Category Math & Percentage Calculators

Math & Percentage Calculators for Everyday Calculations

Instantly handle percentages, fractions, ratios, averages and everyday math problems with fast, accurate and easy-to-use calculation tools.

Explore Our Math & Percentage Calculators

This category brings together a powerful collection of math calculators designed to simplify everyday number problems. Whether you need to calculate percentages, solve fractions, determine ratios, find averages or perform quick checks, these tools provide instant answers using precise mathematical formulas.

Ideal for students, teachers, professionals and everyday users, each calculator is mobile-friendly, easy to use and delivers accurate results in real time as you enter your values.

Scientific Calculator
Solve advanced math with functions, trig, logs, and constants.
Fraction Calculator
Add, subtract, multiply, and divide fractions with steps.
Exponent Calculator
Calculate exponents and powers with negative and decimal inputs.
Binary Calculator
Convert and calculate binary values with fast base operations.
Hex Calculator
Convert and calculate hexadecimal values with base-16 tools.
Log Calculator
Calculate logarithms with any base, including ln and log10.
Root Calculator
Calculate roots including square, cube, and nth roots.
Factor Calculator
Find all factors of a number and list factor pairs.
Least Common Multiple Calculator
Calculate LCM of numbers quickly using factorization methods.
Greatest Common Factor Calculator
Calculate GCF (GCD) and simplify ratios and fractions.
Prime Factorization Calculator
Factor numbers into primes and show prime power form.
Common Factor Calculator
Find common factors across numbers and compare divisors.
Modular Arithmetic Calculator
Solve modular arithmetic operations and congruence results.
Polynomial Regression Calculator
Fit polynomial regression and get equation and predictions.
Factorial Calculator
Calculate factorials, permutations, and large n! values.
Scientific Notation Calculator
Convert numbers into scientific notation and standard form.
Big Number Calculator
Work with very large numbers and digit-length conversions.
Linear Regression Calculator
Run linear regression to find slope, intercept, and fit.
Prime Number Calculator
Check if a number is prime and list primes in a range.
Sequence Sum Calculator
Calculate sequence sums and series totals from terms.
Square Root Calculator
Find square roots with decimals, simplification, and checks.
Triangle Calculator
Solve triangle sides, angles, area, and perimeter fast.
Circle Calculator
Calculate circle radius, diameter, circumference, and area.
Surface Area Calculator
Calculate surface area for common 2D and 3D shapes.
Area Calculator
Calculate area for rectangles, triangles, circles, and more.
Volume Calculator
Calculate volume for prisms, cylinders, spheres, and more.
Right Triangle Calculator
Solve right triangles: sides, angles, and trigonometry.
Pythagorean Theorem Calculator
Use a²+b²=c² to solve triangle sides and distances.
Slope Calculator
Calculate slope between points and equation of a line.
Board Foot Calculator
Calculate board feet for lumber from length, width, and thickness.
Percentage Change Calculator
Calculate percentage change between two values instantly.
Standard Deviation Calculator
Calculate standard deviation, variance, and mean quickly.
Percent Error Calculator
Calculate percent error from experimental and true values.
Probability Calculator
Solve probability problems with outcomes and events.
Statistics Calculator
Run statistics calculations for datasets and distributions.
Mean, Median, Mode, Range Calculator
Find mean, median, mode, and range for any dataset.
Permutation and Combination Calculator
Calculate permutations and combinations for counting problems.
Combination Calculator
Calculate combinations (nCr) and selection counts quickly.
Z-score Calculator
Calculate z-scores and standardize values from a dataset.
Sample Size Calculator
Estimate sample size for surveys using margin of error.
Confidence Interval Calculator
Calculate confidence intervals for means and proportions.
P-value Calculator
Calculate p-values from test statistics and tails.
Binomial Probability Calculator
Calculate binomial probability for successes in n trials.
Normal Distribution Calculator
Calculate probabilities using the normal distribution curve.
Poisson Distribution Calculator
Calculate Poisson probabilities for event counts per interval.
Geometric Distribution Calculator
Calculate geometric distribution probabilities and expectations.
t-Test Calculator
Run a t-test and calculate significance from sample inputs.
z-Test Calculator
Run a z-test using population assumptions and sample stats.
Chi-Square Calculator
Calculate chi-square statistics and expected frequencies.
ANOVA Calculator
Run ANOVA to compare means across multiple groups.
Correlation Coefficient Calculator
Calculate correlation coefficient and strength of relationship.
Regression Line Calculator
Find the regression line equation and make predictions.
Logarithmic Regression Calculator
Fit logarithmic regression and generate predicted values.
Exponential Regression Calculator
Fit exponential regression and forecast growth or decay.
Mean Absolute Deviation Calculator
Calculate mean absolute deviation to measure dispersion.
Mean Variance Calculator
Calculate mean and variance with step-by-step dataset stats.
Confidence Level Calculator
Convert confidence level into alpha and critical probability.
Critical Value Calculator
Find critical values for z, t, and chi-square distributions.
Birthday Paradox Calculator
Calculate birthday paradox probability for shared birthdays.
Series Convergence Calculator
Test series convergence using common convergence rules.
Binomial Distribution Calculator
Calculate binomial distribution probabilities and CDF values.
Sampling Distribution Calculator
Analyze sampling distributions and standard errors quickly.
Negative Binomial Calculator
Calculate negative binomial probabilities and expected trials.
Variance Calculator
Calculate variance for a dataset using population or sample.
Mean Calculator
Calculate mean (average) from lists of numbers instantly.
Entropy Calculator
Calculate entropy to measure uncertainty and information.
Odds Converter Calculator
Convert odds formats and implied probabilities instantly.
Derivative Calculator
Calculate derivatives and slopes for common functions.
Integral Calculator
Calculate integrals and area under curves for functions.
Limit Calculator
Calculate limits and evaluate function behavior near points.
Multivariable Calculus Calculator
Solve multivariable calculus problems for partial derivatives.
Vector Calculator
Solve vector operations including add, subtract, and scale.
Dot Product Calculator
Calculate dot product and angle between vectors quickly.
Cross Product Calculator
Calculate cross product and vector direction in 3D.
Differential Equation Calculator
Solve differential equations with common solution forms.
Matrix Calculator
Perform matrix operations: add, multiply, and transpose.
Matrix Determinant Calculator
Calculate matrix determinant for 2x2, 3x3, and nxn.
Matrix Rank Calculator
Calculate matrix rank and identify linear independence.
Matrix Inverse Calculator
Find matrix inverse and verify results with multiplication.
Eigenvalue Calculator
Calculate eigenvalues from square matrices and polynomials.
Eigenvector Calculator
Calculate eigenvectors corresponding to eigenvalues quickly.
Summation Calculator
Calculate summations (sigma notation) for sequences and series.
Number Sequence Calculator
Identify number sequences and compute nth-term values.
Fibonacci Sequence Calculator
Generate Fibonacci sequence terms and sums quickly.
Lattice Point Calculator
Calculate lattice points and apply Pick’s theorem basics.
Combinatorics Calculator
Solve combinatorics counts with permutations and combinations.
Permutation Rank Calculator
Calculate permutation rank and ordering for sequences.
Vector Magnitude Calculator
Calculate vector magnitude and length from components.
Speed Distance Time Calculator
Solve speed, distance, or time using two known values.
Permutation Calculator
Calculate permutations (nPr) and ordering counts instantly.
Algebra Calculator
Solve algebra problems and simplify expressions with step-by-step output.
Equation Solver
Solve equations for x (linear/quadratic) and show solution steps.
Math Solver with Steps
Solve common math problems and show clear steps to the answer.
Long Division Calculator
Do long division with steps, quotient, and remainder.
Fraction Simplifier Calculator
Reduce fractions to simplest form with steps.
Decimal to Fraction Calculator
Convert decimals (including repeating) to simplified fractions.
Fraction to Percent Converter
Convert a fraction to a percentage with steps and rounding.
Ratio Calculator
Simplify ratios and solve missing ratio values.
Proportion Calculator
Solve proportions and find missing values using cross-multiplication.
Rounding Calculator
Round values to decimals, significant figures, or nearest fraction.
Percent Off Calculator
Calculate percent off, discount amount, and final price.
Percentage Difference Calculator
Compute percentage difference between two values (symmetric).
Percentage Growth Calculator
Calculate growth rate and percent increase over time.
Decimal Calculator
Add, subtract, multiply, and divide decimals with precision settings.
Division Calculator
Divide numbers with quotient, remainder, and decimal output.
CM to inches converter
Convert centimeters to inches with decimal and fraction results.
MM to Inches Converter
Convert millimeters to inches with decimal and fractional options.
Meters to Feet Converter
Convert meters to feet with decimals and feet+inches format.
CM to Feet Converter
Convert centimeters to feet (and inches) for height conversions.
Square Meter to Square Feet Converter
Convert m² to ft² for floors, land, and plans.
mg to mL Converter
Convert mg to mL using density (g/mL) and show the formula.
Feet to Inches Converter
Convert feet to inches and inches+feet formats.
Meters to Inches Converter
Convert meters to inches for measurements and sizing.
CM to MM Converter
Convert centimeters to millimeters instantly.
Quadratic Formula Calculator
Solve ax²+bx+c using the quadratic formula with clear step-by-step roots.
System of Equations Solver
Solve 2–4 variable linear systems using elimination or matrix methods.
Inequality Solver
Solve linear and quadratic inequalities and return interval notation.
Completing the Square Calculator
Rewrite quadratics in vertex form by completing the square with steps.
Polynomial Long Division Calculator
Divide polynomials and show quotient and remainder in long-division format.
Synthetic Division Calculator
Use synthetic division to divide by (x−r) quickly and verify the remainder.
Partial Fractions Calculator
Break rational expressions into partial fractions for easier algebra and calculus.
Distance Between Two Points Calculator
Find the distance between two points in 2D or 3D using the distance formula.
Midpoint Calculator
Calculate the midpoint of two points in 2D or 3D coordinates instantly.
Point-Slope Form Calculator
Build a line equation from a point and slope and convert to common forms.
Line From Two Points Calculator
Create the equation of a line from two points with slope and intercept shown.
Parallel & Perpendicular Line Calculator
Generate parallel or perpendicular line equations through a given point.
Line Intersection Calculator
Find the intersection point of two lines and detect parallel cases.
Circle Equation Calculator
Get the circle equation from center and radius, and convert between forms.
Degrees to Radians Converter
Convert angles between degrees and radians with exact and decimal results.
Law of Sines Calculator
Solve triangles using the Law of Sines and identify ambiguous SSA cases.
Law of Cosines Calculator
Solve triangles using the Law of Cosines for SAS and SSS inputs.
Complex Number Calculator
Add, subtract, multiply, and divide complex numbers with simplified output.
Polar ↔ Rectangular Converter
Convert complex numbers between a+bi and r∠θ (polar) with steps.
De Moivre’s Theorem Calculator
Compute powers and roots of complex numbers using De Moivre’s theorem.
Percentile Calculator
Calculate percentile rank or find the value at a given percentile.
Quartile Calculator
Compute Q1, Q2 (median), and Q3 with selectable quartile methods.
IQR Calculator
Calculate interquartile range (IQR) and summarize spread robustly.
Outlier Calculator
Detect outliers using the 1.5×IQR rule and show lower/upper fences.
Weighted Average Calculator
Compute weighted averages for grades, pricing, and scoring with totals shown.
Covariance Calculator
Calculate covariance for paired datasets using sample or population formulas.
Bayes’ Theorem Calculator
Solve Bayes’ theorem problems and compute posterior probability clearly.
Modular Inverse Calculator
Find the modular multiplicative inverse using the extended Euclidean algorithm.
Base Converter Calculator
Convert numbers between any bases from 2 to 36 and show grouped digits.
RREF Calculator
Row-reduce a matrix to RREF using Gauss–Jordan elimination and show steps.

Math & Percentage Calculators: Your Complete Guide to Fast & Accurate Calculations

Math and percentage calculators are essential tools for anyone who needs to work with numbers on a daily basis. From school homework and business reports to shopping discounts and financial planning, math is part of everyday life. These calculators take complex operations and turn them into instant, accurate solutions.

This category offers a wide range of tools to help you manage basic arithmetic, percentages, ratios, fractions and more, without the need for manual calculations or formulas.

Why Math & Percentage Calculators Matter

Manual calculations are time-consuming and prone to human error, especially when dealing with multiple steps, decimals, percentages or large numbers. Math calculators remove this friction by giving you instant, error-free results.

  • Save time on everyday calculations
  • Eliminate math errors
  • Improve learning through instant verification
  • Support academic, professional and personal needs
  • Boost confidence when working with numbers

Most Popular Types of Math Calculators

1. Percentage Calculators

Used to calculate discounts, markups, tax, tips, profit margins and growth rates. Percentage calculators are among the most widely used math tools in everyday life.

2. Fraction Calculators

These tools simplify, add, subtract, multiply and divide fractions instantly, making them ideal for students and professionals.

3. Ratio Calculators

Ratio calculators help divide quantities proportionally for recipes, construction, design, finance and scaling projects.

4. Average & Mean Calculators

Used to compute averages for grades, expenses, statistics and data analysis.

5. Power, Root & Exponent Calculators

Solve square roots, cube roots and exponent values instantly.

6. Rounding & Significant Figure Calculators

Used in education, science and statistics to maintain numerical precision.

How Math Calculators Improve Learning & Productivity

Math calculators help students verify homework instantly, professionals validate reports quickly, and everyday users make smarter decisions with numbers.

1. Faster Problem Solving

Solutions appear immediately, saving time and effort.

2. Error Reduction

Eliminates mistakes caused by rushed or complex manual calculations.

3. Improved Understanding

Seeing instant results helps reinforce mathematical concepts.

4. Increased Efficiency

Essential for office work, finance, engineering, retail and education.

Who Should Use Math & Percentage Calculators?

  • Students – homework, exams and practice
  • Teachers – quick verification and lesson planning
  • Office professionals – reports, sales, statistics
  • Retail workers – pricing, discounts, tax
  • Everyday users – shopping, budgeting, personal finance

Key Features of Our Math Calculators

  • Instant real-time results
  • Simple input fields
  • Mobile-friendly design
  • Precise mathematical accuracy
  • No sign-up required
  • Unlimited free usage

How to Choose the Right Math Calculator

  • Discounts & tax? → Use percentage calculator
  • Homework? → Use fraction, ratio or root calculator
  • Statistics? → Use averages and rounding tools
  • Science & engineering? → Use exponent and root tools

Final Thoughts

Math and percentage calculators make everyday problem-solving faster, easier and more accurate. Whether you're managing finances, studying for exams, running a business or simply shopping smarter, these tools give you instant clarity with numbers.

Use them regularly to save time, avoid errors and work with confidence.

FAQs

Math & Percentage Calculators – Frequently Asked Questions

Common questions about everyday math, percentage and number calculators.

Math calculators help with percentages, fractions, ratios, averages, roots, powers and everyday numerical problems.

Yes. All tools use strict mathematical formulas to ensure precision and accuracy.

Absolutely. These tools are ideal for students at all levels to verify calculations and build confidence.

Yes. All calculators are completely free with unlimited access.

Yes. All calculators are fully responsive and work on phones, tablets and desktops.