Free
No signup, no paywall. Every calculator is completely free to use, forever.
Accurate
IRS-sourced data verified by 90+ automated tests against hand-computed expected values.
Private
No tracking, no ads. Your financial data stays in your browser and is never shared.
Our Mission
Tax and financial calculations should be accessible to everyone, not locked behind paywalls or buried in confusing software. MyCashCalc exists to give every American a clear, no-nonsense view of their finances — whether they are negotiating a raise, planning a move to a new state, or budgeting for a major purchase. We believe informed financial decisions start with transparent, accurate numbers.
How We Ensure Accuracy
Primary Sources
Federal tax brackets from IRS Publication 15-T. State rates from each state’s department of revenue.
Annual Review
Every January, we audit and update all tax data to reflect the new tax year.
Automated Testing
90+ automated tests verify calculations against hand-computed expected values.
Published
Accurate, up-to-date financial data for every US state and city.
What MyCashCalc Covers
We offer 13 free calculators, with state-level customization for all 50 US states plus DC:
- Paycheck Calculator — take-home pay after federal, state, and FICA taxes for all 50 states
- Mortgage Calculator — monthly payment including PITI (principal, interest, taxes, insurance)
- Sales Tax Calculator — combined state and local sales tax rates on purchases
- Student Loan Calculator — compare Standard, Extended, Graduated, and IDR repayment plans
- Car Loan Calculator — monthly payment, total interest, and true cost of auto financing
- Hourly to Salary Converter — convert hourly wages to annual salary with tax context
- Compound Interest Calculator — investment and savings growth with daily/monthly/annual compounding
- Retirement Calculator — project retirement savings and sustainable withdrawal income
- Net Worth Calculator — total assets minus liabilities for a complete financial snapshot
- Debt Payoff Calculator — payoff timeline, total interest cost, and savings from extra payments
- Savings Goal Calculator — time and monthly contributions needed to reach any savings target
- Inflation Calculator — purchasing power loss and equivalent value across any time period
- Tip Calculator — tip amount and bill splitting for any group size
Data Sources
- Federal tax brackets: IRS Publication 15-T (2026)
- State income tax rates: State revenue departments (updated January 2026)
- Sales tax rates: Tax Foundation & state agencies
- City populations: US Census Bureau (2020 Census)
- Student loan rates: Federal Student Aid
- FICA & Medicare: Social Security Administration
Disclaimer
The calculators on this site are for informational and educational purposes only. They should not be considered tax, legal, or financial advice. Results are estimates based on publicly available data and may not reflect your exact situation. Always consult a qualified tax professional or financial advisor for advice specific to your circumstances. MyCashCalc is not a registered financial advisor, CPA, or tax preparation service.
Contact
Have feedback, found an error in our data, or want to suggest a new calculator? Email us at [email protected]. We review every message and typically respond within 48 hours.