Calculators
Free tools built on official US data, updated automatically. No sign-up, no tracking, and the numbers come with their sources.
Inflation calculator
What a dollar amount from any month or year since 1913 is worth today, using the official Consumer Price Index.
Social Security COLA
This year's cost-of-living adjustment, what it does to your benefit, the full history, and a running estimate for next year.
Has your pay kept up with inflation?
Compare a past and a current salary or hourly wage in today's dollars, and against average US wage growth.
Federal income tax calculator 2026
Estimate your 2026 federal income tax with the official IRS brackets, including the new deductions for tips, overtime and seniors.
Mortgage calculator
Monthly payment at today's average mortgage rate, and what the change in rates since last year means for the same loan.
National debt clock
The US national debt now, per person and per household, how fast it is growing and what the interest costs each day.