Math Calculators | Mr. Calco

Pick a shape, enter the dimensions, and get the area in square metres and square feet — for rooms, plots, craft projects…

Use this calculator when order does not matter — committee picks, lottery choices, product bundles, and menu pairings.…

Enter coordinates for two points on a 2D plane to calculate straight-line distance.…

Work with two fractions: choose an operation, enter numerators and denominators, and get a simplified result plus a deci…

Compute a credit-weighted grade point average from your courses. Enter grade points paired with credits (or use the GPA …

Use this calculator for algebra homework, quick checks, and practical line calculations in planning, charting, and engin…

Use this calculator for exponential models, compound growth and decay, pH and decibel scales, and algebra practice where…

Find what percentage one number is of another, or calculate increases and decreases.…

Pick a shape, enter the dimensions, and get the perimeter in metres and feet — for fencing, framing, landscaping, and ge…

Use this calculator when order matters — rankings, seat assignments, PIN patterns, route sequences, and scheduling arran…

Use this tool for stairs, roof pitch layouts, room diagonals, and quick right-triangle checks in school or on site.…

Calculate population standard deviation from a comma-separated list of numbers — a measure of how spread out values are …

Use this calculator to solve two linear equations in two unknowns for algebra, intersection points, and practical mixtur…

Pick a measurement type, enter a value, and convert between common metric and imperial units — including internet speed …

Pick a solid, enter the dimensions, and get the volume in cubic metres and cubic feet — for tanks, packing, shipping, an…

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