All Calculators
One searchable list for every live calculator. Leave the search box empty to browse everything, or type a keyword to narrow it down.
Showing the full calculator library.
401K Calculator
Project your 401(k) balance at retirement with employer match and contributions.
Age Calculator
Calculate exact age in years, months, and days from any birthdate.
Amortization Calculator
See your full loan amortization schedule with principal and interest breakdown by month.
Annuity Calculator
Calculate annuity payments, present value, or future value of an annuity.
Annuity Payout Calculator
Calculate periodic payout amounts from an annuity based on balance and term.
APR Calculator
Calculate the true annual percentage rate on loans and credit cards including fees.
Area Calculator
Calculate area of circles, rectangles, triangles, and more shapes.
Attendance Calculator
Track your class attendance percentage and see how many absences you can still afford.
Auto Lease Calculator
Estimate your monthly auto lease payment based on price, residual, and money factor.
Auto Loan Calculator
Estimate your monthly auto loan payment with trade-in value and sales tax.
Average Calculator
Calculate mean, median, mode, range, and standard deviation for any dataset.
Average Return Calculator
Calculate the average annual return of an investment over multiple periods.
Binary Calculator
Convert between binary, decimal, octal, and hexadecimal. Perform binary arithmetic and bitwise operations.
Birthday Calculator
Find out your exact age, days until your next birthday, zodiac sign, and fun birthday facts.
BMI Calculator
Calculate your Body Mass Index and interpret your weight category.
BMR Calculator
Calculate your Basal Metabolic Rate to understand energy at rest.
Boat Loan Calculator
Estimate your monthly boat loan payment and total financing cost.
Body Fat Calculator
Estimate your body fat percentage using measurements.
Budget Calculator
Create a personal budget using the 50/30/20 rule and track your spending.
Business Loan Calculator
Estimate monthly payments and total cost for a small business loan.
Calorie Calculator
Find out how many calories you need daily to reach your goals.
Calorie Deficit Calculator
Calculate your personalized calorie deficit target to lose weight safely.
Canadian Mortgage Calculator
Calculate Canadian mortgage payments with semi-annual compounding.
Car Payment Calculator
Calculate your monthly car payment and total loan cost based on price, rate, and term.
Cash Back or Low Interest Calculator
Compare a cash-back rebate versus a low-interest financing offer on a purchase.
Cash Out Refinance Calculator
Calculate how much cash you can take out when refinancing your home.
CD Calculator
Calculate the maturity value and interest earned on a certificate of deposit.
College GPA Calculator
Track and calculate cumulative college GPA across multiple semesters.
Compound Interest Calculator
See how your investments grow with the power of compound interest.
Credit Card Calculator
See how long it takes to pay off credit card debt and total interest paid.
Credit Cards Payoff Calculator
Plan how to pay off multiple credit cards with optimal payment allocation.
Currency Converter
Convert between 30 world currencies using approximate mid-market exchange rates.
Date Calculator
Add or subtract days from a date and find the difference between dates.
Date to Date Calculator
Calculate the exact number of days, weeks, months, and years between two dates.
Days Between Dates
Calculate the exact number of days between any two dates with hours, minutes, and a visual chart.
Debt Consolidation Calculator
Compare consolidating multiple debts into a single lower-rate loan.
Debt Payoff Calculator
Create a debt payoff plan using snowball or avalanche strategies.
Debt-to-Income Ratio Calculator
Calculate your debt-to-income ratio to see if you qualify for a mortgage.
Depreciation Calculator
Calculate asset depreciation using straight-line, declining balance, or MACRS methods.
Discount Calculator
Calculate the final price after any discount percentage and optional tax.
Down Payment Calculator
Calculate how much you need to save for a home down payment.
Estate Tax Calculator
Estimate federal estate tax liability based on estate value and exemptions.
Exponent Calculator
Calculate powers and exponents for any base and exponent value.
Federal Tax Calculator
Estimate your federal income tax based on income, filing status, and deductions.
FHA Loan Calculator
Estimate monthly payments for an FHA loan including mortgage insurance.
Final Exam Calculator
Calculate the minimum score you need on your final exam to achieve your desired course grade.
Final Grade Calculator
Find out what score you need on your final exam to get your target grade.
Fraction Calculator
Add, subtract, multiply, and divide fractions instantly.
Future Value Calculator
Calculate the future value of an investment with regular contributions.
GCF Calculator
Find the greatest common factor of two or more numbers with prime factorization.
GDP Calculator
Calculate GDP using expenditure, income, or production approaches.
GPA Calculator
Calculate your GPA on a 4.0 scale from course grades and credits.
Grade Calculator
Calculate your weighted course grade from assignment scores.
Graphing Calculator
Plot and analyze mathematical functions on an interactive graph.
Heart Rate Calculator
Calculate target heart rate zones for exercise and fat burning.
HELOC Calculator
Calculate payments on a home equity line of credit during draw and repayment periods.
High Yield Savings Calculator
See how much your money grows in a high-yield savings account over time.
Home Affordability Calculator
Find out how much house you can afford based on your income and debts.
Home Equity Loan Calculator
Find out how much equity you can borrow against your home and estimate monthly payments.
Hourly to Salary Calculator
Convert your hourly wage to an equivalent annual salary.
Ideal Weight Calculator
Find your ideal body weight using multiple medical formulas.
Income Tax Calculator
Estimate your federal income tax based on filing status and deductions.
Inflation Calculator
Calculate the inflation-adjusted value of money over time using historical CPI data.
Interest Calculator
Calculate simple and compound interest on any principal amount over time.
Interest Rate Calculator
Find the interest rate needed to reach a future value from a present value.
Investment Calculator
Project future value of investments with regular contributions and compound interest.
IRA Calculator
Estimate your Traditional IRA balance at retirement with tax-deferred growth.
IRR Calculator
Calculate the internal rate of return for a series of cash flows.
LCM Calculator
Calculate the least common multiple for any set of numbers.
Lease Calculator
Calculate lease payments for equipment, vehicles, or property.
Loan Calculator
Estimate monthly payments and total cost for any personal or auto loan.
Logarithm Calculator
Compute natural log, base-10 log, or any custom base logarithm.
Long Division Calculator
Solve long division problems step by step with quotient and remainder.
Macro Calculator
Calculate optimal daily protein, carb, and fat intake for your fitness goals.
Margin Calculator
Calculate profit margin, markup percentage, and selling price from cost.
Marriage Tax Calculator
Compare your tax liability filing jointly versus separately as a married couple.
Moon Phase Compatibility Calculator
Discover your cosmic connection by comparing moon phases between two dates.
Mortgage Calculator
Calculate your monthly mortgage payment, total interest, and amortization schedule.
Mortgage Calculator UK
Calculate UK mortgage repayments in pounds with stamp duty estimates.
Mortgage Payoff Calculator
See how extra payments can help you pay off your mortgage faster.
Mutual Fund Calculator
Project mutual fund growth with systematic investments and expense ratios.
One Rep Max Calculator
Estimate your maximum lift weight from submaximal training sets.
Overtime Calculator
Calculate overtime pay based on hours worked and pay rate with FLSA rules.
Ovulation Calculator
Predict your ovulation and fertile window.
Pace Calculator
Calculate running pace, speed, or finish time for any distance.
Payback Period Calculator
Determine how long it takes to recoup an investment from its cash flows.
Paycheck Calculator
Estimate your take-home pay after federal, state, and local taxes.
Payment Calculator
Calculate monthly payments for any loan based on amount, rate, and term.
Pension Calculator
Estimate your pension benefit based on years of service and salary history.
Percent Change Calculator
Calculate the percentage change between two values — increase or decrease.
Percentage Calculator
Calculate percentages, percent change, and percent of a number.
Percentage Increase Calculator
Calculate the percentage increase from one value to another.
Personal Loan Calculator
Calculate monthly payments and total interest for any personal loan amount and rate.
Pregnancy Calculator
Track your pregnancy timeline with trimester milestones and key dates.
Pregnancy Due Date Calculator
Estimate your baby's due date from last period or conception.
Pregnancy Weight Gain Calculator
Calculate recommended weight gain during pregnancy based on pre-pregnancy BMI.
Present Value Calculator
Calculate the present value of a future sum or annuity at a given discount rate.
Prime Factorization Calculator
Break down any number into its prime factors with step-by-step division.
Protein Calculator
Find out how much protein you need daily based on your goals.
Pythagorean Theorem Calculator
Solve for any side of a right triangle using the Pythagorean theorem.
Quadratic Formula Calculator
Solve quadratic equations using the quadratic formula.
Random Number Generator
Generate random numbers within any range instantly.
Ratio Calculator
Simplify ratios, solve proportions, and scale ratios step by step.
Real Estate Calculator
Analyze real estate investment returns including rental income and appreciation.
Refinance Calculator
Compare your current mortgage to a refinanced loan and see monthly savings.
Rent Calculator
Determine how much rent you can afford based on your income and expenses.
Rent vs. Buy Calculator
Compare the long-term financial impact of renting versus buying a home.
Rental Property Calculator
Calculate rental property cash flow, cap rate, and return on investment.
Repayment Calculator
Calculate loan repayment schedules with principal and interest breakdowns.
Retirement Calculator
Estimate how much you need to retire comfortably.
RMD Calculator
Calculate required minimum distributions from your retirement accounts.
ROI Calculator
Measure the return on investment for any project or asset over time.
Roman Numeral Converter
Convert between Roman numerals and Arabic numbers with symbol breakdown.
Roth IRA Calculator
Project your Roth IRA balance at retirement with tax-free growth estimates.
Salary Calculator
Convert between hourly, weekly, monthly, and annual salary figures.
Salary to Hourly Calculator
Convert your annual salary to an equivalent hourly wage.
Sales Tax Calculator
Quickly compute sales tax for any purchase amount and rate.
Savings Calculator
Plan your savings goals with deposit and interest projections over time.
Scientific Calculator
Full-featured scientific calculator for complex calculations.
Self-Employment Tax Calculator
Calculate SE tax and estimated quarterly payments for freelancers and contractors.
Simple Interest Calculator
Calculate simple interest earned or owed on a principal amount.
Sleep Calculator
Find the best times to sleep or wake up based on 90-minute sleep cycles.
Social Security Calculator
Estimate your Social Security benefits based on earnings and claiming age.
Square Root Calculator
Find the square root or nth root of any number.
Standard Deviation Calculator
Compute standard deviation and variance for statistical data.
Student Loan Calculator
Calculate student loan payments and total repayment cost for any plan.
Study Time Calculator
Plan your study sessions with Pomodoro scheduling and a visual daily timeline.
Take-Home Pay Calculator
See your net pay after all deductions and withholdings.
Tax Calculator
Estimate your federal and state income tax liability for the current tax year.
TDEE Calculator
Total Daily Energy Expenditure based on activity level.
Test Grade Calculator
Convert your raw test score to a percentage and letter grade instantly with a visual gauge.
Time Calculator
Add, subtract, and convert hours, minutes, and seconds.
Time Card Calculator
Track work hours and calculate total pay for any pay period.
Time Clock Calculator
Calculate hours worked and daily pay from clock-in and clock-out times.
Time Duration Calculator
Calculate the duration between a start time and end time.
Time Zone Converter
Convert times between any world time zones and view a live world clock for 8 major cities.
Tip Calculator
Calculate tip amount and split the bill among any number of people.
Triangle Calculator
Solve triangles — find missing sides, angles, area, and perimeter.
Unit Converter
Convert between metric and imperial units for length, weight, temperature, volume, speed, area, time, and data.
VA Mortgage Calculator
Calculate VA loan payments with no down payment and no PMI.
VAT Calculator
Add or remove VAT from any price at any tax rate.
Voltage Drop Calculator
Calculate voltage drop across a wire based on length, gauge, and current.
Volume Calculator
Find volume and surface area of 3D shapes including spheres, cylinders, and cubes.
Water Intake Calculator
Calculate your recommended daily water intake based on weight and activity.
Weighted Grade Calculator
Calculate your weighted course grade with a pie chart showing weight distribution.
Work Hours Calculator
Calculate total work hours and earnings across shifts and days.