Basic Calculator
Add, subtract, multiply, divide with our simple and fast online calculator.
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Advanced functions: sin, cos, log, factorial, powers and more.
Percentage Calculator
Find percentage of a number, percent change, and more with ease.
Fraction Calculator
Add, subtract, multiply, and divide fractions with step-by-step solutions.
Square Root Calculator
Calculate square root of any number instantly with precise decimal results.
Average Calculator
Calculate the average (mean) of a list of numbers quickly and accurately.
GCD/HCF Calculator
Find the Greatest Common Divisor and Highest Common Factor of numbers.
LCM Calculator
Calculate the Least Common Multiple of two or more numbers instantly.
Standard Deviation
Calculate population and sample standard deviation with full breakdown.
Random Number Generator
Generate random numbers within any custom range, instantly.
Area of Circle
Calculate circle area, circumference, and diameter using radius or diameter input.
Pythagorean Theorem
Find the missing side of a right triangle using a² + b² = c².
Quadratic Equation Solver
Solve ax² + bx + c = 0 with discriminant, roots, and step-by-step explanation.
Sin Cos Tan Calculator
Calculate sine, cosine, and tangent in degrees or radians instantly.
Probability Calculator
Calculate single and multiple event probabilities with clear explanations.
Area of Triangle
Calculate triangle area using base-height, Heron's formula, or coordinates.
Roman Numeral Converter
Convert numbers to Roman numerals and Roman numerals back to numbers.
Logarithm Calculator
Calculate log base 10, natural log (ln), and any custom base logarithm.
All 50+ Calculator Tools
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🔢 Basic Calculator
🧮 Scientific Calculator
💯 Percentage Calculator
½ Fraction Calculator
🔄 Decimal to Fraction
√ Square Root
∛ Cube Root
⚡ Power Calculator
xⁿ Exponent Calc
㏒ Logarithm
n! Factorial
🔑 Prime Checker
GCD HCF Calculator
LCM Calculator
📊 Average Calc
μ Mean Calculator
〰 Median Calc
📈 Mode Calculator
σ Std Deviation
📉 Variance Calc
∶ Ratio Calculator
∝ Proportion Calc
🎲 Probability Calc
P Permutation
C Combination
⊞ Matrix Calc
x² Quadratic Solver
x+y Linear Solver
∠ Trigonometry
sin cos tan
≈ Rounding Calc
🎰 Random Number
💬 Number to Words
Ⅻ Roman Numerals
⭕ Area of Circle
▬ Area of Rectangle
△ Area of Triangle
⬜ Area of Square
○ Circumference
⊡ Perimeter Calc
⬛ Volume of Cube
🔵 Volume of Sphere
🥫 Volume Cylinder
🔺 Volume of Cone
📐 Pythagorean Thm
📏 Distance Calc
📈 Slope Calculator
⊕ Midpoint Calc
∡ Angle Calculator
Pₙ Polynomial Calc
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Mathematically verified formulas ensure every result is precise and reliable.
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Works perfectly on all devices — phones, tablets, and desktops alike.
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With Explanations
Every calculator includes formulas, examples, and step-by-step guides to help you learn.
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