About Digital Calculator
Free, accurate financial calculators to help you make informed decisions.
Our Mission
Digital Calculator provides free, accurate financial calculators to help individuals and families make informed financial decisions. Whether you are planning a major purchase, saving for retirement, paying down debt, or simply splitting a restaurant bill, our tools give you the clarity you need to move forward with confidence.
We believe everyone deserves access to quality financial planning tools without paywalls, without registration requirements, and without compromising your privacy.
Our Approach
100% Free, No Registration
Every calculator on our site is completely free to use. We never require you to create an account, provide an email address, or share personal information. Just enter your numbers and get results instantly.
Privacy-First Design
Your financial data stays on your device. All calculations are performed locally in your browser. Nothing is transmitted to our servers. We do not track your inputs, store your calculations, or share your data with third parties.
Ad-Free Experience
We prioritize your experience over advertising revenue. Our calculators are designed for clarity and ease of use, without distracting ads or pop-ups interrupting your financial planning.
Accuracy You Can Trust
Our formulas are verified against authoritative sources including IRS publications, SEC guidelines, and standard financial industry formulas. We maintain over 750 automated tests to ensure calculation accuracy across all scenarios.
Our Calculators
We currently offer 21 free calculators across 5 categories, with more being added regularly:
Loan Calculators 8 tools
Mortgage, auto loan, personal loan, student loan, business loan, and APR calculators to help you understand borrowing costs, monthly payments, and total interest over the life of your loans.
Savings & Investment Calculators 8 tools
Compound interest, savings growth, 401(k) retirement, ROI, and emergency fund calculators to help you plan for the future and grow your wealth.
Debt & Credit Calculators 3 tools
Credit card payoff, credit utilization, and debt repayment strategy calculators to help you take control of your debt and improve your credit score.
Economic Calculator 1 tool
Understand how inflation and economic factors affect your purchasing power over time.
Everyday Calculator 1 tool
Quick calculations for daily life, including tip splitting and bill calculations.
Quality Assurance
Accuracy is at the core of everything we build. Here is how we ensure our calculators deliver reliable results:
Automated Testing
Every calculator is backed by comprehensive automated tests. Our test suite includes over 750 unit tests that verify calculation accuracy across thousands of input combinations, edge cases, and boundary conditions.
Cross-Validation
We validate our formulas against authoritative sources including IRS publications for tax-related calculations, SEC guidelines for investment formulas, and standard financial industry formulas used by banks and lenders.
Regular Updates
We regularly update our calculators to reflect changes in tax brackets, contribution limits, and interest rates. Our content includes last-updated dates so you know you are working with current information.
Accessibility Standards
Our calculators meet WCAG 2.1 AA accessibility standards, including full keyboard navigation, screen reader compatibility, and high-contrast color ratios. Everyone deserves access to financial planning tools.
About Markco Labs
DigitalCalculator.info is owned and operated by Markco Labs LLC, a technology company focused on building useful, accessible tools for everyday people.
We started Digital Calculator with a simple goal: create the financial calculators we wished existed. Fast, accurate, private, and free. No gimmicks, no data harvesting, no aggressive monetization. Just helpful tools that respect your time and your privacy.
Our team combines expertise in software development, user experience design, and financial literacy to build calculators that are both powerful and easy to use.
Contact Us
We welcome your feedback, suggestions, and questions. If you have ideas for new calculators, find a bug, or want to share how our tools have helped you, we would love to hear from you.
Email: admin@markcolabs.com
For questions about our privacy practices, please see our Privacy Policy. For terms governing your use of this site, please see our Terms of Use.
Important Disclaimer
The calculators and content on DigitalCalculator.info are provided for informational and educational purposes only. They do not constitute financial, legal, tax, or professional advice.
Calculator results are estimates based on the information you provide and the assumptions built into each tool. Actual outcomes may vary based on individual circumstances, market conditions, and other factors.
We strongly recommend consulting with qualified professionals such as financial advisors, accountants, or attorneys before making any significant financial decisions.