Calculator Tools
Discover all tools tagged with Calculator. Free to play — no download, no account.
Free Body Mass Index Calculator with Health Score
Calculate your BMI (Body Mass Index) and get a comprehensive health score. Supports both metric and imperial units with personalized recommendations based on gender and exercise frequency.
Calculate Body Fat Percentage & Health Score
Calculate your body fat percentage using the US Navy method with our free body fat calculator. Get detailed body composition analysis, health score, and fitness recommendations based on your measurements.
Split Shopping Bills & Receipts
Easily split grocery bills and shopping receipts among friends, roommates, or family. Track individual items, calculate tax and tip, and export results to CSV or JSON.
Calculate Days Between Dates
Calculate days between dates, add or subtract days from any date with our free online date calculator. Supports business days calculation, multiple date formats, and instant results. Perfect for project planning, scheduling, and date arithmetic.
Calculate Your Grade Point Average
Calculate your GPA (Grade Point Average) online for free with our comprehensive GPA calculator. Track multiple semesters, weighted courses, and export your academic data. Supports AP, IB, Honors, and regular courses with automatic calculations.
Calculate Weighted Grades & GPA
Calculate your weighted grades and GPA online for free with our comprehensive grade calculator. Support for percentage, letter grades, and points with advanced features like final exam grade prediction, data export/import, and saved calculations.
Statistical Measures Calculator
Calculate mean, median, and mode of any dataset with our free online statistical calculator. Get detailed step-by-step calculations, frequency tables, and comprehensive statistical analysis.
Solve Any Triangle with SSS, SAS, ASA, AAS, SSA
Calculate triangle sides, angles, area, and perimeter using our advanced triangle calculator. Supports SSS, SAS, ASA, AAS, and SSA methods with step-by-step solutions and interactive visualization.
Calculate Weeks Between Dates
Calculate weeks between dates, add weeks to dates, or subtract weeks from dates with our free online week calculator. Supports both calendar weeks and business weeks (Monday-Friday) with multiple date formats.
Convert Dates to Week Numbers & Vice Versa
Calculate week numbers from dates or find dates from week numbers. Supports both North American (Sunday start) and ISO 8601 (Monday start) week numbering systems with interactive calendar view.
Time Calculator
Calculate hours between two dates, add hours to a start time, or subtract hours from an end time. Features customizable time format (12/24 hour) and optional seconds display for precise time calculations.