Home / Math
CALCULATOR CATEGORY
Math Calculators
Percentage, fraction, algebra, science and conversion calculators. Browse 91 free tools in this category.
Showing all 91 calculators
- Percentage Increase CalculatorCalculate the percentage increase between an original value and a new value. See the absolute change and the percentage…
- System Of Equations CalculatorSystem Of Equations Calculator: solve a system of two linear equations for x and y. Free, instant and easy to use – no …
- Exponent CalculatorCalculate powers using a base and exponent. Review how zero, negative and fractional exponents affect the result.
- Golden Calculator To DivideGolden Calculator To Divide: divide numbers with a remainder and split a total using the golden ratio. Free, instant an…
- Interpolation CalculatorInterpolation Calculator: estimate a value between two known points by linear interpolation. Free, instant and easy to …
- NEB Tm CalculatorNEB Tm Calculator: estimate the melting temperature (Tm) of a DNA primer from its sequence. Free, instant and easy to u…
- Square Roots On CalculatorSquare Roots On Calculator: find the square root, cube root and nearest perfect squares of any number. Free, instant an…
- Calculate Online PercentageCalculate Online Percentage: calculate a percentage of a number, what percent one number is of another, and increases o…
- Percentage Calculator IncreasePercentage Calculator Increase: increase or decrease any number by a percentage. Free, instant and easy to use – no sig…
- TI-30XIIS CalculatorTI-30XIIS Calculator: a free online scientific calculator with trig, logs, powers and roots. Free, instant and easy to …
- Bazic Pocket Size CalculatorBazic Pocket Size Calculator: a free online scientific calculator with trig, logs, powers and roots. Free, instant and …
- Calculator with Sin Tan CosCalculator with Sin Tan Cos: a free online scientific calculator with trig, logs, powers and roots. Free, instant and e…
- Electronegativity CalculatorElectronegativity Calculator: find the electronegativity difference, bond type and ionic character of two elements. Fre…
- Percentage Increase Between Two NumbersPercentage Increase Between Two Numbers: calculate the percentage increase or decrease from one number to another. Free…
- Square Feet CalculatorSquare Feet Calculator: calculate area in square feet for rectangles, triangles and circles. Free, instant and easy to …
- TI-84 Plus CE CalculatorTI-84 Plus CE Calculator: a free online scientific calculator with trig, logs, powers and roots. Free, instant and easy…
- Texas Instruments TI-30XIIS Scientific CalculatorTexas Instruments TI-30XIIS Scientific Calculator: a free online scientific calculator with trig, logs, powers and root…
- Calculator Online Free ScientificCalculator Online Free Scientific: a free online scientific calculator with trig, logs, powers and roots. Free, instant…
- Reducing Fractions CalculatorReducing Fractions Calculator: reduce any fraction to its simplest form. Free, instant and easy to use – no sign-up nee…
- Division with Remainders CalculatorDivision with Remainders Calculator: divide whole numbers and see the quotient, remainder and decimal. Free, instant an…
- Theoretical Yield CalculatorTheoretical Yield Calculator: calculate theoretical yield and percent yield from the limiting reagent. Free, instant an…
- G to mL CalculatorG to mL Calculator: convert grams to millilitres using the density of common ingredients. Free, instant and easy to use…
- Inches into Decimals CalculatorInches into Decimals Calculator: convert inches and fractions to decimal inches, millimetres and feet. Free, instant an…
- Hex to Decimal Calculator OnlineHex to Decimal Calculator Online: convert hexadecimal numbers to decimal, binary and octal. Free, instant and easy to u…
- AI Maths CalculatorFree online scientific calculator for fast maths with trigonometry, logarithms, powers and roots. Not an AI tool, just …
- Trigonometry Triangle CalculatorTrigonometry Triangle Calculator: solve a right triangle from two sides or a side and an angle. Free, instant and easy …
- R C Filter CalculatorR C Filter Calculator: calculate the cutoff frequency and time constant of an RC filter. Free, instant and easy to use …
- Web 2.0 Scientific CalculatorA modern browser-based scientific calculator that works on phones, tablets and desktops.
- Dice Odds CalculatorDice Odds Calculator: find the probability of rolling an exact, minimum or maximum total with any number of dice. Free …
- Fraction and Exponent CalculatorFraction and Exponent Calculator: raise a fraction to a power, including negative exponents. Free, instant and easy to …
- Gram to mL CalculatorGram to mL Calculator: convert grams to millilitres or millilitres to grams for common ingredients. Free, instant and e…
- Grams to mg CalculatorGrams to mg Calculator: convert grams, kilograms, ounces and pounds into milligrams. Free, instant and easy to use – no…
- Litres to Lbs CalculatorLitres to Lbs Calculator: convert litres to pounds for water, fuel, milk and other liquids. Free, instant and easy to u…
- Log Graphing CalculatorType any function of x to plot it. Try ln(x), log(x) or ln(x)-2.
- Calculator FX-115ES PlusScientific calculator with trigonometry, logarithms, powers, roots and brackets. Not affiliated with Casio.
- How to Calculate Circumference to DiameterHow to Calculate Circumference to Diameter: convert a circumference into diameter, radius and area. Free, instant and e…
- Linear Square Feet CalculatorLinear Square Feet Calculator: convert between linear feet and square feet for boards, flooring and fabric. Free, insta…
- Online Calculator for Standard DeviationOnline Calculator for Standard Deviation: calculate mean, sample and population standard deviation for a list of number…
- Ounces in Pounds CalculatorOunces in Pounds Calculator: convert ounces to pounds and pounds to ounces. Free, instant and easy to use – no sign-up …
- TI84+ Calculator Online GraphingFree online graphing calculator to plot functions like a TI-84: sin(x), x^2 and more. Not affiliated with Texas Instrum…
- Weerstand Parallel CalculatorVoer tot vier weerstanden in (in ohm) om de totale weerstand van een parallelschakeling te berekenen.
- Decimal to Inches Conversion CalculatorDecimal to Inches Conversion Calculator: convert decimal inches into the nearest fraction of an inch. Free, instant and…
- Find the LCD CalculatorFind the LCD Calculator: find the least common denominator of two or more fractions. Free, instant and easy to use – no…
- Graphing a Piecewise Function CalculatorWrite each piece with a condition: condition ? value_if_true : value_if_false.
- How to Do Arctan on CalculatorHow to Do Arctan on Calculator: find arctan (inverse tangent) in degrees and radians. Free, instant and easy to use – n…
- Length of Roll CalculatorLength of Roll Calculator: calculate how much material is on a roll from its diameters and thickness. Free, instant and…
- Percent by Mass CalculatorPercent by Mass Calculator: calculate the percent by mass (weight percent) of a solute in a solution. Free, instant and…
- Polar Curve CalculatorEnter r as a function of t (the angle in radians) to plot a polar curve.
- kVA in kW CalculatorkVA in kW Calculator: convert kVA to kW or kW to kVA with power factor, and find the current. Free, instant and easy to…
- Area CalculatorCalculate area for a rectangle, triangle or circle.
- Basic CalculatorPerform everyday addition, subtraction, multiplication and division.
- Big Number CalculatorAdd, subtract and multiply large whole integers without floating-point rounding.
- Binary CalculatorConvert whole numbers to binary and perform basic integer arithmetic.
- Circle CalculatorCalculate a circle’s area, circumference and diameter from its radius.
- Distance CalculatorCalculate straight-line distance between two points in a 2D coordinate plane.
- Factor CalculatorList all positive factors and factor pairs of an integer.
- General Conversion CalculatorConverts between the supported pairs: kilometres/miles, kilograms/pounds and Celsius/Fahrenheit. Free online calculator.
- General Percentage CalculatorFind a percentage of a number and calculate values after a percentage increase or decrease.
- General Ratio CalculatorSimplify an integer ratio and calculate each part’s share.
- Greatest Common Factor CalculatorFind the greatest common factor of two integers.
- Half-Life CalculatorEstimate the amount remaining after exponential half-life decay.
- Hypergeometric CalculatorFind the probability of a specified number of successes when drawing from a finite population without replacement.
- Hypotenuse CalculatorFind the hypotenuse of a right triangle from its two perpendicular sides using the Pythagorean theorem, c = √(a² + b²).
- Least Common Multiple CalculatorFind the least common multiple of two positive integers.
- Log CalculatorUse the Log Calculator (log calculator) to calculate an estimate from your inputs. Review units and assumptions before …
- Long Division CalculatorDivide a dividend by a divisor and review the quotient and remainder. Check that the divisor is not zero and that the i…
- Matrix CalculatorAdd, subtract and multiply two 2×2 matrices and calculate their determinants.
- Mean Absolute Deviation CalculatorCalculate the mean and mean absolute deviation of a data set to summarize the average distance from the mean.
- Mean Median Mode and Range CalculatorCalculate the mean, median, mode and range of a number set. Enter valid numeric values and review how repeated values a…
- Normal CDF CalculatorCalculate the cumulative probability to the left of a z-score under the standard normal distribution.
- Number Sequence CalculatorGenerate an arithmetic sequence from a starting number, common difference and term count.
- P-Value CalculatorEstimate a two-tailed p-value from a z statistic using the standard normal distribution.
- Percent Error CalculatorCompare an experimental value with a reference value using absolute percent error.
- Prime Factorization CalculatorFind the prime factorization of a positive integer.
- Probability CalculatorCalculate simple event probability from favorable and total outcomes.
- Pythagorean Theorem CalculatorFind a missing side of a right triangle using a² + b² = c².
- Quadratic Formula CalculatorSolve ax² + bx + c = 0 and show its discriminant and roots.
- Random Number GeneratorGenerate random integers within an inclusive minimum and maximum.
- Right Triangle CalculatorCalculate the hypotenuse, acute angles, area and perimeter from two legs.
- Roman Numeral ConverterConverts integers from 1 through 3999 to standard Roman numerals using subtractive notation.
- Root CalculatorCalculate square roots and nth roots of real numbers where defined.
- Rounding CalculatorRound a decimal number to a selected number of decimal places.
- Sample Size CalculatorEstimate survey sample size for a population proportion and chosen confidence level.
- Scientific CalculatorEvaluate arithmetic expressions using common scientific functions, powers and parentheses.
- Scientific Notation CalculatorConvert a number to normalized scientific notation and back to decimal form.
- Slope CalculatorCalculate the slope between two points and identify horizontal or vertical lines.
- Standard Deviation CalculatorCalculate population and sample standard deviation for a list of numbers.
- Statistics CalculatorSummarize a numeric data set with count, sum, mean, median, range and standard deviation.
- Surface Area CalculatorCalculate surface area for a cube, box, sphere or cylinder.
- Volume CalculatorCalculate volume for a rectangular prism, cylinder, sphere or cone.
- Z-Score CalculatorCalculate how many standard deviations a value is above or below the mean.