658 calculators

Math Calculators


Maths is always daunting, there’s no way around it. But thanks to our collection of maths calculators, everyone can perform and understand useful mathematical calculations in seconds. Are you scared of trigonometry? Do you think geometry is “too complicated”? Fear not! Omni Calculator has your back, with a comprehensive array of calculators designed so that people with any level of mathematical knowledge can solve complex problems effortlessly. We have all sorts of triangle calculators, polygon calculators, perimeter, area, volume, trigonometric functions, algebra, percentages… You name it, we have it! In addition to the top-notch mathematical calculators, we include accurate yet straightforward descriptions of mathematical concepts to shine some light on the complex problems you never seemed to understand

Math Collections

Top math calculators

Percentage Increase Calculator

Percentage increase calculator calculates the increase of one value to the next in terms of percent.

Circumference Calculator

Use this free circumference calculator to find the area, circumference and diameter of a circle.

Right Triangle Side and Angle Calculator

How to find the missing side or angle of a right triangle? We have the answer! Check it with our right triangle side and angle calculator.

Significant Figures Calculator – Sig Fig

The significant figures calculator performs operations on sig figs and shows you a step-by-step solution!

Average Calculator

Calculate the average (mean) of up to 30 numbers with our user-friendly tool. Discover how to find averages or perform quick calculations effortlessly.

Trigonometry Calculator

Effortlessly find trigonometric function values (sin, cos, tan, cot) or solve for missing sides or angles in a right triangle using our remarkable tool crafted by experts.

Slope Calculator

Calculate the slope of a line through two given points using the slope calculator. Discover the slope formula and learn how to find slope with two points.

Arc Length Calculator

Our arc length calculator can calculate the length of an arc of a circle and the area of a sector.

Midpoint Calculator

Easily find the midpoint between two Cartesian coordinates using our midpoint calculator. Master the midpoint formula or calculate instantly!

Cylinder Volume Calculator

The cylinder volume calculator helps in the calculation of the right, oblique and hollow cylinder volume.

Percentage Calculator

Use our free online percentage calculator for precise results. Learn how to calculate percentages or get quick answers with us.

Antilog Calculator – Antilogarithm

The antilog calculator determines the value of an antilogarithm with an arbitrary base.

Distance Calculator

Distance calculator helps you find the distance between two points on a Cartesian coordinate system.

Point Slope Form Calculator

The point-slope form calculator will show you how to find the equation of a line from a point on that line and the line's slope.

Hypotenuse Calculator

How to find the hypotenuse of a right triangle? What is the hypotenuse of a right triangle formula?