Free calculators for Americans

Tax, paycheck, mortgage, retirement and more — based on current IRS rates and federal & state regulations. All calculations run in your browser.

Federal Tax Brackets

10% – 37%

SS Wage Base

$184,500

401(k) Limit

$24,500

Federal Min Wage

$7.25/hr

Categories

T

Tax & IRS

Federal and state income tax calculators, tax credits, deductions, and IRS tools based on current rates.
P

Pay & Salary

Paycheck calculators for all 50 states, hourly to salary converters, overtime, and take-home pay tools.
R

Retirement & 401(k)

401(k), IRA, Roth, Social Security, and FIRE calculators for retirement planning.
M

Mortgage & Property

Mortgage payment, FHA, VA, home affordability, and property tax calculators.
S

Student Loans & Education

Student loan repayment, IDR plan comparison, PSLF, 529 plan, and college cost calculators.
L

Loans & Debt

Auto loan, personal loan, credit card payoff, and debt repayment calculators.
H

Health & Insurance

ACA marketplace, HSA, Medicare, BMI, calorie, and insurance calculators.
B

Business & Self-Employed

Self-employment tax, LLC vs S-Corp, payroll, break-even, and business finance calculators.
S

Savings & Investment

Compound interest, stock returns, dividend, ROI, and investment growth calculators.
G

Government Benefits

SNAP, Medicaid, Section 8, unemployment, and Social Security disability calculators.
M

Military & Veterans

Military pay, BAH, VA disability, GI Bill, and TSP calculators for service members.
A

Auto & Transport

Fuel cost, EV savings, car depreciation, and vehicle registration calculators.

Popular State Calculators

California

Paycheck Calculator

Texas

Paycheck Calculator

New York

Paycheck Calculator

Florida

Paycheck Calculator

Pennsylvania

Paycheck Calculator

Ohio

Paycheck Calculator

New Jersey

Paycheck Calculator

Illinois

Paycheck Calculator

Washington

Paycheck Calculator

Colorado

Paycheck Calculator

Your data stays with you

All calculations run entirely in your browser using JavaScript. We never collect, store, or transmit your financial data. No signup required.

About Calk-USA

Calk-USA is a free library of more than 700 calculators covering U.S. taxes, paychecks, retirement, mortgages, health costs, small business, government benefits, and more. Each tool is built to answer a specific, real-world question: what a paycheck looks like after withholding, how much a 401(k) might grow, or what a refinance could save. There is no sign-up, no paywall, and no usage limit.

Privacy is structural, not a promise. Every calculation runs entirely in your browser using JavaScript on your own device. The numbers you enter, whether income, account balances, or medical bills, are never sent to a server, collected, stored, or shared. When you close the tab, the data is gone.

The figures behind each tool follow current rules from the IRS, Social Security Administration, and the relevant state and federal agencies, and are maintained for the 2026 tax year. For example, calculators use the 2026 Social Security wage base of $184,500 and the $24,500 401(k) employee deferral limit. Calk-USA is built and kept up to date by Konstantin Iakovlev, Founder and Editor, who reviews the underlying rates against official sources as they change.

Frequently Asked Questions

Is Calk-USA free to use?
Yes. Every calculator on Calk-USA is completely free, with no account required and no limit on how many tools you use or how often. There is no paywall and no premium tier. The site is supported by unobtrusive advertising, not by charging visitors or selling data.
Is my financial data private?
Yes. Every calculation runs locally in your browser on your own device, so the income, balances, and other details you enter are never collected, stored, transmitted to a server, or shared with anyone. We do not have a copy of your inputs, and nothing you type is tied to your identity. Closing the page clears the data.
How current are the 2026 figures, and where do they come from?
Calculators are maintained for the 2026 tax year and use the published rules from the responsible federal and state agencies, primarily the IRS and the Social Security Administration, along with HUD, the VA, the DOL, CMS, and USCIS where relevant. Verified 2026 values include the $184,500 Social Security wage base, the $24,500 401(k) employee deferral limit, the $7.25 federal minimum wage, and federal income tax brackets ranging from 10% to 37%. When agencies release inflation adjustments or rule changes, the affected tools are updated against the official source.
Who builds and maintains the calculators?
Calk-USA is created and maintained by Konstantin Iakovlev, the site's Founder and Editor. He builds each calculator, checks the underlying tax and benefit rules against primary sources from agencies such as the IRS and SSA, and revises the tools as those rules change. This keeps a single, accountable editorial standard across all 700-plus calculators.
Are the results financial, tax, or legal advice?
No. Calk-USA provides estimates and educational information to help you understand how a calculation works, not personalized financial, tax, or legal advice. Real outcomes depend on details specific to your situation and on agency rules that can change. For decisions that matter, confirm the figures with the relevant agency or a qualified professional such as a CPA, financial advisor, or attorney.