About FiscalCalc
Built for the decision you're in the middle of — not for the lender waiting to reach you.
Who built this
You're here because something just happened — a lender quote, a job offer, a credit card statement — and you need to understand a number before you can move forward.
You don't need a lecture. You need a straight answer to a specific question — backed by real data, explained clearly enough to act on it.
That's what FiscalCalc is for.
My name is M. Sarr. I built FiscalCalc because I needed it. I'm not a financial advisor, and I never try to act like one. What I am is someone who got fed up with calculators that hand you a result with no explanation — and articles that talk around the answer instead of giving it.
Every calculator on this site shows you the formula and the assumptions behind it. Every article is written for someone in the middle of a decision, not someone studying for a test. I use primary sources — IRS, Federal Reserve, CFPB — and I link to them directly so you can verify anything yourself.
Every claim is sourced. Every number is verifiable. That's the standard, every article.
Why this exists
Most financial calculator sites are built around a different goal. The calculator is the hook; your financial situation is the inventory. The moment you type in your income, your loan amount, or your credit score, that data is worth money — to lenders, to card companies, to anyone who pays to reach someone in exactly your position. So the result comes with recommendations. The formula stays hidden. And the email prompt appears before you see anything.
I built FiscalCalc to be the opposite. Enter your numbers. Get your result in seconds — the exact number, with the formula that produced it, explained step by step. No email required. No sign-up gate. No financial product tied to your answer.
Most free calculator sites are built to connect you to a lender. I built this so you'd understand your number — not trust theirs.
What FiscalCalc does differently
Every calculator on FiscalCalc shows the formula that produced the result — not just the output. Each variable is defined. The math is laid out. You can follow the calculation step by step and verify it against the same sources I use.
All formulas are sourced from the IRS, CFPB, and Federal Reserve, and updated every January to reflect current tax brackets, federal rates, and lending guidelines. No stale numbers.
How the calculators work
All calculators run entirely in your browser. No data is sent to any server. I don't ask for your name, email, phone number, or address to use any tool. You come with a question, you leave with an answer — nothing submitted, nothing stored, nothing sent.
If you find a calculation error, contact me at hello@fiscalcalcs.com. I'll verify and publish a correction.
Want to go further?
The calculators are free and always will be — no account required. If you want to go further, you can join thousands of subscribers who receive updated calculators, annual formula refreshes, and financial guides directly. That option is always available, and always your choice.
Our calculators
FiscalCalc covers 40+ calculators: mortgage, loan payment, salary and paycheck, retirement savings, compound interest, home affordability, auto loan, credit card payoff, life insurance, debt-to-income ratio, refinance break-even, investment return, budget, emergency fund, 401k contribution, amortization, break-even, inflation, net worth, and tax bracket.
Disclaimer
Results are for educational and informational purposes only. FiscalCalc is not a licensed financial advisor, mortgage broker, or tax professional. Consult a qualified professional before making major financial decisions. Formula accuracy is maintained annually but may not reflect mid-year regulatory changes.