Calculate Anything, Instantly

Perform basic arithmetic operations: addition, subtraction, multiplication, division, and percentage calculations.

A simple, intuitive calculator designed for educational settings. Perfect for teaching arithmetic operations and helping students with math practice.

Manage your finances with our simple budget calculator. Quickly add expenses, calculate percentages, and track your spending with this easy-to-use financial tool.

Calculate your semester and cumulative Grade Point Average based on course grades and credit hours

Calculate your GPA for a single semester or term. Enter your course grades and credit hours to see your semester grade point average instantly.

Calculate your cumulative GPA by combining your current semester with your previous academic record. Track your progress toward graduation.

Calculate your college or university GPA with support for various grading scales. Perfect for undergraduate and graduate students.

Calculate your high school GPA with support for weighted grades, honors courses, and AP classes. Essential for college applications.

Calculate running pace, time, distance, and generate race predictions and splits

Plan your perfect race with our race planning calculator. Calculate finish times, create pacing strategies, and generate detailed split charts for any running event.

Optimize your running training with personalized workout paces. Calculate training zones, interval splits, and progressive training paces based on your current fitness.

Calculate complete monthly mortgage payments including principal, interest, taxes, insurance, and other fees

Calculate your total monthly mortgage payment including Principal, Interest, Property Taxes, and Homeowners Insurance (PITI).

Calculate student grades and statistics for various grading methods

Calculate what you need on your final exam to get your desired course grade with our accurate final grade calculator. Plan your study strategy and set realistic goals.

Efficiently calculate and analyze student grades with our classroom grading calculator designed for teachers. Track class performance and generate statistics.

Determine your academic standing, check probation risk, and plan how many semesters it takes to return to good standing.

Check your academic standing based on your GPA and institutional policies. See if you are in good standing, warning, probation, or at risk of suspension.

Calculate how many semesters and what GPA you need to return to good academic standing. Plan your recovery path with realistic projections.

Track assignments by category, calculate your running grade, and see what scores you need to reach your target grade.

Track your course progress by category. Enter assignments, see your current grade, and project your final grade.

Find out what grades you need on remaining assignments to reach your target grade. Plan your study efforts strategically.

Calculate your weighted average across different grade categories. Perfect for courses with homework, exams, and projects.

Calculate Body Mass Index (BMI) based on height and weight

Calculate your weight to height ratio and determine if your body weight is proportional to your height using our free calculator. Get instant health insights.

Calculate your Body Mass Index (BMI) with our medical-grade calculator. Get health risk assessments and recommended weight ranges based on your results.

Calculate your Basal Metabolic Rate (BMR) and daily calorie needs

Take control of your weight goals with our comprehensive weight management calculator. Calculate your calorie targets for weight loss or gain based on your metabolism.

Optimize your athletic performance with our metabolic calculator. Determine precise calorie and macronutrient needs for peak performance, training, and recovery.

Calculate daily caloric needs based on personal factors and activity level.

Calculate your Total Daily Energy Expenditure (TDEE) with our precise calculator. Find out how many calories you burn daily based on your activity level.

Create a personalized weight loss plan with our calorie calculator. Set realistic goals, find your daily calorie target, and get a timeline for success.

Calculate your personal carbon footprint based on daily activities and consumption.

Calculate confidence intervals for population means, proportions, and differences

Calculate accurate confidence intervals for research studies with our research statistics calculator. Analyze sample data and make reliable population inferences.

Analyze data with precision using our data analysis calculator. Calculate confidence intervals, interpret results, and make data-driven decisions.

Calculate how much you can afford to borrow based on your monthly budget, interest rate, and loan term.

Calculate mortgage payments, affordability, and amortization schedules for property loans.

Calculate home loan payments, view amortization schedules, and determine your borrowing power with our comprehensive home loan calculator.

Calculate your exact mortgage payments with our comprehensive tool. See a breakdown of principal, interest, taxes, and insurance in your monthly payment.

Compare the financial implications of renting versus buying a home over time.

Calculate the true cost of owning a home compared to renting. Factor in mortgage, taxes, insurance, maintenance, and appreciation.

Compare the long-term costs of renting versus buying a home in your area. See which option is financially better based on your inputs.

Calculate sales tax, final price, and pre-tax amount for any purchase

Set optimal retail prices with our pricing calculator. Calculate markup, profit margins, and sales tax for accurate product pricing.

Calculate and track sales tax for business accounting, invoicing, and tax filings with our precise business tax calculator.

Calculate sales tax on purchases for better budget planning. Our consumer tax calculator helps shoppers know the total price before checkout.

Time to Decimal Calculator for converting time to decimal format.

Convert employee work hours from hours and minutes (HH:MM) format to decimal hours for accurate payroll processing.

Convert time entries from hours, minutes, and seconds (HH:MM:SS) format to decimal hours for timesheets, project billing, or time tracking analysis.

Calculate how your investments grow over time with the power of compound interest.

See how your investments will grow over time with the power of compound interest and regular contributions.

Calculate how your savings will grow with interest over time, including the impact of regular deposits.

Calculate payment amount, total interest, and amortization schedules for various types of loans.

Calculate your monthly, bi-weekly, or weekly loan payments with our easy-to-use payment calculator. See total interest costs and full amortization schedules.

Visualize your loan payoff journey with our amortization calculator. See how each payment affects your balance and how much goes to principal vs. interest.

Calculate percentages, percentage changes, and differences between numbers

Calculate discounted prices and total savings with our easy-to-use discount calculator. Perfect for sales, shopping, and budget planning.

Calculate percentage increase or decrease between values with our percentage change calculator. Perfect for financial analysis, statistics, and data comparison.

Calculate and convert between ratios, fractions, and percentages with our easy-to-use ratio calculator. Simplify ratios and solve proportion problems.

Calculate square footage and area conversions for various shapes including price calculations.

Calculate your daily protein, carbs, and fat needs based on your body metrics and fitness goals.

Calculate your flexible dieting macros with this IIFYM calculator.

Calculate your Total Daily Energy Expenditure (TDEE) and optimal macronutrient breakdown.

Calculate your due date and track pregnancy milestones based on your last period, conception date, ultrasound, or IVF transfer.

Calculate your baby's due date and track important pregnancy milestones with our accurate pregnancy calculator.

Perform arithmetic operations on fractions: add, subtract, multiply, divide, and simplify.

Easily convert lengths between various metric and imperial units.

Convert between any distance units with our versatile online calculator. Support for metric, imperial, and specialty units for all your distance conversion needs.

Convert any length measurement between metric and imperial systems. Accurate, easy-to-use calculator for all your measurement needs.

Convert between metric and imperial length units. Quick and accurate conversions for centimeters, meters, inches, feet, and more.

Calculate solution molarity, mass, or volume for chemistry solutions

Calculate your due date and track pregnancy milestones based on your last period, conception date, or ultrasound.

Calculate your current gestational age (how far along you are) and track fetal development milestones with our pregnancy calculator.

Generate random numbers with customizable ranges and distribution types.

Estimate calories burned from your runs based on weight, duration, distance, or pace.

Estimate calories burned while jogging. Input your weight and jogging time.

Calculate calories burned while running and see how it contributes to your weight loss goals.

Simplify fractions and convert improper fractions to mixed numbers.

Quickly convert temperatures between Celsius, Fahrenheit, and Kelvin.

Convert between any temperature units with our versatile online calculator. Support for Celsius, Fahrenheit, and Kelvin for all your temperature conversion needs.

Calculate the volume of various 3D shapes with different units.

Accurately calculate the capacity of tanks, containers, and storage vessels with our container capacity calculator. Convert between volume units for practical applications.

Calculate volumes of standard geometric shapes with our comprehensive volume calculator. Covers spheres, cubes, cylinders, cones, pyramids, and more.

Calculate your ideal body weight using Robinson, Miller, Devine, and Hamwi formulas, plus BMI-based healthy weight range.

Check your healthy weight range based on BMI and multiple IBW formulas.

Calculate your IBW (Ideal Body Weight) using medical formulas.

Calculate velocity, acceleration, distance, and time in motion problems.

Calculate standard deviation and variance from a dataset

Calculate variance and related statistical measures with our easy-to-use variance calculator. Analyze data dispersion for research, education, or business.

Analyze data dispersion with our comprehensive statistical calculator. Calculate standard deviation, variance, range, and more for your dataset.

Perform comprehensive statistical analysis on your datasets with our powerful calculator. Calculate mean, median, standard deviation, variance and more.

Calculate precise age between any two dates in various time units.

Calculate your exact age from your birthday and find when your next birthday falls. Get age in years, months, weeks, and days.

Calculate the exact time between any two dates with our precise date difference calculator. Get results in years, months, weeks, days, hours, and minutes.

Calculate DNA/RNA concentration, purity ratio, and yield from spectrophotometer readings.

Calculate concentration and purity of DNA, RNA, and other nucleic acids from absorbance values. Essential for molecular biology labs and research.

Convert spectrophotometer absorbance readings to concentration using the Beer-Lambert law. Perfect for biology, chemistry, and laboratory applications.

Evaluate DNA and RNA sample purity with our specialized calculator. Analyze 260/280 and 260/230 ratios to detect contamination for more reliable experiments.

Calculate tempo and timing in music with this BPM (Beats Per Minute) calculator.

Determine the tempo of any song with our accurate tempo calculator. Find BPM for music production, DJing, and composition with multiple calculation methods.

Calculate and track your heart rate in beats per minute (BPM) for fitness training, exercise zones, and health monitoring.

Calculate p-values and statistical significance for various hypothesis tests

Analyze research data with our academic significance calculator. Calculate p-values for t-tests, z-tests, and other hypothesis tests for publishing-quality results.

Test scientific hypotheses with statistical rigor using our hypothesis testing calculator. Analyze experimental data and determine if results are statistically significant.

Track and analyze how you spend your time for better work-life balance

Track your work hours, breaks, and time spent on different tasks to analyze productivity and manage workload.

Track and analyze your study hours per subject, manage breaks, and plan your schedule for academic success.

Analyze how you spend your 24 hours across key activities like sleep, work, commute, meals, leisure, and chores.

Advanced scientific calculator with trigonometric, logarithmic, and exponential functions.

Calculate the absolute value of numbers or expressions

Calculate the magnitude (absolute value) of numbers easily with our magnitude calculator. Perfect for algebra, physics, and vector calculations.

Calculate the distance of any number from zero with our intuitive distance from zero calculator. Visualize number line positions for educational purposes.

Evaluate absolute value functions and equations with our specialized calculator. Graph |x| functions, solve equations, and understand mathematical properties.

Estimate concrete volume for slabs, footings, columns, and stairs.

Create a strategic plan to eliminate your debts using avalanche or snowball method.

Create a plan to pay off your credit card debt using proven strategies. See your debt-free date and how much interest you'll save.

Plan your journey to debt freedom with our comprehensive debt paydown calculator. Compare strategies and see when you'll be debt-free.

Estimate the amount of paint needed for your walls and ceilings.

Calculate exactly how much paint you need for your walls to avoid waste or shortages.

Estimate energy production, financial returns, and environmental impact of a solar system.

Convert between various units including length, weight, volume, area, speed, and pressure.

Estimate your internet data consumption based on various online activities.

Track and estimate your total internet consumption across streaming, browsing, gaming, and downloads to avoid overages.

Estimate your bandwidth requirements based on your online activities and find the perfect internet plan for your usage patterns.

Estimate the amount of flooring material needed for your room.

Estimate tiles needed for flooring, walls, or backsplashes, including waste.

Calculate the exact amount of hardwood flooring needed for your renovation project.

Determine how much carpet you need and estimate the total cost for your carpeting project.

Calculate the exact number of tiles needed for your project with our easy-to-use calculator. Account for waste, different patterns, and get accurate estimates.

Estimate the total cost of tiles for your project.

Discover what happens around the world in any time interval.

See what happens every minute around the world - from emails sent to CO2 emissions. Gain perspective on global activity rates.

Estimate calories burned from your daily steps.

Convert your pedometer step count into estimated calories burned based on your physical characteristics.

Calculate the energy expenditure from walking activities and understand how your daily steps contribute to your overall energy balance.

Convert between annual salary and hourly wage rates with detailed breakdowns of total compensation, take-home pay, and tax implications.

Convert between different wage formats including hourly, daily, weekly, monthly, and annual rates.

Convert your annual salary to an equivalent hourly wage based on your work schedule and paid time off.

Convert your income between different time periods with adjustments for taxes, benefits, and work schedule.

Calculate take-home pay after taxes and deductions based on your salary or hourly wage.

Analyze your total compensation package including salary, benefits, and perks in different formats.

Calculate percentages, percentage changes, and solve percentage problems

Calculate your projected 401(k) balance at retirement based on your contributions, employer match, and investment returns.

Plan your future with our retirement savings calculator. Estimate how much you need to save.

Calculate how your 401(k) will grow over time with compound interest and regular contributions.

Create a comprehensive retirement plan with our easy-to-use retirement planning calculator.

Maximize tax benefits with our tax-advantaged retirement calculator for 401(k) and similar accounts.

Maximize your workplace retirement benefits with our employer-sponsored retirement calculator.

Calculate your class rank and percentile from GPA, test scores, or direct rank. See where you stand with bell curve visualization and statistical analysis.

Check if your GPA meets scholarship requirements. Track multiple scholarships and plan how to maintain or regain eligibility.

Calculate your VO2 Max (maximal oxygen uptake) and aerobic fitness level

Calculate your aerobic fitness level with our scientific calculator. Get personalized insights based on your age, gender, and test results.

Calculate your endurance capacity using scientific methods. Get insights for performance in running, cycling, and endurance sports.

Predict your performance potential in various sports with our scientific calculator. Analyze your VO2max and understand your physiological strengths for different athletic activities.