Online Calculators
Discover our comprehensive collection of calculators for every need
Basic Calculator
Perform basic arithmetic operations: addition, subtraction, multiplication, division, and percentage calculations.
Test Grade Calculator
Calculate student grades and statistics for various grading methods
BMI Calculator
Calculate Body Mass Index (BMI) based on height and weight
Confidence Interval Calculator
Calculate confidence intervals for population means, proportions, and differences
Mortgage Calculator
Calculate mortgage payments, affordability, and amortization schedules for property loans.
Sales Tax Calculator
Calculate sales tax, final price, and pre-tax amount for any purchase
Percentage Calculator
Calculate percentages, percentage changes, and differences between numbers
Square Footage Calculator
Calculate square footage and area conversions for various shapes including price calculations.
Fraction Calculator
Perform arithmetic operations on fractions: add, subtract, multiply, divide, and simplify.
Random Number Generator
Generate random numbers with customizable ranges and distribution types.
Simplifying Fractions Calculator
Simplify fractions and convert improper fractions to mixed numbers.
Volume Calculator
Calculate the volume of various 3D shapes with different units.
Motion Calculator
Calculate velocity, acceleration, distance, and time in motion problems.
Standard Deviation Calculator
Calculate standard deviation and variance from a dataset
BPM Calculator
Calculate tempo and timing in music with this BPM (Beats Per Minute) calculator.
P-value Calculator
Calculate p-values and statistical significance for various hypothesis tests
Scientific Calculator
Advanced scientific calculator with trigonometric, logarithmic, and exponential functions.
Absolute Value Calculator
Calculate the absolute value of numbers or expressions
Unit Converter
Convert between various units including length, weight, volume, area, speed, and pressure.
Tile Calculator
Estimate tiles needed for flooring, walls, or backsplashes, including waste.
Every Second Calculator
Discover what happens around the world in any time interval.
Percentage Calculator
Calculate percentages, percentage changes, and solve percentage problems
VO2 Max Calculator
Calculate your VO2 Max (maximal oxygen uptake) and aerobic fitness level
BMI Calculator
Calculate Body Mass Index (BMI) based on height and weight
BMR Calculator
Calculate your Basal Metabolic Rate (BMR) and daily calorie needs
Calorie Calculator
Calculate daily caloric needs based on personal factors and activity level.
Carbon Footprint Calculator
Calculate your personal carbon footprint based on daily activities and consumption.
Confidence Interval Calculator
Calculate confidence intervals for population means, proportions, and differences
Molarity Calculator
Calculate solution molarity, mass, or volume for chemistry solutions
Random Number Generator
Generate random numbers with customizable ranges and distribution types.
Volume Calculator
Calculate the volume of various 3D shapes with different units.
Motion Calculator
Calculate velocity, acceleration, distance, and time in motion problems.
DNA Concentration Calculator
Calculate DNA/RNA concentration, purity ratio, and yield from spectrophotometer readings.
P-value Calculator
Calculate p-values and statistical significance for various hypothesis tests
Scientific Calculator
Advanced scientific calculator with trigonometric, logarithmic, and exponential functions.
Unit Converter
Convert between various units including length, weight, volume, area, speed, and pressure.
401(k) Retirement Calculator
Calculate your projected 401(k) balance at retirement based on your contributions, employer match, and investment returns.
Basic Calculator
Perform basic arithmetic operations: addition, subtraction, multiplication, division, and percentage calculations.
Mortgage Calculator with Taxes and Insurance
Calculate complete monthly mortgage payments including principal, interest, taxes, insurance, and other fees
Mortgage Calculator
Calculate mortgage payments, affordability, and amortization schedules for property loans.
Rent vs. Buy Calculator
Compare the financial implications of renting versus buying a home over time.
Sales Tax Calculator
Calculate sales tax, final price, and pre-tax amount for any purchase
Time to Decimal Calculator
Time to Decimal Calculator for converting time to decimal format.
Compound Interest Calculator
Calculate how your investments grow over time with the power of compound interest.
Loan Calculator
Calculate payment amount, total interest, and amortization schedules for various types of loans.
Percentage Calculator
Calculate percentages, percentage changes, and differences between numbers
Debt Payoff Calculator
Create a strategic plan to eliminate your debts using avalanche or snowball method.
Comprehensive Solar Panel Calculator
Estimate energy production, financial returns, and environmental impact of a solar system.
Salary to Hourly Calculator
Convert between annual salary and hourly wage rates with detailed breakdowns of total compensation, take-home pay, and tax implications.
Percentage Calculator
Calculate percentages, percentage changes, and solve percentage problems
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