What Is CalculatorFix?
CalculatorFix is a free, browser-based collection of financial calculators covering loans, savings, tax, budgeting, business finance, and more. Every tool on this site is available without an account, without a subscription, and without ads getting in the way of the answer you need.
We built CalculatorFix because most financial calculators online are either buried in dense comparison sites with hidden agendas, or stripped down to the point of being useless. Our goal is a middle ground: purpose-built tools that are genuinely accurate, clearly explained, and fast to use.
Our Mission
Financial clarity should not require a degree, a subscription, or sitting through an ad. CalculatorFix exists to give anyone — whether they're comparing mortgage offers, planning retirement, or figuring out how much tax they owe — instant, trustworthy numbers they can act on.
What We Cover
All calculators on CalculatorFix fall into one of six financial sub-categories:
- Loans & Borrowing — mortgages, auto loans, personal loans, student loans, credit card payoff, and debt tools.
- Savings & Investment — compound interest, ROI, bonds, mutual funds, IRR, retirement accounts, and more.
- Tax & Income — income tax, salary, take-home paycheck, sales tax, VAT, and estate tax.
- Budgeting & Planning — budget, house affordability, rent, rental property, college costs, and inflation.
- Business Finance — margin, profit, break-even, markup, payroll, and depreciation.
- Currency & Rates — APR, inflation, and interest rate calculations.
How Our Calculators Work
Every calculator runs entirely in your browser using JavaScript. No data you enter is sent to a server, stored in a database, or shared with any third party. Results are instantaneous — there is no form submission, no loading spinner, and no waiting.
Each tool uses the same formula that banks, financial advisers, and government agencies use. We source formulas from established financial standards bodies and peer-reviewed references, and we review them regularly to keep them correct.
Accuracy & Limitations
CalculatorFix calculators are designed to give accurate estimates based on the values you provide. They are not a substitute for advice from a qualified financial adviser, accountant, or lender. Tax rates, lending criteria, and financial regulations vary by country, state, and circumstance — always verify results with a professional before making significant financial decisions.
Contact Us
Have a question, found an error, or want to suggest a calculator? Visit our contact page — we read every message.