Calculators

Calculate 401(k) retirement savings with employer matching, contribution limits, and tax-advantaged growth. Project retirement balance with interactive charts and see the impact of catch-up contributions for age 50+.

Calculate your exact age in years, months, days, hours, minutes and seconds. Get your next birthday

Calculate loan amortization schedule with detailed monthly payment breakdown. See principal vs interest payment split, remaining balance, and export complete amortization table to CSV.

Calculate Annual Percentage Rate (APR) including all fees and costs. Compare APR vs nominal interest rate to understand true borrowing costs.

Calculate aspect ratios, resize images and videos while maintaining proportions. Perfect for video editing,

Calculate monthly car loan payments, total interest, and amortization schedule. Compare auto loan terms, APR rates, and see how trade-ins and down payments affect your monthly payment.

Calculate your estimated blood alcohol content (BAC) based on drinks consumed, body weight, gender, and time elapsed. Free online BAC calculator with Widmark formula.

Track and analyze blood pressure readings over time. Get category classification (normal, elevated, hypertension), view trends, and export your blood pressure history.

Calculate your Body Mass Index (BMI) instantly. Get your BMI score, category, and healthy weight

Calculate your BMR (Basal Metabolic Rate) and TDEE (Total Daily Energy Expenditure) instantly. Get

Calculate your body fat percentage using the US Navy method or BMI estimation. Get accurate body

Calculate body surface area using Mosteller, DuBois, or Haycock formulas. BSA is used in medical dosing, burn assessment, and cardiac index calculations.

Determine your body type (ectomorph, mesomorph, endomorph) based on measurements and characteristics. Get personalized fitness and nutrition recommendations for your body type.

Calculate bond yields, coupon payments, and returns. Get current yield, yield to maturity (YTM), and total return analysis for bonds.

Calculate break-even point in units and revenue for single or multiple products. Analyze contribution margin, margin of safety, and weighted average calculations for business profitability.

Calculate calories burned during 50+ activities including cardio, strength training, sports, and daily

Calculate your daily calorie needs based on your BMR (Basal Metabolic Rate) and TDEE (Total Daily Energy

Calculate your daily calorie deficit for weight loss. Get personalized calorie targets based on your TDEE, weight loss goals, and timeline. Safe and sustainable deficit recommendations.

Calculate capital gains tax with 2024 federal tax brackets for short-term and long-term gains. Includes Net Investment Income Tax (NIIT) for high earners and supports all filing statuses.

Calculate your daily carbohydrate needs based on activity level, diet type, and fitness goals. Get personalized carb targets for keto, low-carb, balanced, and high-carb diets.

Track and analyze cash inflows and outflows by category. Calculate net cash flow, running balance, and view timeline for better financial planning.

Calculate cholesterol ratios (total/HDL, LDL/HDL) and assess cardiovascular risk. Get cholesterol level interpretation with optimal, borderline, and high-risk categories.

529 plan projections and education cost planning calculator. Calculate future college costs with inflation, determine required monthly savings, and track progress toward education funding goals with detailed year-by-year breakdown.

Calculate how your money grows with compound interest. See future value, total interest earned, and year-by

Calculate concrete volume for slabs, footings, columns, stairs, and walls. Get cubic yards, cubic feet, and number of 60lb/80lb bags needed with waste factor.

Set a customizable countdown timer with alarm. Perfect for cooking, workouts, studying, or any

Calculate how long it will take to pay off your credit card debt. See total interest paid, payoff timeline, and monthly breakdown.

Simulate the impact of financial decisions on your credit score. See how paying debt, opening accounts, or closing cards affects your score. 100% free and private.

Convert between cryptocurrencies and fiat currencies instantly. Support for Bitcoin, Ethereum, Solana, and

Convert between 25+ world currencies instantly. Enter an amount, select currencies, and see the conversion

Calculate date differences, add/subtract days, find business days, and get week numbers. Fast, free, and co

Calculate debt payoff timelines and strategies. Model snowball and avalanche methods to eliminate debt efficiently.

Calculate asset depreciation using straight-line, declining balance, or sum-of-years digits methods. Generate depreciation schedules and track book value over time.

Assess your diabetes risk based on age, BMI, family history, and lifestyle factors. Get personalized risk score and prevention recommendations for type 2 diabetes.

Calculate discounts, sale prices, and savings with support for percentage or fixed amount discounts

Calculate dividend yield, annual income, DRIP projections, and payout ratios. Free stock dividend calculator with growth projections. All calculations happen in your browser.

Calculate down payment, loan amount, PMI costs, and total cash needed for home purchases. Compare conventional, FHA, and VA loans.

Calculate your FIRE number, years to early retirement, and required savings rate. Plan Financial Independence Retire Early with Lean, Regular, and Fat FIRE options.

Calculate estate and inheritance tax estimation by state with federal exemptions

FHA mortgage calculator with MIP (mortgage insurance premium) and 3.5% down payment. Calculate upfront MIP (1.75%), annual MIP (0.55-0.85%), and compare with conventional loans.

Convert between file size units (B, KB, MB, GB, TB, PB) with binary and decimal modes. Calculate total stor

Calculate and simplify fractions with step-by-step solutions. Add, subtract, multiply, and divide fractions

Calculate hourly and project rates with overhead costs, profit margin, and billable hours analysis. Perfect for freelancers and consultants to price services sustainably.

Calculate your trip fuel costs instantly. Support for both US (MPG) and metric (L/100km) systems. Perfect f

Calculate your Grade Point Average (GPA) for courses and semesters. Supports letter grades and numeric grad

Calculate your heart rate training zones based on max heart rate and resting heart rate. Get personalized zones for fat burning, cardio, and peak performance training.

Home equity line of credit payment calculator with draw period and repayment period. Calculate HELOC borrowing capacity, interest-only payments, and principal + interest repayment.

Calculate home equity with appreciation and mortgage paydown. Project future equity buildup over time with detailed timeline analysis.

Convert between hourly wage and annual salary instantly. Calculate daily, weekly, monthly, and yearly pay with customizable work schedules. Free bidirectional salary conversion calculator.

Calculate purchasing power and inflation impact on money over time. Use historical CPI data from 1950-2024 or custom inflation rates to see how much your money is really worth after inflation.

Calculate investment returns with compound interest, regular contributions, dividends, inflation, and withdrawals. Project portfolio growth with interactive charts showing real vs nominal returns.

Calculate monthly lease payments for cars and equipment. Compare leasing versus buying costs with money fac

Calculate your monthly loan payment, total interest paid, and view a complete amortization schedule. Perfec

Side-by-side comparison of multiple loan offers with total cost analysis

Calculate your daily macronutrient needs (protein, carbs, fats) based on your TDEE and fitness goals. Get

Calculate your monthly mortgage payment including principal, interest, property tax, insurance, and PMI. Ge

Refinancing break-even analysis and savings calculation

Calculate your net worth by tracking assets and liabilities. Get debt-to-asset ratio analysis, category breakdowns, and financial health insights. Free personal finance calculator.

Calculate overtime pay with time-and-a-half, double-time, and weekly/biweekly totals

Calculate running and cycling pace, speed, distance, and time. Get split times for standard race distances

Calculate paint needed for walls, ceilings, and trim with accurate coverage rates. Supports multiple coats, room dimensions, doors, windows, and custom coverage per gallon.

Analyze password strength with detailed feedback and improvement suggestions. All analysis happens in your

Calculate percentages, percentage increases, decreases, and more. 100% free and private - all calculations

Calculate monthly payment, total interest, and amortization schedule for personal loans. Compare loan terms and see how extra payments reduce interest and payoff time.

Calculate investment portfolio returns, allocation percentages, and rebalancing recommendations. Track multiple assets with detailed performance analysis and diversification metrics.

Calculate business profit with revenue and expense analysis. Track margin percentages and profitability metrics

Calculate gross margin, net margin, markup, and profit percentages for business. Compare margin vs markup with industry benchmarks and reverse pricing calculations.

Calculate retirement savings needs and projections. See required savings, monthly contributions needed, and

Calculate business revenue with unit sales, pricing, and revenue streams. Project monthly, quarterly, and annual revenue with growth rate analysis and forecasting.

Calculate return on investment (ROI) percentage, gain/loss amounts, and annualized returns. Perfect for ana

Calculate Roth IRA growth and retirement savings with 2024 contribution limits, income phase-outs, and catch-up contributions. Project tax-free retirement income with compound interest.

Calculate salary conversions and tax deductions. Convert between hourly, weekly, monthly, and annual pay. Calculate federal, state, and FICA taxes to see your take-home pay.

Calculate sales tax for all US states and territories. Add or remove tax from prices, compare state tax rates, and get total price with tax included instantly.

Calculate required sample size for surveys, research studies, and A/B tests with confidence intervals

Calculate savings growth with regular deposits and compound interest. Project your future savings value, track monthly progress, and see how interest compounds over time.

Calculate how long it will take to reach your savings goal with regular monthly contributions and compound

Advanced scientific calculator with trigonometric functions, logarithms, powers, and more. 100% free with f

Calculate simple interest for loans and investments using I = P × r × t formula. Compare simple vs compound interest with detailed breakdown and monthly analysis.

Calculate p-values, confidence intervals, and determine statistical significance for A/B tests and experiments

Calculate stock trading profit and loss with commission fees. Get ROI percentage, total investment, proceeds, and per-share profit instantly.

Precision stopwatch with lap timing, millisecond accuracy, and export functionality. Perfect for

Calculate student loan payments with standard, income-driven (PAYE, REPAYE, SAVE), and graduated repayment plans. See total interest paid and compare repayment strategies for federal and private student loans.

Calculate sales tax and VAT instantly. Add tax to a price or remove tax from a price with accurate calculat

Convert between Celsius, Fahrenheit, and Kelvin temperature scales instantly. Real-time conversion as you

Convert time between different time zones worldwide. Support for UTC, EST, PST, GMT, CET, JST, and more.

Calculate tip amounts and split bills between multiple people. Supports preset and custom tip percentages w

Convert between units for length, weight, temperature, volume, and speed. Supports metric and imperial