Our Mission
CalculatorsApp exists to give everyone access to fast, reliable, and completely free online calculators. Whether you're calculating a mortgage payment, checking your BMI, converting units, or generating a secure password — we believe these tools should be instantly accessible, work perfectly on any device, and never require registration.
We built this site because most calculator websites are either cluttered with intrusive ads, require accounts, or give inaccurate results. We wanted to do better.
Our Values
What We Offer
Our calculators are organised into four main categories, each with tools built for real-world use:
- Financial Calculators — Mortgage, loan, compound interest, salary, income tax, retirement, ROI, currency converter, inflation, and sales tax.
- Fitness & Health — BMI, calorie needs, body fat, BMR, heart rate zones, water intake, pregnancy due date, and age calculator.
- Math Calculators — Scientific calculator, percentage, area, fractions, statistics, triangle solver, square root, and powers.
- Other Calculators — Date difference, unit converter, GPA, grade, time, fuel cost, discount, random number, password generator, concrete, and subnet.
How We Make Money
CalculatorsApp is supported by advertising. We display non-intrusive ads through Google AdSense to cover hosting and development costs. We do not sell your data, and we do not allow advertisers to influence calculator results or editorial content.
If you are in the EU or EEA, you will see a cookie consent notice before any personalised advertising is shown. You can decline at any time.
Accuracy Disclaimer
While we take great care to ensure all calculations are accurate, CalculatorsApp calculators are provided for informational and educational purposes only. Results should not be used as the sole basis for financial, medical, legal, or other professional decisions.
- Tax calculators use US 2024 federal brackets and may not reflect your actual liability.
- Health calculators use established formulas (Mifflin-St Jeor, BMI, US Navy method) but individual results vary.
- Currency rates are indicative and may differ from live market rates.
- Always consult a qualified professional for important financial or medical decisions.
Contact Us
Get in Touch
We aim to respond to all enquiries within 2 business days.