Online Tools & Calculators
Professional financial and utility calculators to help you make better decisions.
Mortgage Calculator
Calculate your monthly mortgage payments, including principal and interest. Plan your home loan with our easy-to-use Mortgage Calculator.
Use Tool →Auto Loan Calculator
Estimate your monthly car loan payments. Enter the vehicle price, down payment, and interest rate to see your monthly cost.
Use Tool →Payment Calculator
Generic payment calculator for any type of fixed-term loan. Determine your monthly financial obligations.
Use Tool →Amortization Calculator
See how your loan balance decreases over time. Generate a simple amortization schedule summary.
Use Tool →Currency Calculator
Convert between major world currencies. Get up-to-date exchange rate estimates for travel or business.
Use Tool →Finance Calculator
General purpose finance tool for investment growth. Calculate future value of your savings.
Use Tool →Income Tax Calculator
Estimate your net income after tax. Simple percentage-based tax calculation.
Use Tool →Salary Calculator
Convert your annual salary into monthly, bi-weekly, and hourly pay rates.
Use Tool →Interest Rate Calculator
Calculate the interest earned on savings or paid on loans. Simple and compound interest options.
Use Tool →House Affordability Calculator
Determine how much house you can afford based on your income and debts.
Use Tool →Rent Calculator
Determine how much rent you can afford based on your annual income.
Use Tool →Estate Tax Calculator
Estimate potential federal estate taxes on your assets.
Use Tool →Social Security Calculator
Estimate your future Social Security retirement benefits.
Use Tool →Annuity Payout Calculator
Calculate the monthly income you can receive from an annuity investment.
Use Tool →Credit Cards Payoff Calculator
Find out how long it will take to pay off your credit card debt.
Use Tool →Debt Consolidation Calculator
See if consolidating your debts into one loan will save you money.
Use Tool →Student Loan Calculator
Calculate monthly payments and total interest for student loans.
Use Tool →Simple Interest Calculator
Calculate simple interest without compounding. Useful for short-term loans.
Use Tool →Bond Calculator
Estimate the current price and yield of a bond.
Use Tool →IRA Calculator
Project the growth of your Individual Retirement Account (IRA) over time.
Use Tool →401k Calculator
Plan your retirement savings with a 401(k) growth projection.
Use Tool →Investment Calculator
Calculate the future value of an investment with monthly contributions.
Use Tool →Stock Profit Calculator
Calculate your profit or loss from a stock trade.
Use Tool →ROI Calculator
Calculate Return on Investment (ROI) for any business or financial venture.
Use Tool →Margin Calculator
Calculate profit margin and markup for products.
Use Tool →Options Profit Calculator
Calculate profit/loss for a basic Call or Put option trade.
Use Tool →Compound Interest Calculator
See the power of compound interest on your savings over time.
Use Tool →Present Value Calculator
Determine the current value of a future sum of money.
Use Tool →Future Value Calculator
Calculate what an investment today will be worth in the future.
Use Tool →Inflation Calculator
Calculate the purchasing power of money over time due to inflation.
Use Tool →VAT Calculator
Calculate VAT (Value Added Tax) to find the gross or net price.
Use Tool →Auto Lease Calculator
Estimate your monthly car lease payments.
Use Tool →Average Return Calculator
Calculate the arithmetic and geometric average return of your investments.
Use Tool →Discount Calculator
Calculate the sale price of an item after a discount.
Use Tool →Debt-to-Income Ratio Calculator
Calculate your DTI ratio to see if you qualify for a loan.
Use Tool →Take-Home Paycheck Calculator
Estimate your net pay after deductions.
Use Tool →Boat Loan Calculator
Calculate monthly payments for a boat or yacht loan.
Use Tool →Refinance Calculator
See if refinancing your mortgage will save you money.
Use Tool →Rental Property Calculator
Analyze the potential return on a rental property investment.
Use Tool →FHA Loan Calculator
Estimate payments for an FHA loan with Mortgage Insurance Premium (MIP).
Use Tool →Home Equity Loan Calculator
Calculate monthly payments for a home equity loan or HELOC.
Use Tool →Down Payment Calculator
Calculate how much you need to save for a home down payment.
Use Tool →Payback Period Calculator
Calculate the time required to recover the cost of an investment.
Use Tool →Mortgage Calculator UK
Calculate monthly mortgage payments for UK loans (GBP).
Use Tool →Mortgage Amortization Calculator
View a detailed amortization schedule for your mortgage.
Use Tool →BMI Calculator
Calculate your Body Mass Index (BMI) to check if you are at a healthy weight.
Use Tool →Body Fat Calculator
Estimate your body fat percentage using the US Navy method.
Use Tool →Macro Calculator
Calculate your optimal macronutrient ratios (Protein, Carbs, Fats) for your goals.
Use Tool →Pregnancy Calculator
Estimate your due date based on your last menstrual period.
Use Tool →Pregnancy Conception Calculator
Estimate when you conceived based on your due date.
Use Tool →Pace Calculator
Calculate your running pace, time, or distance.
Use Tool →Carbohydrate Calculator
Calculate your daily carbohydrate needs based on your activity level.
Use Tool →Healthy Weight Calculator
Find your ideal body weight range based on height and frame.
Use Tool →One Rep Max Calculator
Estimate your 1RM for weightlifting exercises.
Use Tool →Protein Calculator
Calculate your optimal daily protein intake.
Use Tool →TDEE Calculator
Calculate your Total Daily Energy Expenditure (calories burned per day).
Use Tool →Conception Calculator
Find your most fertile days to increase chances of conception.
Use Tool →Scientific Calculator
A fully functional scientific calculator for advanced math operations.
Use Tool →Fraction Calculator
Add, subtract, multiply, and divide fractions.
Use Tool →Percentage Calculator
Calculate percentages, percentage changes, and reverse percentages.
Use Tool →Random Number Generator
Generate a random number within a specified range.
Use Tool →Circle Calculator
Calculate area, circumference, radius, and diameter of a circle.
Use Tool →Triangle Calculator
Calculate area and perimeter of a triangle.
Use Tool →Rectangle Calculator
Calculate area, perimeter, and diagonal of a rectangle.
Use Tool →Cylinder Volume Calculator
Calculate the volume and surface area of a cylinder.
Use Tool →Sphere Volume Calculator
Calculate the volume and surface area of a sphere.
Use Tool →Cone Volume Calculator
Calculate the volume and surface area of a cone.
Use Tool →Standard Deviation Calculator
Calculate mean, variance, and standard deviation of a data set.
Use Tool →Binary Calculator
Perform arithmetic operations with binary numbers.
Use Tool →Hex Calculator
Perform arithmetic operations with hexadecimal numbers.
Use Tool →Prime Number Calculator
Check if a number is prime and find the next prime number.
Use Tool →GCF / LCM Calculator
Calculate Greatest Common Factor and Least Common Multiple.
Use Tool →GFR Calculator
Calculate Glomerular Filtration Rate (GFR) to check kidney function.
Use Tool →Body Surface Area Calculator
Calculate the total surface area of the human body.
Use Tool →Anorexic BMI Calculator
Check if your BMI falls into the underweight or anorexic range.
Use Tool →Overweight Calculator
Determine if you are overweight based on BMI and ideal weight.
Use Tool →Volume Calculator
Calculate volume for common 3D shapes like cubes, spheres, and cylinders.
Use Tool →Percent Error Calculator
Calculate the percentage error between an experimental value and a theoretical value.
Use Tool →Half-Life Calculator
Calculate half-life, remaining quantity, or time elapsed for radioactive decay.
Use Tool →Slope Calculator
Calculate the slope, distance, and equation of a line between two points.
Use Tool →Area Calculator
Calculate the area of common 2D shapes.
Use Tool →Probability Calculator
Calculate the probability of a single event or multiple events.
Use Tool →Mean, Median, Mode, Range Calculator
Calculate the mean, median, mode, and range of a data set.
Use Tool →Z-score Calculator
Calculate the Z-score from a raw score, population mean, and standard deviation.
Use Tool →Ratio Calculator
Solve ratio problems for missing values or simplify ratios.
Use Tool →Pythagorean Theorem Calculator
Calculate the length of a side of a right triangle.
Use Tool →Root Calculator
Calculate the square root, cube root, or any nth root of a number.
Use Tool →Rounding Calculator
Round numbers to the nearest whole number, decimal place, or fraction.
Use Tool →Scientific Notation Calculator
Convert numbers to and from scientific notation.
Use Tool →Prime Factorization Calculator
Find the prime factors of any integer.
Use Tool →Basic Calculator
A simple calculator for everyday arithmetic operations.
Use Tool →Average Calculator
Calculate the arithmetic mean (average) of a set of numbers.
Use Tool →Age Calculator
Calculate your age in years, months, weeks, days, hours, minutes, and seconds.
Use Tool →Time Calculator
Add or subtract time (hours, minutes, seconds) from a date.
Use Tool →GPA Calculator
Calculate your Grade Point Average (GPA) based on grades and credits.
Use Tool →Height Calculator
Predict a child's future adult height based on parents' height.
Use Tool →IP Subnet Calculator
Calculate network details from an IP address and subnet mask.
Use Tool →Password Generator
Generate strong, secure random passwords.
Use Tool →Conversion Calculator
Convert between various units of measurement (Length, Weight, Temperature, etc.).
Use Tool →Voltage Drop Calculator
Calculate voltage drop in a wire based on current, distance, and wire size.
Use Tool →Square Footage Calculator
Calculate the area in square feet for various shapes.
Use Tool →Time Zone Calculator
Convert time between different time zones.
Use Tool →GDP Calculator
Calculate Gross Domestic Product (GDP) using the expenditure approach.
Use Tool →Horsepower Calculator
Calculate horsepower from torque and RPM, or 1/4 mile time.
Use Tool →Stair Calculator
Calculate the number of steps and riser height for a staircase.
Use Tool →Ohms Law Calculator
Calculate Voltage, Current, Resistance, or Power using Ohm's Law.
Use Tool →Shoe Size Conversion
Convert shoe sizes between US, UK, EU, and CM standards.
Use Tool →Mileage Calculator
Calculate gas mileage (MPG) and trip cost.
Use Tool →Mass Calculator
Calculate mass from density and volume.
Use Tool →Speed Calculator
Calculate speed, distance, or time.
Use Tool →Molecular Weight Calculator
Calculate the molar mass of a chemical formula.
Use Tool →Golf Handicap Calculator
Calculate your golf handicap index.
Use Tool →Tire Size Calculator
Compare tire sizes and calculate diameter differences.
Use Tool →Tile Calculator
Calculate the number of tiles needed for a floor or wall.
Use Tool →Gravel Calculator
Calculate how much gravel you need for your project.
Use Tool →Heat Index Calculator
Calculate the heat index (feels like temperature).
Use Tool →Bandwidth Calculator
Calculate bandwidth requirements and download times.
Use Tool →Day Counter
Count days between two dates.
Use Tool →Loan Calculator
Calculate monthly loan payments and total interest.
Use Tool →Interest Calculator
Calculate simple or compound interest.
Use Tool →Retirement Calculator
Calculate retirement savings needed.
Use Tool →Investment Calculator
Calculate investment growth over time.
Use Tool →Inflation Calculator
Calculate the effect of inflation on purchasing power.
Use Tool →Mortgage Payoff Calculator
Calculate how to pay off your mortgage faster.
Use Tool →Compound Interest Calculator
Calculate compound interest with varying compounding frequencies.
Use Tool →401K Calculator
Calculate 401(k) retirement savings with employer match.
Use Tool →Sales Tax Calculator
Calculate sales tax and total price.
Use Tool →Savings Calculator
Calculate savings growth with regular deposits.
Use Tool →Marriage Tax Calculator
Calculate tax impact of marriage (penalty or bonus).
Use Tool →Pension Calculator
Calculate pension benefits and retirement income.
Use Tool →Annuity Calculator
Calculate annuity payments and future value.
Use Tool →Credit Card Calculator
Calculate credit card payoff time and total interest.
Use Tool →Debt Payoff Calculator
Create a debt payoff strategy (snowball or avalanche).
Use Tool →Repayment Calculator
Calculate loan repayment schedule and monthly payment.
Use Tool →College Cost Calculator
Estimate future college costs and savings needed.
Use Tool →CD Calculator
Calculate Certificate of Deposit returns.
Use Tool →Roth IRA Calculator
Calculate Roth IRA growth and retirement savings.
Use Tool →RMD Calculator
Calculate Required Minimum Distribution for retirement accounts.
Use Tool →Cash Back or Low Interest Calculator
Compare cash back vs. low interest credit card offers.
Use Tool →Depreciation Calculator
Calculate asset depreciation (straight-line and declining balance).
Use Tool →Margin Calculator
Calculate profit margin and markup.
Use Tool →Business Loan Calculator
Calculate business loan payments and costs.
Use Tool →Real Estate Calculator
Calculate real estate investment returns (cap rate, ROI).
Use Tool →Personal Loan Calculator
Calculate personal loan payments and total cost.
Use Tool →Lease Calculator
Calculate auto or equipment lease payments.
Use Tool →Budget Calculator
Create and analyze monthly budget.
Use Tool →IRR Calculator
Calculate Internal Rate of Return for investments.
Use Tool →APR Calculator
Calculate Annual Percentage Rate.
Use Tool →VA Mortgage Calculator
Calculate VA loan payments with funding fee.
Use Tool →HELOC Calculator
Calculate Home Equity Line of Credit payments.
Use Tool →Rent vs. Buy Calculator
Compare renting vs buying a home.
Use Tool →Present Value Calculator
Calculate present value of future cash flows.
Use Tool →Commission Calculator
Calculate sales commission and earnings.
Use Tool →Canadian Mortgage Calculator
Calculate mortgage payments with semi-annual compounding.
Use Tool →Percent Off Calculator
Calculate sale price with discount percentage.
Use Tool →Calorie Calculator
Calculate daily calorie needs based on activity level.
Use Tool →BMR Calculator
Calculate Basal Metabolic Rate.
Use Tool →Ideal Weight Calculator
Calculate ideal body weight range.
Use Tool →Pregnancy Weight Gain Calculator
Calculate recommended pregnancy weight gain.
Use Tool →Due Date Calculator
Calculate pregnancy due date.
Use Tool →Army Body Fat Calculator
Calculate body fat percentage using Army method.
Use Tool →Lean Body Mass Calculator
Calculate lean body mass and fat mass.
Use Tool →Calories Burned Calculator
Calculate calories burned during exercise.
Use Tool →Target Heart Rate Calculator
Calculate target heart rate zones for exercise.
Use Tool →Fat Intake Calculator
Calculate recommended daily fat intake based on calorie needs.
Use Tool →Ovulation Calculator
Calculate ovulation date and fertile window.
Use Tool →Period Calculator
Calculate and predict menstrual cycle dates.
Use Tool →Body Type Calculator
Determine your body type (ectomorph, mesomorph, endomorph).
Use Tool →BAC Calculator
Estimate Blood Alcohol Content based on drinks consumed.
Use Tool →Weight Watcher Points Calculator
Calculate Weight Watchers points for foods.
Use Tool →Fraction Calculator
Add, subtract, multiply, and divide fractions.
Use Tool →Triangle Calculator
Calculate triangle properties from sides or angles.
Use Tool →Standard Deviation Calculator
Calculate standard deviation and variance of a data set.
Use Tool →Number Sequence Calculator
Find patterns and next terms in number sequences.
Use Tool →Exponent Calculator
Calculate powers and exponents.
Use Tool →Hex Calculator
Convert between hexadecimal, decimal, and binary.
Use Tool →Quadratic Formula Calculator
Solve quadratic equations ax² + bx + c = 0.
Use Tool →Log Calculator
Calculate logarithms (natural, base 10, custom base).
Use Tool →Sample Size Calculator
Calculate required sample size for surveys.
Use Tool →Statistics Calculator
Calculate comprehensive statistics for a data set.
Use Tool →Permutation and Combination Calculator
Calculate permutations and combinations.
Use Tool →Confidence Interval Calculator
Calculate confidence interval for a mean.
Use Tool →Distance Calculator
Calculate distance between two points in 2D or 3D space.
Use Tool →Surface Area Calculator
Calculate surface area of 3D shapes.
Use Tool →Right Triangle Calculator
Calculate sides and angles of right triangles.
Use Tool →Least Common Multiple Calculator
Calculate the least common multiple of numbers.
Use Tool →Factor Calculator
Find all factors of a number.
Use Tool →Matrix Calculator
Perform matrix operations (add, multiply, determinant).
Use Tool →Big Number Calculator
Perform calculations with very large numbers.
Use Tool →Common Factor Calculator
Find common factors of multiple numbers.
Use Tool →Long Division Calculator
Perform long division with step-by-step results.
Use Tool →P-value Calculator
Calculate p-value from z-score or t-score.
Use Tool →Date Calculator
Calculate days between dates or add/subtract days.
Use Tool →Hours Calculator
Calculate total hours between times or add/subtract hours.
Use Tool →Grade Calculator
Calculate weighted grades and GPA.
Use Tool →Concrete Calculator
Calculate cubic yards of concrete needed.
Use Tool →Bra Size Calculator
Calculate bra size from measurements.
Use Tool →Dice Roller
Roll virtual dice for games.
Use Tool →Fuel Cost Calculator
Calculate fuel cost for a trip.
Use Tool →BTU Calculator
Calculate BTU requirements for heating/cooling.
Use Tool →Time Card Calculator
Calculate weekly hours and pay from time cards.
Use Tool →Love Calculator
Calculate love compatibility between two names (for fun).
Use Tool →Gas Mileage Calculator
Calculate MPG from miles driven and fuel used.
Use Tool →Engine Horsepower Calculator
Calculate engine horsepower from various inputs.
Use Tool →Resistor Calculator
Calculate resistor values from color bands.
Use Tool →Electricity Calculator
Calculate electricity cost and usage.
Use Tool →Tip Calculator
Calculate tip amount and split the bill.
Use Tool →Density Calculator
Calculate density, mass, or volume.
Use Tool →Weight Calculator
Convert weight between different units.
Use Tool →Molarity Calculator
Calculate molarity of a solution.
Use Tool →Roman Numeral Converter
Convert between Roman numerals and Arabic numbers.
Use Tool →Sleep Calculator
Calculate optimal sleep and wake times.
Use Tool →Roofing Calculator
Calculate roofing materials needed.
Use Tool →Mulch Calculator
Calculate mulch needed for landscaping.
Use Tool →Wind Chill Calculator
Calculate wind chill temperature.
Use Tool →Dew Point Calculator
Calculate dew point from temperature and humidity.
Use Tool →Time Duration Calculator
Calculate duration between two times or add time.
Use Tool →Day of the Week Calculator
Find what day of the week any date falls on.
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