Welcome to CalcMe

Free online calculators, converters, and utilities at your fingertips. Privacy-focused, mobile-friendly, and always accessible—no registration required.

Calculators

Calculate your Body Mass Index (BMI) based on height and weight

Nutrition Calculator

Calculate calories and macronutrients based on body composition and activity

Converters

Convert plain text to Base64 encoded format for safe data transmission

Convert Base64 encoded data back to readable plain text

Utilities

GUID/UUID Generator

Generate unique identifiers (GUIDs/UUIDs) with various formatting options

Random Number Generator

Generate random numbers within a specified range with customizable options

View real-time trading status of global stock exchanges

View detailed information about your screen, window, and browser capabilities.