Free Online Calculator Tools
Welcome to our comprehensive collection of 413+ free online calculator tools. Whether you need to calculate loans, percentages, taxes, calories, or complex mathematical equations, we have the right tool for you. Available in multiple languages: English, Indonesian (Bahasa Indonesia), and Polish.
📊 Our Calculator Collection
413 Total Calculators | 3 Languages | 100% Free
🇺🇸 English • 🇮🇩 Bahasa Indonesia • 🇵🇱 Polski
🔍 Find Your Calculator
🔥 Most Popular Calculators
🏛️ Tax Calculator / Kalkulator Pajak
Calculate income tax, VAT, and other tax-related calculations. Available in multiple languages.
🍎 Calorie Calculator / Kalkulator Kalori
Calculate daily calorie needs, BMR, and weight management requirements.
👶 Pregnancy Calculator / Kalkulator Kehamilan
Calculate due dates, pregnancy weeks, and important pregnancy milestones.
📊 Percentage Calculator / Kalkulator Persen
Calculate percentages, percentage increase, decrease, and percentage of numbers.
🏠 Mortgage Calculator
Calculate monthly mortgage payments, amortization schedules, and loan details.
🔬 Scientific Calculator / Kalkulator Scientific
Advanced mathematical calculations with scientific functions and formulas.
🇮🇩 Kalkulator Bahasa Indonesia (283+ Calculators)
Koleksi lengkap kalkulator online gratis dalam Bahasa Indonesia untuk berbagai kebutuhan perhitungan.
🇺🇸 English Calculators (50+ Calculators)
Comprehensive collection of free online calculators in English for various calculation needs.
🇵🇱 Kalkulatory Polskie (80+ Calculators)
Kompleksowa kolekcja darmowych kalkulatorów online w języku polskim dla różnych potrzeb obliczeniowych.
📱 Features & Benefits
🆓 100% Free
All 413+ calculators are completely free to use. No registration, no hidden fees, no premium accounts required.
📱 Mobile Optimized
Perfect mobile experience with responsive design. All calculators work flawlessly on phones, tablets, and desktops.
🌍 Multi-Language
Available in English, Indonesian (Bahasa Indonesia), and Polish. Localized content and currency formats.
⚡ Instant Results
Get accurate calculations instantly. No waiting, no loading times. Results appear immediately after clicking calculate.
🔒 Privacy Focused
No data collection, no tracking, no cookies. Your calculations stay private and secure on your device.
🎯 Accurate & Reliable
All calculators use precise mathematical formulas and are regularly tested for accuracy and reliability.
🏷️ Calculator Categories
💰 Financial Calculators
50+ calculators for loans, mortgages, investments, taxes, savings, and financial planning.
Examples: Mortgage, Tax, Loan, Investment, Retirement, Currency
🏥 Health & Fitness Calculators
80+ calculators for BMI, calories, pregnancy, nutrition, and health monitoring.
Examples: BMI, Calorie, Pregnancy, Heart Rate, Blood Pressure
📊 Math & Science Calculators
120+ calculators for mathematical operations, scientific calculations, and conversions.
Examples: Scientific, Percentage, Statistics, Physics, Chemistry
🎓 Education Calculators
40+ calculators for grades, GPA, scholarships, and educational planning.
Examples: GPA, Grade, Scholarship, Study Time, Academic
🏢 Business Calculators
60+ calculators for business planning, payroll, profit, and commercial calculations.
Examples: Payroll, Profit, ROI, Break-even, Commission
🔧 Utility Calculators
63+ calculators for everyday calculations, conversions, and practical tools.
Examples: Unit Conversion, Date, Time, Age, Distance