Age Calculator
Find exact age in years, months, weeks, days, and hours from DOB.
Unit Converter
Convert units for length, mass, volume, area, and speed easily.
Percentage
Calculate percentage increase, decrease, marks, or fraction values.
CGPA to Percentage
Convert academic CGPA/GPA scores into equivalent percentage marks.
Number Base Converter
Convert numbers between Binary, Octal, Decimal, and Hexadecimal.
Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin.
BMI
Calculate Body Mass Index to evaluate health and weight category.
Days Between Dates
Calculate total number of days, weeks, or months between two dates.
Scientific Calculator
Perform advanced mathematical, trigonometric, and logarithmic functions.
Speed Distance Time
Solve speed, travel distance, or time equations instantly.
Fuel Cost
Estimate total trip fuel expenses based on distance and mileage.
BMR & Calorie
Calculate Basal Metabolic Rate and daily recommended calorie intake.
Time Zone Converter
Convert and compare current time across global international time zones.
Area & Volume
Calculate surface area and volume for 2D and 3D geometric shapes.
Prime Number Checker
Check if a given number is prime or generate prime numbers in a range.
Factorial & Combination
Calculate factorials (n!), permutations (nPr), and combinations (nCr).
LCM & HCF
Find Least Common Multiple and Highest Common Factor for two or more numbers.
Average & Mean
Calculate mean, median, mode, and range for a set of numbers.
Ratio & Proportion
Simplify ratios and solve proportion equations (A:B = C:D).
Fraction Calculator
Add, subtract, multiply, divide, and simplify complex fractions.