All Calculators

🧮 Calculator Boy - All Calculators in One Place

Welcome to Calculator Boy's complete calculator collection! Whether you're solving basic math, estimating your loan EMI, planning a SIP, or tracking your fitness goals—our wide range of tools helps you calculate faster, smarter, and more accurately. Designed for all devices and instantly responsive, every calculator below is tailored to a specific purpose and packed with useful features.

✅ Categories & What You Can Do

• 📊 Financial Tools - From EMI estimates to tax calculations, plan your money better:
• 💸 EMI Calculator - Know your monthly payments with accurate breakdowns of principal and interest.
• 🏦 Loan Calculator - Estimate total repayment, monthly installments, and more.
• 🚗 Car Loan Calculator - Budget your vehicle purchase by calculating EMIs quickly.
• 💼 Business Loan Calculator - Determine monthly costs for business loans, with interest tracking.
• 🏠 Home Loan Calculator - Plan your home financing with real-time EMI and tenure calculations.
• 📈 SIP Calculator - Forecast mutual fund returns and future wealth with systematic investments.
• 🌍 GDP Calculator - Understand economic data using gross domestic product formulas.
• 🧾 GST Calculator - Add or remove Goods and Services Tax (GST) easily for pricing and invoices.
• 💰 Tip Calculator - Split restaurant bills and tips fairly among groups.
• 🧠 Math & Education - Simplify studies, homework, or classroom tasks:
• 🧮 Basic Calculator - Perform quick addition, subtraction, multiplication, and division.
• 🔬 Scientific Calculator - Use advanced math functions including exponents, trig, and logs.
• 🎓 GPA Calculator - Calculate semester-wise GPA or CGPA with subject weightage.
• ➗ Percentage Calculator - Solve percentage increases, decreases, and ratios easily.
• 🧍 Health & Wellness - Track your physical well-being with precision:
• 💪 BMI Calculator - Know your body mass index to assess fitness levels.
• 🍽️ Calorie Calculator - Estimate daily calorie needs for your health or fitness goals.
• 🤰 Pregnancy Calculator - Track due dates, trimesters, and key pregnancy milestones.
• ⏳ Date & Time Utilities - Time-based tools to help in planning and analysis:
• ⏱️ Time Calculator - Add, subtract, or convert time durations with ease.
• 🎂 Age Calculator - Find your exact age in years, months, and days.

🔍 How These Tools Work

Every calculator is powered by JavaScript for lightning-fast performance and accuracy. Inputs are processed instantly, giving you results without needing to reload the page. From simple arithmetic to financial forecasts, our calculators apply real-world logic, interest formulas, health metrics, and time-date calculations to keep results reliable.

💡 Tips for Best Experience

• Use on any device - Mobile, tablet, or desktop, our calculators are fully responsive.
• Bookmark your favorites - Easily return to the tools you use most often.
• Combine tools - Use Time + Age or Loan + EMI calculators together for advanced planning.
• Accurate & fast - Get results in real time without delays.

🎯 Why Calculator Boy?

We’ve built this platform for everyone—from students and professionals to homemakers and investors. Each calculator is designed to be simple, transparent, and helpful, so you can make smarter decisions without the hassle of manual math. Best of all, it's free and always available when you need it.