Whether you need to calculate percentages, fractions, loans, or BMI, these free online calculators give you instant, accurate results. All tools work in your browser.
Calculate percentages, increases, decreases, and ratios instantly. Free online percentage calculator for discounts and finance.
Perform advanced scientific calculations with trigonometry, logs, and exponents. Free online scientific calculator for math.
Calculate monthly payments for personal or auto loans. See total interest paid and a full amortization schedule.
Add, subtract, multiply, and divide fractions with step-by-step results. Free online fraction calculator for math and cooking.
Calculate your Body Mass Index (BMI) using metric or imperial units. See your BMI category and healthy weight range.
Calculate exact age from birthdate in years, months, and days. Free online age calculator for birthdays and records.
Calculate tips and split bills between multiple people instantly. Free online tip calculator for restaurant bills and groups.
Calculate percentage increase or decrease between two values. Free online percentage change calculator for finance and growth.
Calculate the mean, median, mode, and range of numbers instantly. Free online average calculator for statistics and data.
Calculate ratios, proportions, and scale factors for numbers. Free online ratio calculator for recipes, finance, and engineering.
Yes. They use standard, well-documented formulas (BMI, loan amortization, percentage change, and more) with full precision.
No. Every calculator works instantly with no signup required.
Yes. All calculators are mobile-friendly with touch targets sized for phones.
When choosing a tool, consider your specific needs: file size limits, processing speed, privacy guarantees, and batch processing capabilities. All recommended tools have been tested by our team.