaluated from Value to Convert and Input Base. The calculation reports Hexadecimal, Decimal and Binary.

Inverse Trig Calculator

Intermediate

Inverse Trig is evaluated from Function and Input Value. The calculation reports Angle, Angle and Angle.

Linear Equation Solver

Basic

Linear Equation Solver is evaluated from a, b and c. The calculation reports Solution x, Solution Type and Verification.

Percentage Change Calculator

Basic

Percentage Change is evaluated from Original Value and New Value. The calculation reports Percentage Change, Absolute Change and Direction.

Perimeter Calculator

Basic

Perimeter is evaluated from Shape, Length / Side / Radius and Width / Side 2. The calculation reports Perimeter / Circumference and Area.

Complex Number Polar Converter

Intermediate

Complex Number Polar Converter is evaluated from Real Part - from Rectangular Form and Imaginary Part - from a + bi. The calculation reports Modulus r = |z|, Argument θ and Argument θ.

Standard Deviation Calculator

Intermediate

Standard Deviation is evaluated from Data Values and Calculation Type. The calculation reports Mean, Variance and Standard Deviation.

Degrees to Radians Calculator

Basic

Degrees to Radians is evaluated from Angle Value, Input Unit and Radius. The calculation reports Degrees, Radians and Gradians.

Octal to Decimal Converter

Basic

Octal to Decimal Converter is evaluated from Value to Convert and Input Base. The calculation reports Octal, Decimal and Binary.

Percentage Difference Calculator

Basic

Percentage Difference is evaluated from Value A and Value B. The calculation reports Percentage Difference, Absolute Difference and Average of A and B.

System of Linear Equations Solver (2×2)

Intermediate

System of Linear Equations Solver (2 x 2) is evaluated from a₁, b₁ and c₁. The calculation reports x, y and Determinant.

Variance Calculator

Intermediate

Variance is evaluated from Data Values and Variance Type. The calculation reports Mean, Variance and Standard Deviation.

Volume Calculator

Basic

Volume is evaluated from Shape, Length / Side / Radius and Width / Radius. The calculation reports Volume, Volume in Gallons and Volume in Liters.

Matrix Inverse Calculator

Intermediate

Matrix Inverse is evaluated from Matrix A[1,1], Matrix A[1,2] and Matrix A[2,1]. The calculation reports Determinant, A⁻¹[1,1] and A⁻¹[1,2].

Modulus and Argument Calculator

Intermediate

Modulus and Argument is evaluated from Real Part and Imaginary Part. The calculation reports |z| Modulus, |z|^2 = a^2 + b^2 and arg in Radians.

Base Converter

Intermediate

Base Converter is evaluated from Number to Convert, From Base and To Base. The calculation reports Result, Decimal Intermediate and Digits Used.

Fraction Calculator

Basic

Fraction is evaluated from Numerator 1, Denominator 1 and Operation. The calculation reports Result, Result and Mixed Number Form.