Free Calculators &
Brain Tests
State-by-state legal calculators, financial tools, unit converters, and viral brain tests — all 100% free.
Brain Tests
Test your abilities — no language needed
Color Vision Test
How well can you distinguish between similar colors? Test your color perception ability.
Start Test⚡Reaction Time Test
How fast are your reflexes? Measure your reaction time in milliseconds.
Start Test🖱️CPS Test
How fast can you click? Measure your Clicks Per Second.
Start Test🧠Memory Test
How good is your short-term memory? Test your sequence recall ability.
Start Test🧩Pattern IQ Test
Can you spot the pattern? Test your visual pattern recognition and logical thinking.
Start Test✨Personality Test
Discover your personality type. Based on Jungian psychology — find your strengths, career matches, and compatible types.
Start Test🔢Number Memory Test
How many digits can you remember? Test your working memory with increasingly longer number sequences.
Start Test🎯Aim Trainer
How fast can you hit targets? Test your precision and speed with randomly appearing targets.
Start Test🐵Chimp Test
Can you beat a chimpanzee? Test your short-term memory by remembering the positions of numbers.
Start Test⌨️Typing Speed Test
How fast can you type? Measure your typing speed in words per minute and accuracy.
Start TestCalculators & Tools
Free online calculators for legal, financial, and everyday needs
Legal CalculatorsLegal Calculators
State-by-state legal cost and support calculators
3 tools →
💼Business CalculatorsBusiness Calculators
Small business costs, LLC formation, and tax tools
2 tools →
💰Finance CalculatorsFinance Calculators
Personal finance, tax, and investment calculators
3 tools →
❤️Health CalculatorsHealth Calculators
BMI, calorie, fitness, and wellness calculators
2 tools →
🔢Math CalculatorsMath Calculators
Percentage, fraction, and general math tools
3 tools →
🔄Unit ConvertersUnit Converters
Length, weight, temperature, and unit conversions
3 tools →
📅Date & TimeDate & Time
Age, date difference, and time calculators
2 tools →
🏠Home & RemodelHome & Remodel
Home improvement cost estimators
1 tools →
Popular Tools
Child Support Calculator
Calculate estimated child support payments based on your state's guidelines
Alimony Calculator
Estimate alimony/spousal support payments by state
Divorce Cost Estimator
Estimate the total cost of divorce in your state
LLC Formation Cost
Calculate the cost to form an LLC in your state
Freelancer Tax Calculator
Calculate your estimated quarterly taxes as a freelancer
Compound Interest Calculator
Calculate compound interest on your savings and investments
Mortgage Calculator
Calculate monthly mortgage payments with taxes and insurance
Salary to Hourly Converter
Convert between annual salary and hourly wage
BMI Calculator
Calculate your Body Mass Index (BMI) and find your healthy weight range