Calculator Tools
Comprehensive collection of 40+ calculators for math, finance, health, conversions, and everyday calculations.
Basic Calculator
Standard calculator with basic operations
Scientific Calculator
Advanced calculator with scientific functions
Percentage Calculator
Calculate percentages, increases, and decreases
Fraction Calculator
Add, subtract, multiply, and divide fractions
Age Calculator
Calculate age in years, months, and days
Date Calculator
Calculate differences between dates
Time Calculator
Add, subtract, and convert time periods
BMI Calculator
Calculate Body Mass Index and health status
Calorie Calculator
Calculate daily calorie needs
Loan Calculator
Calculate loan payments and interest
Mortgage Calculator
Calculate mortgage payments and amortization
Investment Calculator
Calculate investment returns and growth
Compound Interest Calculator
Calculate compound interest over time
Simple Interest Calculator
Calculate simple interest on principal
Tax Calculator
Calculate taxes and net income
Tip Calculator
Calculate tips and split bills
Discount Calculator
Calculate discounts and final prices
Markup Calculator
Calculate markup and selling prices
Profit Margin Calculator
Calculate profit margins and markups
Currency Converter
Convert between different currencies
Unit Converter - Length
Convert between length units
Unit Converter - Weight
Convert between weight and mass units
Unit Converter - Temperature
Convert between temperature scales
Unit Converter - Volume
Convert between volume units
Unit Converter - Area
Convert between area units
Unit Converter - Speed
Convert between speed units
Unit Converter - Energy
Convert between energy units
Unit Converter - Pressure
Convert between pressure units
Unit Converter - Power
Convert between power units
Number Base Converter
Convert between binary, decimal, hex
Roman Numeral Converter
Convert between Arabic and Roman numerals
Statistics Calculator
Calculate mean, median, mode
Standard Deviation Calculator
Calculate standard deviation and variance
Variance Calculator
Calculate statistical variance
GPA Calculator
Calculate Grade Point Average
Grade Calculator
Calculate grades and weighted averages
Equation Solver
Solve basic algebraic equations
Triangle Calculator
Calculate triangle properties
Circle Calculator
Calculate circle area and circumference
Rectangle Calculator
Calculate rectangle area and perimeter