Numvion
Calculadoras Gratuitas Online
Calculadoras online gratuitas para IMC, edad, porcentajes, conversión de unidades y más.
🔥 Tendencias
Calculadora de IMC
Calcula tu Índice de Masa Corporal (IMC) gratis online. Descubre si tu peso es saludable.
Calcular edad
Calcula tu edad exacta en años, meses y días. Encuentra tu próximo cumpleaños.
Generador de contraseñas
Generate strong, secure random passwords. Customize length, characters, and complexity. Strength analysis included.
Calcular propina
Calculate tip amount and split the bill between multiple people. Supports custom tip percentages.
Calcular horas de sueño
Calculate the best bedtime or wake-up time based on 90-minute sleep cycles for maximum energy.
Temporizador cuenta regresiva
Create a countdown timer to any date and time. See days, hours, minutes, and seconds remaining.
¿Cuántos días he vivido?
Find out exactly how many days, weeks, hours, and heartbeats you have lived since your birthday.
Formateador JSON
Format, validate and beautify JSON instantly. Detect syntax errors with clear messages. Free online JSON formatter tool.
Generador QR
Generate QR codes instantly for any text, URL, email or phone number. Download as PNG. No server required.
Calculadora Dejar Fumar
Calculate money saved, cigarettes avoided and health benefits since you quit smoking. Enter your quit date and pack price.
⭐ Herramientas populares
Calculadora de IMC
Calcula tu Índice de Masa Corporal (IMC) gratis online. Descubre si tu peso es saludable.
Calcular edad
Calcula tu edad exacta en años, meses y días. Encuentra tu próximo cumpleaños.
Calcular porcentaje
Calcula porcentajes, variaciones y proporciones al instante.
Convertidor de unidades
Convert between length, weight, volume, area, and speed units instantly. Supports metric and imperial systems.
Generador de contraseñas
Generate strong, secure random passwords. Customize length, characters, and complexity. Strength analysis included.
Calcular calorías diarias
Calculate your daily calorie needs (TDEE) and basal metabolic rate (BMR) based on age, weight, height, and activity level.
Días entre dos fechas
Calculate the exact number of days, weeks, months, and years between two dates. Add or subtract days from a date.
Temporizador cuenta regresiva
Create a countdown timer to any date and time. See days, hours, minutes, and seconds remaining.
Calcular horas de trabajo
Calculate total work hours, overtime, and weekly hours. Perfect for tracking work time and payroll.
Formateador JSON
Format, validate and beautify JSON instantly. Detect syntax errors with clear messages. Free online JSON formatter tool.
Codificador Base64
Encode text to Base64 or decode Base64 back to plain text instantly. No server, works entirely in your browser.
Generador QR
Generate QR codes instantly for any text, URL, email or phone number. Download as PNG. No server required.
Calculadora Agua Diaria
Calculate your recommended daily water intake based on body weight and activity level. Supports metric and imperial.
Calcular m²
Calculate room area in square meters or square feet. Add multiple rooms and get total area instantly.
Calculadora Dejar Fumar
Calculate money saved, cigarettes avoided and health benefits since you quit smoking. Enter your quit date and pack price.
Convertidor HEX RGB
Convert HEX color codes to RGB values and vice versa. Preview colors instantly. Essential tool for designers and developers.
Generador Slug URL
Convert any title or text into a clean, SEO-friendly URL slug. Removes special characters and spaces automatically.
Categorías
🛠️ Todas las herramientas
Calculadora de IMC
Calcula tu Índice de Masa Corporal (IMC) gratis online. Descubre si tu peso es saludable.
Calcular edad
Calcula tu edad exacta en años, meses y días. Encuentra tu próximo cumpleaños.
Calcular porcentaje
Calcula porcentajes, variaciones y proporciones al instante.
Convertidor de unidades
Convert between length, weight, volume, area, and speed units instantly. Supports metric and imperial systems.
Generador de contraseñas
Generate strong, secure random passwords. Customize length, characters, and complexity. Strength analysis included.
Calcular calorías diarias
Calculate your daily calorie needs (TDEE) and basal metabolic rate (BMR) based on age, weight, height, and activity level.
Días entre dos fechas
Calculate the exact number of days, weeks, months, and years between two dates. Add or subtract days from a date.
Contar palabras
Count words, characters, sentences, and paragraphs instantly. Estimate reading and speaking time for your text.
Calcular propina
Calculate tip amount and split the bill between multiple people. Supports custom tip percentages.
Convertir temperatura
Convert between Celsius, Fahrenheit, Kelvin, and Rankine instantly. Bidirectional conversion.
Calcular horas de sueño
Calculate the best bedtime or wake-up time based on 90-minute sleep cycles for maximum energy.
Convertidor almacenamiento
Convert between bits, bytes, KB, MB, GB, TB and more. Supports SI and binary units.
Temporizador cuenta regresiva
Create a countdown timer to any date and time. See days, hours, minutes, and seconds remaining.
¿Cuántos días he vivido?
Find out exactly how many days, weeks, hours, and heartbeats you have lived since your birthday.
Calcular horas de trabajo
Calculate total work hours, overtime, and weekly hours. Perfect for tracking work time and payroll.
Formateador JSON
Format, validate and beautify JSON instantly. Detect syntax errors with clear messages. Free online JSON formatter tool.
Codificador Base64
Encode text to Base64 or decode Base64 back to plain text instantly. No server, works entirely in your browser.
Generador QR
Generate QR codes instantly for any text, URL, email or phone number. Download as PNG. No server required.
Calculadora Agua Diaria
Calculate your recommended daily water intake based on body weight and activity level. Supports metric and imperial.
Calcular m²
Calculate room area in square meters or square feet. Add multiple rooms and get total area instantly.
Calculadora Dejar Fumar
Calculate money saved, cigarettes avoided and health benefits since you quit smoking. Enter your quit date and pack price.
Traductor Morse
Translate text to Morse code or decode Morse code to text instantly. Supports dots, dashes and spaces.
Convertidor Binario
Convert plain text to binary (ASCII) or binary back to readable text. Instant results, no installation needed.
Convertidor HEX RGB
Convert HEX color codes to RGB values and vice versa. Preview colors instantly. Essential tool for designers and developers.
Generador Slug URL
Convert any title or text into a clean, SEO-friendly URL slug. Removes special characters and spaces automatically.
Convertidor Timestamp Unix
Convert Unix timestamps to human-readable dates or convert any date to a Unix timestamp. Milliseconds supported.
Todas las calculadoras gratuitas
Calculadoras online gratuitas para IMC, edad, porcentajes, conversión de unidades y más.