Online Utility Calculators Suite
The most complete calculator on the internet! Calculate BMI, loans, compound interest, conversions and much more. 100% free, works offline and installs as an app on your device.
Used by students, professionals and companies worldwide
Features and Advantages
Mathematical Precision
Validated algorithms and updated formulas for reliable results in all calculations.
Ultra Fast
Instant calculations with optimized interface. Results in milliseconds.
Works Everywhere
Desktop, tablet, smartphone. Even without internet. Install as native app.
Total Privacy
Your data stays on your device. No tracking.
Multilingual
Portuguese, English and Spanish. More languages coming soon.
Educational
Learn with explanations of formulas and calculation methods used.
Calculators by Category
40+ Free Online Calculators
Find the perfect tool for your calculations. All calculators are free, work offline and do not require registration.
🔥 Most Used Calculators
BMI Calculator
Calculate your Body Mass Index.
Loan Calculator
Simulate loan payments and interest.
Compound Interest
Calculate investments with compound interest.
Basic Calculator
Fundamental mathematical operations.
Scientific Calculator
Advanced calculator with scientific functions.
BMI Calculator
Calculate your Body Mass Index.
Loan Calculator
Simulate loan payments and interest.
Currency Converter
Convert between different currencies.
Unit Converter
Convert length, weight, temperature and more.
Tip Calculator
Calculate tips and split bills.
Percentage Calculator
Calculate percentages, increases and discounts.
Compound Interest
Calculate investments with compound interest.
Area Calculator
Calculate areas of geometric shapes.
Temperature Converter
Convert between Celsius, Fahrenheit and Kelvin.
Age Calculator
Calculate your exact age in years, months and days.
Fuel Calculator
Calculate consumption, autonomy and cost per kilometer.
Simple Interest
Calculate simple interest in loans and investments.
Discount Calculator
Calculate discounts and final prices in purchases.
Time Converter
Convert between seconds, minutes, hours, days and more.
Loan Amortization Calculator
Calculate loan amortization schedules and monthly payments.
Net Salary Calculator
Calculate net salary after taxes and deductions.
Energy Consumption Calculator
Calculate electricity consumption and costs for appliances.
Paint Calculator
Calculate paint needed for walls and surfaces.
Packaging Converter
Convert between different volume units for cooking and packaging.
Travel Cost Calculator
Calculate total travel costs including fuel, tolls, and per person expenses.
Investment Calculator
Calculate investment growth with regular contributions and compound interest.
Date Calculator
Add, subtract, or calculate the difference between dates.
Manual Currency Converter
Convert currencies using custom exchange rates.
Advanced Percentage Calculator
Advanced percentage calculations including ratios and proportions.
Matrix Calculator
Perform matrix operations including addition, multiplication, determinant, and inverse.
Legal Fees Calculator
Calculate contingency fees and hiring fees.
Asset Division Calculator
Calculate asset division in divorce and inventory.
Legal Interest Calculator
Calculate default interest and monetary correction.
Monetary Correction Calculator
Calculate updates by official indices.
Court Fees Calculator
Calculate court costs by state.
Medication Dosage Calculator
Calculate dosage by weight and age.
Child BMI Calculator
Calculate BMI and percentiles by age.
Construction Materials Calculator
Calculate quantity of materials needed.
Electricity Calculator
Calculate electrical sizing and consumption.
Grade Calculator
Calculate averages and simulate recoveries.
Educational Interest Calculator
Learn compound interest with examples.
ROI Calculator
Calculate return on investment.
Delivery Time Calculator
Calculate deadlines considering holidays.
Linear Regression
Trend analysis and predictions.
Probability Calculator
Calculate probabilities and distributions.
Carbon Emission Calculator
Calculate carbon footprint.
Water Consumption Calculator
Calculate consumption and water savings.
About
Free and Professional Online Calculators
Discover Suite Calculators, the definitive platform for free online calculations. Our progressive web application offers more than 40 specialized calculators, from basic math tools to advanced calculators for finance, health, construction and much more.
Designed for students, professionals and companies, our online calculator suite combines technical precision with an intuitive interface. Perform complex calculations quickly and free, without the need to install software.
Why choose our online calculators?
🎯 Guaranteed Precision
Validated mathematical algorithms and updated formulas for reliable results in all online calculations.
⚡ Superior Performance
Optimized interface for instant loading and real-time calculations, even on slow connections.
📱 Works on Any Device
Responsive calculators that work perfectly on desktop, tablet and smartphones.
🌐 Completely Free
Unlimited access to all online calculators without costs or limitations.
🔒 Security and Privacy
Your calculations remain private. We do not store personal data or usage history.
📚 Educational
Learn with detailed explanations of the formulas and calculation methods used.
Available Calculator Categories
🏠 Daily Calculators
BMI, age, tips, percentages, unit converters and much more.
💰 Financial Calculators
Loans, compound interest, investments, net salary, amortization.
⚖️ Legal Calculators
Legal fees, default interest, monetary correction, court costs.
🏗️ Construction Calculators
Materials, painting, electricity, construction volumes and areas.
📊 Advanced Calculators
Matrices, linear regression, probabilities, descriptive statistics.
🌱 Environmental Calculators
Carbon emissions, water consumption, energy efficiency.
Technology and Innovation
- PWA Application: Install as native app on your device Instale como app nativo no seu dispositivo
- Offline Mode: Keep using even without internet connection Continue usando mesmo sem conexão com a internet
- Responsive Design: Optimized for all screen sizes Otimizado para todos os tamanhos de tela
- Multilingual Support: Available in Portuguese, English and Spanish Disponível em português, inglês e espanhol
- Complete History: Save and export your calculations in JSON Salve e exporte seus cálculos em JSON
- SEO Optimized: Easily find our calculators in search engines Encontre facilmente nossas calculadoras nos motores de busca
- Total Accessibility: Keyboard navigation and screen readers Navegação por teclado e leitores de tela
- Automatic Updates: Always with the latest features Sempre com as últimas funcionalidades
Ready to calculate?
Explore our complete collection of online calculators and discover how we can facilitate your daily calculations.
Privacy Policy
Last updated: November 8, 2025
This Privacy Policy describes how Suite Calculators collects, uses and protects your information when you use our web application.
Information We Collect
Analytics Data
We use Google Analytics to understand how our application is used. We collect information about visited pages, usage time and device type. This data is anonymized and does not identify individual users.
Calculation Data
All calculations are performed locally on your device. We do not store or transmit the values entered in calculators to our servers.
Local History
Calculation history is stored only in your local browser (localStorage). You can export, import or clear this data at any time.
How We Use Your Information
- To improve user experience and optimize application performance
- To monitor performance metrics and identify potential problems
- To guide the development of new features and calculators
Data Sharing
We do not sell, rent or share your personal information with third parties. Analytics data is sent only to Google Analytics, in accordance with their privacy policy.
Cookies and Local Storage
We use essential cookies for application functionality and user preferences (theme, language). Calculation history is stored in browser localStorage.
Security
Since all calculations are performed locally, your data is never transmitted over the internet. We use HTTPS to protect analytics data transmission.
Your Rights
- Access to data we collect about you
- Deletion of personal data
- Opt-out of analytics (by disabling JavaScript)
- Export of calculation history
Contact
For privacy questions, contact us through the contact section of this site.
Changes to This Policy
We may update this policy periodically. The last update date will always be visible at the top of this page.
Terms of Use
Last updated: November 8, 2025
Welcome to Suite Calculators. These terms of use govern the use of our online calculator web application.
Acceptance of Terms
By accessing and using Suite Calculators, you agree to comply with these terms of use. If you do not agree with these terms, please do not use our application.
Service Description
Suite Calculators offers a collection of free online calculators for educational, professional and personal purposes. All calculators are provided "as is" without warranties.
Permitted Use
- Personal and non-commercial use
- Educational and professional use
- Independent verification of results
- Respect for third party rights
Prohibited Use
- Illegal or fraudulent activities
- System damage or service interference
- Unauthorized commercial use
- Reverse engineering or code modification
Calculation Accuracy
We strive to provide accurate calculations, but we do not guarantee absolute accuracy. Users should independently verify results, especially for important decisions.
Disclaimer
Suite Calculators is not responsible for losses or damages resulting from calculator use. Calculations are provided for informational purposes only.
Privacy
Your privacy is important to us. Consult our Privacy Policy to understand how we collect and use your information.
Terms Modifications
We may modify these terms at any time. Continued use of the application after changes constitutes acceptance of the new terms.
Contact
For questions about these terms, contact us through the contact section of this site.
Contact
Contact Us
We are pleased to hear your suggestions, questions or feedback about Suite Calculators.
Response Time
We respond to all messages within 48 business hours. For urgent issues, use the technical support email.
Community
Join our community of users and developers on GitHub to contribute improvements and new calculators.