Everyday math, made effortless.
Fast, accurate calculators for money, work, school, home and everyday life. No signup required.
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Purpose-built tools for the calculations that matter.
Finance
Plan borrowing, saving, and major purchases with clear estimates.
Explore calculators →Salary & Work
Convert pay rates and understand earnings across common time periods.
Explore calculators →Math
Solve common percentage and number problems quickly.
Explore calculators →Education
Useful grade and GPA tools for students and teachers.
Explore calculators →Home
Measure spaces and estimate home projects.
Explore calculators →Everyday
Fast tools for dates, shopping, dining, and daily decisions.
Explore calculators →Calculate in seconds
Mortgage Calculator
Estimate your monthly mortgage payment including principal, interest, property taxes, insurance, and HOA dues.
Open calculator →Auto Loan Calculator
Estimate a car loan payment and the total interest paid.
Open calculator →Loan Calculator
Calculate monthly payments, interest, and total cost for a fixed-rate loan.
Open calculator →Compound Interest Calculator
Project investment growth with compound interest and regular contributions.
Open calculator →Percentage Calculator
Find what percentage one number is of another.
Open calculator →Salary Calculator
Convert an annual salary to hourly, weekly, and monthly pay.
Open calculator →Hourly to Salary Calculator
Convert an hourly wage into annual, monthly, weekly, and daily pay.
Open calculator →Age Calculator
Calculate age in years, months, days, and total days.
Open calculator →Date Difference Calculator
Find the number of days, weeks, and hours between two dates.
Open calculator →Answers you can understand.
Every calculator shows its formula, explains the result, and runs privately in your browser. No hidden steps, no account, no noise.