50+ Essential Calculators
The complete collection of tools for students, professionals, and everyday life. Find exactly what you need.
Percentage Calculator
Calculate percentages, increase, decrease, and difference.
Fraction Calculator
Add, subtract, multiply, and divide fractions.
Scientific Calculator
Advanced math with trigonometry and exponents.
Exponent Calculator
Calculate powers and roots of any number.
Square Root Calculator
Find the square root of positive numbers.
Random Number Generator
Generate random numbers within a range.
Average Calculator
Calculate the mean of a set of numbers.
Prime Number Checker
Check if a number is prime or find primes.
Ratio Calculator
Simplify ratios or find equivalent values.
Proportion Calculator
Solve for X in proportional equations.
Loan Calculator
Estimate monthly payments and amortization.
Margin Calculator
Calculate gross margin and markup.
Discount Calculator
Calculate sale price and savings.
Mortgage Calculator
Estimate home loan payments with taxes.
Currency Converter
Convert between world currencies.
Savings Calculator
Grow your savings with compound interest.
ROI Calculator
Return on Investment for your projects.
VAT Calculator
Add or remove VAT/GST from prices.
Sales Tax Calculator
Calculate tax exclusive and inclusive prices.
Salary to Hourly
Convert annual salary to hourly wage.
BMI Calculator
Body Mass Index check.
BMR Calculator
Basal Metabolic Rate for calories.
Calorie Calculator
Daily calorie needs for weight goals.
Body Fat Calculator
Estimate body fat percentage.
Water Intake
Daily hydration requirements.
Ideal Weight
Healthy weight range for your height.
Pregnancy Due Date
Calculate baby due date based on LMP.
Heart Rate Zones
Target heart rate for cardio training.
Speed Calculator
Calculate speed, distance, and time.
Date & Time Calculator
Add days or calculate duration.
Physics Calculator
Force, mass, and acceleration.
Density Calculator
Mass per unit of volume.
Pressure Calculator
Convert pressure units (PSI, Bar, Pa).
Temperature Converter
Celsius, Fahrenheit, and Kelvin.
Unit Converter
Convert length, weight, and volume.
Chemistry Molar Mass
Calculate molar mass of compounds.
Concrete Calculator
Estimate concrete volume for slabs.
Brick Calculator
Bricks needed for walls.
Lumber Calculator
Board feet and linear feet.
Paint Calculator
Gallons needed for room painting.
Area Calculator
Square footage of any shape.
Volume Calculator
Cubic volume of 3D objects.
Tip Calculator
Calculate gratuity and split bill.
Gas Mileage
MPG and fuel cost calculator.
Age Calculator
Age in years, months, and days.
Time Card Calculator
Work hours and pay check.
Password Generator
Create strong, secure passwords.
Aspect Ratio
Image and screen dimensions.
Sleep Calculator
Wake up time based on sleep cycles.
QR Code Generator
Create QR codes for links.