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Complete collection of 11+ free online calculators across all categories including math, finance, health, physics, and conversions. Find the perfect calculator for your specific needs with detailed formulas and step-by-step explanations.
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21 calculators found
11 popular calculators
All Categories Calculator Collection
Popular
MathematicsQuadratic Equation
Find the roots of a quadratic equation ax² + bx + c = 0
Mathematics
Pythagorean Theorem
Calculate the sides of a right triangle
Mathematics
Percentage Calculator
Calculate percentages, increases, and decreases
Mathematics
Statistics Calculator
Find mean, median, mode, and other statistical measures
Popular
MathematicsLogarithm Calculator
Calculate logarithms with any base including ln, log10, and log2
Popular
MathematicsGCD LCM Calculator
Find Greatest Common Divisor and Least Common Multiple of numbers
Popular
MathematicsPrime Number Calculator
Check if numbers are prime and find prime factorization
Popular
MathematicsEquation Solver
Solve linear, quadratic, and system equations with step-by-step solutions
Popular
MathematicsAlgebra Calculator
Solve equations, factor expressions, and simplify polynomials
Popular
MathematicsMatrix Calculator
Perform matrix operations including multiplication, determinant, and inverse
Popular
FinanceCompound Interest
Calculate the future value of an investment
Finance
Loan Payment
Calculate monthly payments for a loan
Finance
Currency Converter
Convert between different world currencies
Popular
HealthBMI Calculator
Calculate your Body Mass Index
Popular
HealthCalorie Calculator
Calculate your daily calorie needs for weight management
Popular
HealthBody Fat Calculator
Calculate your body fat percentage using proven methods
Conversion
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Conversion
Time Calculator
Add, subtract, and convert time units
Conversion
Unit Converter
Convert between various units of measurement
Physics
Ohm's Law
Calculate voltage, current, or resistance