31 free U.S. tools · 2026 figures
Free calculators for U.S. paychecks, mortgages, and everyday math.
Free U.S. calculators for paycheck estimates by state, sales tax, mortgages, tips, salary, BMI, and everyday math. Private tools that run in your browser—no account, no upload. Pick a tool, get an answer, read how the math works.
- Runs in your browser
- No account
- Nothing uploaded
Popular
Everyday percent math, U.S. CPI inflation, a tip split, take-home pay, sales tax by state, and how much house you can afford.
Money
Percentage Calculator — What Is X% of a Number
Free percentage calculator: what is X% of Y, what percent X is of Y, and percent increase or decrease. Instant math in your browser.
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Money
US Inflation Calculator — CPI Last 10 Years
See what a U.S. dollar is worth in another year using CPI-U. Includes the consumer price index for the last 10 years and 1913–2026 conversions.
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Money
Tip Calculator — Split the Bill (15%, 18%, 20%)
Free tip calculator: 15%, 18%, or 20% on a U.S. restaurant bill, plus tax and an even split. Runs in your browser.
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Money
Free Paycheck Calculator (2026)
Free U.S. paycheck calculator with 2026 federal tax, FICA, and state income tax. Estimate monthly and biweekly take-home for all 50 states.
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Money
Sales Tax Calculator
Add U.S. sales tax to a price by state. Uses 2026 state rates plus average local tax. See the tax amount and the total you’ll pay.
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Money
House Affordability Calculator
Estimate how much house you can afford from U.S. income, debts, down payment, and a 28/36-style DTI cap. See max price and monthly PITI.
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Paycheck by state
High-search U.S. states with 2026 federal, FICA, and state wage tax already selected.
- California
- Texas
- Florida
- New York
- Pennsylvania
- Illinois
- Ohio
- Georgia
- North Carolina
- New Jersey
- All 50 states + D.C.
Sales tax pages for the same states: California, Texas, Florida, New York, and every state.
Money
U.S. take-home pay by state, student loans, IRAs, rent vs buy, CDs, credit card payoff, mortgage refinance, how much house you can afford, car payments, amortization, 401(k) deferrals, overtime, and sales tax.
Money
Salary to Hourly Calculator
Convert annual salary to an hourly rate, or hourly pay to yearly salary. Adjust hours per week and unpaid time off.
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Money
Free Paycheck Calculator (2026)
Free U.S. paycheck calculator with 2026 federal tax, FICA, and state income tax. Estimate monthly and biweekly take-home for all 50 states.
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Money
Overtime Calculator
Free U.S. overtime calculator for time-and-a-half or double time. Enter hourly rate and hours this week. FLSA-style weekly overtime after 40 hours.
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Money
401(k) Calculator (2026 Limits)
Free 2026 401(k) calculator: employee deferral, employer match, IRS limits, catch-up, and a projected balance. Private, in your browser.
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Money
Student Loan Payoff Calculator
Free U.S. student loan payoff calculator. See the monthly payment and how extra principal cuts interest and months. Private, in your browser.
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Money
Roth & Traditional IRA Calculator (2026)
Free 2026 IRA calculator with the $7,500 limit and $1,100 catch-up. Compare Roth vs Traditional after-tax value at a constant return.
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Money
Rent vs Buy Calculator
Compare U.S. rent with a house payment: mortgage, tax, insurance, HOA, and maintenance. See cash outlay over the years you would stay.
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Money
CD and High-Yield Savings Calculator
Project a U.S. CD or high-yield savings balance from APY, term, and optional monthly deposits. See interest at the end of the term.
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Money
Loan Payment Calculator
Calculate a monthly loan payment from amount, rate, and term. See total interest for personal loans and other amortizing debt. For the schedule, use the amortization calculator.
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Money
Amortization Calculator
Build a U.S. loan amortization schedule from amount, rate, and term. See interest vs principal each month, add extra principal, and download CSV.
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Money
Credit Card Payoff Calculator
See how long to pay off a U.S. credit card at your payment versus an estimated minimum. Compare months, interest, and the cost of paying only the minimum.
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Money
Free Mortgage Payment Calculator
Estimate a U.S. monthly mortgage payment with principal, interest, taxes, insurance, HOA, and PMI. Compare 15-year and 30-year terms.
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Money
Mortgage Payoff Calculator
See how extra monthly principal shortens a U.S. mortgage and how much interest you avoid. Compare scheduled P&I with the accelerated payoff.
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Money
Mortgage Refinance Calculator
Compare your current U.S. mortgage with a refinance: new payment, cash break-even, closing costs, and whether a longer term erases the rate cut.
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Money
House Affordability Calculator
Estimate how much house you can afford from U.S. income, debts, down payment, and a 28/36-style DTI cap. See max price and monthly PITI.
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Money
Car Payment Calculator
Estimate a U.S. monthly car payment with price, down payment, trade-in, sales tax, rate, and term. See amount financed and total interest.
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Money
Compound Interest Calculator
See how a balance and monthly contributions grow with compound interest. Annual, quarterly, monthly, or daily compounding. Private, in your browser.
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Money
US Inflation Calculator — CPI Last 10 Years
See what a U.S. dollar is worth in another year using CPI-U. Includes the consumer price index for the last 10 years and 1913–2026 conversions.
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Money
Tip Calculator — Split the Bill (15%, 18%, 20%)
Free tip calculator: 15%, 18%, or 20% on a U.S. restaurant bill, plus tax and an even split. Runs in your browser.
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Money
Percentage Calculator — What Is X% of a Number
Free percentage calculator: what is X% of Y, what percent X is of Y, and percent increase or decrease. Instant math in your browser.
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Money
Sales Tax Calculator
Add U.S. sales tax to a price by state. Uses 2026 state rates plus average local tax. See the tax amount and the total you’ll pay.
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Everyday
BMI in pounds or kilos, dates, U.S. customary and metric units, time zones, and 4.0 GPA.
Everyday
BMI Calculator
Calculate body mass index from height and weight in metric or imperial units. See the WHO category and the BMI formula.
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Everyday
Age Calculator
Calculate age from a birth date, or the exact difference between two dates in years, months, and days. Leap years included.
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Everyday
Unit Converter
Convert length, weight, and temperature between metric and U.S. customary units. cm to inches, kg to lbs, Celsius to Fahrenheit.
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Everyday
Time Zone Converter
Convert a date and time between world time zones, including U.S. zones and daylight saving. Schedule meetings without the offset guess.
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Everyday
GPA Calculator
Calculate a weighted GPA on a 4.0 U.S. scale. Add courses, letter grades, and credit hours to see your average.
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Utilities
Writing, passwords, color contrast, and QR codes. Still private. Still instant.
Utilities
Word Counter
Count words, characters, sentences, and paragraphs. See reading time as you type or paste. Text never leaves your browser.
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Utilities
Case Converter
Convert text to uppercase, lowercase, title case, sentence case, camelCase, or snake_case. Instant and private.
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Utilities
Password Generator
Generate a random password in your browser with cryptographically strong randomness. Choose length and character sets. Nothing is uploaded.
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Utilities
Color Contrast Checker
Check WCAG contrast between foreground and background colors. See AA and AAA pass/fail for normal and large text.
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Utilities
QR Code Generator
Create a QR code from a URL or text in your browser. Download a PNG. The content is never sent to a server.
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