Free Math Calculators & Scientific Solvers
From percentage calculations to standard deviation and fractions, calculate complex mathematical operations instantly in your browser.
Available Math (12)
100% Free & UnlimitedA tactile, everyday basic calculator featuring arithmetic operators, parentheses, memory, and calculation history.
Advanced scientific calculator with trigonometric functions, degrees/radians toggle, logarithms, powers, and roots.
Convert values to engineering SI metric prefixes (k, M, G, m, u, n, p) and solve Ohm’s Law circuits.
Add, subtract, multiply, and divide fractions and mixed numbers with step-by-step simplification and LCD.
Solve percentage of a value, percentage comparison, percentage increase/decrease, and value adjustments.
Solve triangles using Heron’s formula, SSS, SAS, and right-triangle rules with area, perimeter, and angles.
Compute sample and population standard deviation, variance, mean, median, IQR, and statistical summary.
Generate customizable ranges of random integers, dice rolls, coin flips, with optional duplicate exclusion and sorting.
Convert units across length, mass, temperature, volume, area, speed, time, and digital storage.
Calculate cumulative unweighted 4.0 GPA and weighted 5.0 GPA with custom credit hours and honors/AP weighting.
Calculate weighted overall course grades and find the exact score needed on your final exam to reach a target grade.
Estimate required concrete volume in cubic yards and meters for slabs, footings, and cylindrical columns with bag counts.
Underlying Mathematical & Technical Formulas
Standard formulas utilized in our client-side calculation engines
Δ% = ((New - Old) / |Old|) * 100Computes the relative percentage increase or decrease between two values.
Frequently Asked Questions
Can I use these math tools for exams or homework?
Yes, our calculators show clean results with zero intrusive ads or confusing popups.