Calculators & Converters

Calculate estimated monthly US mortgage payments including principal, interest, property taxes, home insurance, and HOA fees.

Convert numbers between Binary (Base 2), Octal (Base 8), Decimal (Base 10), and Hexadecimal (Base 16) in real-time.

Calculate Body Mass Index (BMI), healthy weight range, and body composition fitness category.

Convert data storage units between Bytes, KB, MB, GB, TB, and PB in real-time.

Calculate monthly EMI, total interest payable, and repayment schedules for home, car, and personal loans.

Calculate exact age in years, months, weeks, days, and hours between two calendar dates.

Calculate file download and upload duration based on file size and internet connection bandwidth.

Convert JSON objects to clean YAML configuration strings or parse YAML back to structured JSON.

Calculate percentage increases, percentage differences, store discount prices, and profit margins.

Convert pixel values (px) to responsive REM and EM CSS units based on custom root font sizes.

Calculate responsive web canvas sizes, scaling factors, and container dimensions for web layouts.

Convert decimal numbers to Roman numerals (e.g. 2026 to MMXXVI) and decode Roman numerals back to numbers.

Convert Unix epoch timestamps to human-readable date strings and convert dates across global timezones.

Calculate your US High School and College Grade Point Average (GPA) on standard 4.0 scale with AP/Honors weighting.

Estimate your net take-home pay after federal income taxes, FICA (Social Security & Medicare), and state tax withholdings.

Calculate total sales tax and final price for US state and local tax rates, or reverse-calculate pre-tax amounts.

Quickly calculate server tip percentage and split dinner or restaurant bills equally per person.