Calculators
Discover our collection of free online calculators for finance, health, math, and more. No registration required, instant results.
Mortgage Calculator
Calculate your monthly mortgage payment, total interest, and amortization schedule. Includes taxes, insurance, and extra payment options.
Mortgage Payoff Calculator
Calculate how to pay off your mortgage faster with extra payments, biweekly payments, or lump sum payments. Choose between two calculation methods based on your situation.
Basic Amortized Loan Calculator
Calculate your monthly payment, total interest, and amortization schedule for common loan types such as mortgages, auto loans, student loans, or personal loans.
Deferred Payment Loan Calculator
Calculate your loan details and view the annual schedule for loans with continuous compounding. Use this calculator for basic calculations of common loan types such as mortgages, auto loans, student loans, or personal loans.
Pay Predetermined Amount at Loan Maturity Calculator
Calculate the amount received when a loan starts and total interest for loans where the amount due at maturity equals the predetermined due amount. Perfect for planning loans with specific maturity requirements.
Payment Calculator
Calculate monthly payment for a fixed-term loan or determine loan term for fixed monthly payments. Two calculation modes to fit your needs.
Retirement Calculator
Plan your retirement with our comprehensive calculator. Determine savings needs, withdrawal strategies, and retirement timeline.
Amortization Calculator
Calculate your loan amortization schedule with extra payment options to see how additional payments can reduce your loan term and total interest.
Auto Loan Calculator
Calculate monthly auto loan payments including principal, interest, taxes, fees, and extra payments. Get detailed amortization schedules and payment breakdowns.
Compound Interest Calculator
Calculate the growth of your investments over time with compound interest, regular contributions, and inflation adjustment. See how your money grows with detailed schedules.
401k Calculator
Calculate your 401k retirement savings, employer match, and projected balance at retirement. Plan your financial future with comprehensive retirement planning tools.
Investment Calculator
Calculate investment growth, required contributions, return rates, and more with advanced options for inflation, taxes, and fees.
Inflation Calculator
Calculate how inflation affects the value of money over time using historical Consumer Price Index data or custom inflation rates.
Finance Calculator
Professional Time Value of Money calculator that works like the BA II Plus or HP 12CP calculators. Calculate future value, payments, interest rates, periods, and present value with precision.
Salary Calculator
Convert between different salary periods and calculate effective hourly rates
Interest Rate Calculator
Calculate the real interest rate on loans when you know the loan amount, term, and monthly payment.
Sales Tax Calculator
Calculate sales tax and total price for purchases
House Affordability Calculator
Calculate how much house you can afford based on income-to-debt ratio or fixed monthly budget
Savings Calculator
Calculate your savings growth with compound interest, regular contributions, tax considerations, and inflation adjustments
Rent Calculator
Estimate the affordable monthly rental spending amount based on income and debt level. Calculate your maximum rent budget with comprehensive financial analysis.
Pension Calculator
Plan your retirement with our comprehensive pension calculator. Compare single vs. joint-survivor options, factor in cost of living adjustments, inflation, and investment returns.
Social Security Calculator
Calculate your ideal Social Security application age and compare benefits at different ages. Plan your retirement strategy with accurate benefit calculations and break-even analysis.
Annuity Calculator
Calculate the future value of an annuity based on regular deposits, interest rates, and time. Plan your retirement savings and investment growth effectively.
Annuity Payout Calculator
Calculate annuity payout amounts or duration based on your principal and desired payment structure.
Credit Card Payoff Calculator
Calculate your credit card payoff strategy with fixed monthly payments or target payoff timeframe.
Multiple Credit Cards Payoff Calculator
Calculate the optimal payoff strategy for multiple credit cards using debt avalanche or debt snowball methods. Plan your debt-free journey with detailed analysis.
Debts Payoff Calculator
Calculate your debt payoff strategy with multiple debts. Plan your debt elimination journey with extra payments and priority strategies.
BMI Calculator
Calculate your Body Mass Index (BMI) to assess your weight status and health risk. Get personalized BMI ranges based on age and gender.
BAI Calculator
Calculate your Body Adiposity Index (BAI) using hip circumference and height measurements
BMR Calculator
Calculate your Basal Metabolic Rate (BMR) to determine daily calorie needs for weight management and fitness planning.
TDEE Calculator
Calculate your Total Daily Energy Expenditure to determine your daily calorie needs for weight management and fitness goals.
Protein Intake Calculator
Calculate your daily protein needs based on weight, activity level, and fitness goals. Get personalized protein recommendations for muscle building, weight loss, or maintenance.
Body Fat Calculator
Calculate your body fat percentage using various methods including skinfold measurements, Navy method, and BMI estimation. Get personalized body fat ranges and health insights.
Macro Calculator
Calculate your daily macronutrient needs (protein, carbs, fats) based on your goals, activity level, and body composition. Get personalized macro ratios for weight loss, muscle gain, or maintenance.
Ideal Weight Calculator
Calculate your ideal body weight using various formulas including Devine, Robinson, Miller, and Hamwi methods. Get personalized weight ranges based on your height, gender, and body frame size.
Ovulation Calculator
Calculate your ovulation date, fertile window, and track your menstrual cycle for family planning or conception.
Pregnancy Calculator
Calculate your pregnancy timeline, due date, and important milestones. Track your pregnancy week by week with accurate calculations based on your last menstrual period or conception date.
Pregnancy Weight Gain Calculator
Calculate healthy weight gain during pregnancy based on your pre-pregnancy BMI. Get personalized weight gain recommendations for each trimester to support a healthy pregnancy.
Calorie Calculator
Calculate your daily calorie needs based on age, gender, weight, height, activity level, and fitness goals. Get personalized recommendations for weight loss, maintenance, or muscle gain.
Pace Calculator
Calculate your running pace, speed, and time for different distances. Perfect for runners, athletes, and fitness enthusiasts to track performance.
Carbohydrate Calculator
Calculate your daily carbohydrate needs based on your activity level, goals, and body composition. Get personalized carb recommendations for optimal nutrition.
Lean Body Mass Calculator
Calculate your lean body mass (LBM) to understand your muscle mass and body composition. Get personalized insights for fitness and health goals.
Healthy Weight Calculator
Calculate your healthy weight range based on height, age, gender, and body frame size using multiple formulas.
Calories Burned Calculator
Calculate calories burned during various activities and exercises based on your weight, duration, and intensity level.
One Rep Max Calculator
Calculate your one-rep maximum (1RM) for strength training and workout planning
Target Heart Rate Calculator
Calculate your target heart rate zones for optimal cardiovascular training. Get personalized heart rate ranges based on your age and fitness goals.
Fat Intake Calculator
Calculate your optimal daily fat intake based on your weight, activity level, and fitness goals. Get personalized recommendations for healthy fat consumption.
Period Calculator
Calculate your next period date, ovulation, and fertile window based on your menstrual cycle data. Track your cycle and plan accordingly.
GFR Calculator
Calculate your estimated Glomerular Filtration Rate (eGFR) to assess kidney function using the MDRD or CKD-EPI formula.
Body Type Calculator
Determine your body type (ectomorph, mesomorph, or endomorph) based on your physical characteristics and measurements. Get personalized fitness and nutrition recommendations.
Body Surface Area Calculator
Calculate your body surface area (BSA) using various formulas including DuBois & DuBois, Mosteller, and Haycock. Essential for medical dosing and burn assessment.
BAC Calculator
Calculate your Blood Alcohol Content (BAC) based on drinks consumed, body weight, gender, and time elapsed. Get accurate BAC estimates for responsible drinking.
Weight Watcher Points Calculator
Calculate your daily SmartPoints allowance and track food points based on Weight Watchers program guidelines.
Water Intake Calculator
Calculate your daily water intake needs based on your body weight, activity level, and climate conditions.
Sleep Calculator
Calculate your optimal sleep schedule and sleep debt based on your age, lifestyle, and sleep patterns.
Waist-to-Height Ratio Calculator
Calculate your Waist-to-Height Ratio (WHtR) to assess central body fat distribution and cardiovascular health risk. A more accurate indicator than BMI for health assessment.
Waist-Hip Ratio Calculator
Calculate your Waist-Hip Ratio (WHR) to assess body fat distribution and cardiovascular health risk. Get personalized health insights based on your measurements.
VO2 Max Calculator
Calculate your VO2 Max (maximal oxygen consumption) to assess cardiovascular fitness and aerobic capacity. Get personalized fitness insights and training recommendations.
Screen Time Impact Calculator
Calculate the potential health impacts of your daily screen time usage and get personalized recommendations for digital wellness.
Heart Age Calculator
Calculate your heart age based on cardiovascular risk factors and compare it to your chronological age
Daily Heart Rate Per Step Calculator
Calculate your average heart rate per step based on daily activity and heart rate data
ABSI Calculator
Calculate your A Body Shape Index (ABSI) to assess cardiovascular risk based on waist circumference, height, weight, age, and gender. More accurate than BMI for predicting health risks.
BRI Calculator
Calculate your Body Roundness Index (BRI) to assess body shape and abdominal roundness. Get comprehensive analysis of your body composition and health risks.
Walking Calorie Calculator
Calculate calories burned while walking based on your weight, speed, duration, terrain, and personal factors. Get detailed walking metrics and health insights.
Fitness Age Calculator
Calculate your fitness age based on lifestyle factors, exercise habits, and health indicators. Discover how your fitness compares to your chronological age.
WHO-5 Well-Being Index Calculator
Calculate your mental well-being and quality of life using the WHO-5 Well-Being Index, a validated screening tool for depression and overall psychological well-being.
Mayo Clinic Well-Being Index Calculator
Assess your overall well-being using the Mayo Clinic Well-Being Index. Evaluate burnout, emotional health, sleep quality, and life satisfaction with this comprehensive assessment tool.
Length Conversion Calculator
Convert any unit of length to any unit of length. Supports metric and imperial units including meters, kilometers, centimeters, millimeters, inches, feet, yards, and miles.
Weight Conversion Calculator
Convert any unit of weight to any unit of weight. Supports metric and imperial units including kilograms, grams, milligrams, metric tons, pounds, ounces, stones, and US tons.
Time Conversion Calculator
Convert between milliseconds, seconds, minutes, hours, days, and weeks with precise, reliable results.
Area Conversion Calculator
Convert between square meters, square feet, acres, hectares, and more. Supports all common area units with precise calculations.
Temperature Conversion Calculator
Convert between any units of temperature to any unit. Supports Celsius, Fahrenheit, Kelvin, and Rankine with precise calculations.
Data Transfer Rate Conversion Calculator
Convert between different units of data transfer rate including bits per second, megabits, gigabits, terabits, bytes, and more.
IP Address Conversion Calculator
Convert IP addresses between different formats including decimal, binary, hexadecimal, octal, and dotted notation formats.
P-Value Calculator
Calculate p-values for statistical hypothesis tests including t-tests, z-tests, and chi-square tests. Get accurate statistical significance results.
Z-Score Calculator
Calculate Z-scores to measure how many standard deviations a value is from the mean. Perfect for statistical analysis and identifying outliers.
Standard Deviation Calculator
Calculate standard deviation, variance, and other descriptive statistics for your data set. Supports both population and sample calculations.
T-Test Calculator
Calculate t-tests for hypothesis testing including one-sample, two-sample, and paired t-tests. Get p-values, confidence intervals, and effect sizes.
Confidence Interval Calculator
Calculate confidence intervals for means and proportions. Get margin of error, standard error, and required sample sizes for statistical analysis.
Regression Calculator
Calculate linear and polynomial regression analysis. Get correlation coefficients, R-squared, regression equations, and statistical significance.