FORMULAS, SHAPES, TIME, AND NUMBER TOOLS

Math & Geometry Calculators

Calculate area, volume, time, travel relationships, fractions, averages, and casual random integers.

Choose a calculator

Open a tool and adjust its assumptions for your situation.

7 tools

Shapes and movement

Area, volume, duration, and speed-distance-time relationships.

Area CalculatorCalculate area and boundary for common shapes.Volume CalculatorCalculate cuboid, cube, cylinder, or sphere volume.Time Duration CalculatorCalculate elapsed hours across midnight and subtract a break.Speed, Distance and Time CalculatorCalculate one travel value from the other two.

Numbers and arithmetic

Fractions, averages, and casual random-number generation.

Fraction CalculatorAdd, subtract, multiply, or divide two fractions.Average CalculatorCalculate mean, minimum, maximum, and range for five values.Random Number GeneratorGenerate whole numbers inside an inclusive range.

Planning guide

area calculator searches, explained

Choose the matching shape or arithmetic relationship, enter consistent units, and review both the calculation and unit-labelled result.

People usually come here to: Solve a focused geometry, time, movement, or arithmetic problem with the formula and units visible.

Before you use these estimates

Keep units consistent and use the displayed formula. Real construction, survey, engineering, safety, or regulated uses require appropriate measurement and professional checks.