US Salary & Take-Home Pay Calculator — 2026
Free US salary calculator 2026. Calculate take-home pay after federal income tax, Social Security, Medicare, and state tax.
Sales Tax Calculator — Add or Remove
Free US sales tax calculator. Add or remove sales tax from any amount. Supports custom rates for any state.
Loan Payment Calculator — 2026
Free US loan calculator. Calculate monthly payment, total interest, and full loan cost.
US Mortgage Calculator — 2026
Free US mortgage calculator 2026. Calculate monthly payment, LTV ratio, and total cost.
Currency Converter — Live Exchange Rates
Convert between world currencies using live European Central Bank (ECB) exchange rates.
Compound Interest Calculator
Calculate compound interest on savings or investments. See how your money grows with monthly contributions.
Savings Calculator
Calculate how much you will save over time with regular deposits and interest. Plan your financial goals.
Early Loan Payoff Calculator
Calculate how much interest you save by paying off your loan early. Compare different payoff scenarios.
Federal Income Tax Calculator 2026
Estimate your 2026 US federal income tax. Uses updated IRS brackets for single and married filers.
Percent Calculator
Free percent calculator: find X% of Y, what percent one number is of another, and percentage change.
Fraction Calculator
Fraction calculator for addition, subtraction, multiplication, and division. Results simplified automatically.
Mean, Median & Mode Calculator
Calculate mean, median, and mode for a set of numbers. Enter comma-separated values.
Statistics Calculator — Median & Standard Deviation
Calculate median, range, variance, and standard deviation for statistical data sets.
Standard Deviation Calculator
Calculate standard deviation and variance for population or sample. Includes step-by-step explanation.
Quadratic Formula Calculator
Solve quadratic equations ax²+bx+c=0 using the quadratic formula. Shows step-by-step solution.
Area Calculator
Calculate area of geometric shapes: circle, rectangle, triangle, trapezoid, rhombus, and more.
Volume Calculator
Calculate volume of 3D geometric shapes: sphere, cube, cylinder, cone, pyramid, and more.
Time Calculator
Free time calculator: convert between minutes, hours, days, weeks, and months.
Age Calculator
Calculate exact age from date of birth. See age in years, months, days, and hours.
Date Difference Calculator
Calculate the number of days, weeks, months, and years between two dates. Includes business days.
Add Days to Date Calculator
Add or subtract days, weeks, and months from a date. Find a future or past date easily.
Weeks Between Dates Calculator
Calculate how many weeks between two dates. Useful for project planning, pregnancy tracking, and more.
Tip Calculator & Bill Splitter
Calculate tip amount and total bill per person. Split any restaurant bill between multiple people instantly.
Discount Calculator
Calculate price after a percentage discount. See how much you save and the final price.
Unit Price Calculator
Calculate and compare unit price between products. Find the best value per weight, volume, or quantity.
Fuel Cost Calculator
Calculate fuel cost for a trip by distance, fuel efficiency, and gas price. Perfect for travel planning.
BMI Calculator — Body Mass Index
Calculate your Body Mass Index (BMI) and what it means for your health. Based on WHO standards.
BMR Calculator — Basal Metabolic Rate
Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) for weight management.
Calories Burned Calculator
Calculate calories burned during exercise and physical activity. Select activity type, duration, and body weight.
Daily Water Intake Calculator
Calculate how much water you should drink daily based on body weight, activity level, and climate.
Body Fat Percentage Calculator
Calculate body fat percentage using circumference measurements. Based on the US Navy method.
Target Heart Rate Calculator
Calculate your target heart rate zones for exercise based on age and intensity. Uses the Karvonen method.
Weight Converter
Convert between weight units: kilograms, pounds, grams, ounces, tons, and stone. Fast and accurate.
Length Converter
Convert between length units: meters, kilometers, miles, inches, feet, yards, and centimeters.
Volume Converter
Convert between volume units: liters, gallons, milliliters, cups, pints, quarts, fluid ounces.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin. Includes formulas and conversion table.
Speed Converter
Convert between speed units: km/h, mph, m/s, knots, and more. Instant conversion.
Pressure Converter
Convert between pressure units: bar, PSI, pascal, atmosphere, mmHg, and more.
Energy Converter
Convert between energy units: joules, calories, kilocalories, watt-hours, BTU, electronvolts.