Math & Calculators: Free Online Tools: ToolBundle

Calculate percentages, tips, discounts, and tax instantly.

Perform advanced arithmetic, trigonometric, logarithmic, and factorial calculations.

Convert fractions to decimal values (with repeating periods) and vice versa.

Solve proportions (A:B = C:D), scale ratios, and simplify multi-value ratios.

Check if two ratios are proportional, and solve direct or inverse proportions.

Calculate the mean, median, mode, range, min, max, and count of a data set.

Calculate population and sample standard deviation, variance, and mean with step-by-step breakdown.

Solve triangles by sides or angles, compute area/perimeter, heights, inradius/circumradius, and view drawing.

Compute the area and perimeter of flat shapes including rectangles, circles, triangles, and polygons.

Calculate the volume and surface area of solids like spheres, cylinders, cones, and prisms.

Calculate permutations/combinations (nPr, nCr), single/multi-event probabilities, and binomial distribution.

Perform matrix addition, subtraction, multiplication, determinants, transpose, and inverses up to 4x4.

Solve linear, quadratic, and cubic equations, or 2x2 and 3x3 linear equation systems with step-by-step math.

Convert units across 5 categories: length, weight, temperature, speed, data.

Calculate Body Mass Index with ideal weight and health insights.

Calculate loan payments with amortization schedule.

Calculate exact age with zodiac sign and next birthday countdown.

Split bills and calculate tips easily with custom currency and formats.