All Online Tools & Free Calculators

Calculate powers a^b, negative exponents, fractional roots, scientific notation, and modular exponentiation.

Calculate logarithms for any base, natural log ln(x), common log log10(x), and binary log log2(x).

Round numbers to nearest integer, decimals, or place value using Half Up, Banker's Rounding, Ceil, and Floor.

Find the Greatest Common Factor (GCF / GCD / HCF) of any set of numbers with step-by-step Euclidean algorithm divisions.

Find integer quotient, remainder, mixed fraction, and decimal value for any division a ÷ b.

Calculate absolute value |x|, 1D distance |A - B|, complex modulus |a + bi|, and solve |ax + b| = c.

Calculate single event probability, complementary events, two independent events, and odds ratios.

Calculate line slope m, inclination angle, grade percentage, and equation y = mx + b.

Calculate 2D/3D midpoint coordinates M, half-segment length, and solve for missing endpoints.

Calculate 2D and 3D Euclidean distance between coordinates, Manhattan metric, and displacement vectors.

Calculate triangle area via Heron's formula, perimeter, all 3 angles, and inradius/circumradius.

Calculate rectangle area, perimeter, diagonal, and circumcircle with step-by-step geometry formulas.

Calculate surface area and perimeter for circle, rectangle, triangle, trapezoid, and ellipse.

Calculate 3D volume, total surface area, and liquid capacity for 6 solid figures.

Calculate sphere volume, surface area, radius, diameter, and hemisphere properties with step-by-step formulas.

Calculate cylinder volume, lateral area, total surface area, and fluid capacity with step-by-step formulas.

Calculate cone volume, slant height, lateral area, and total surface area with step-by-step formulas.