@toolsnap/age-calculator

Lightweight, zero-dependency age calculation utilities for Node.js and browsers.

Installation

npm install @toolsnap/age-calculator

Usage

const { calculate, inDays, inMonths, isMinor, nextBirthday } = require('@toolsnap/age-calculator');

calculate('1995-06-15', '2026-04-19');
// { years: 30, months: 10, days: 4 }

inDays('2000-01-01');        // total days lived
inMonths('2000-01-01');      // total months lived
isMinor('2015-01-01');       // true or false
nextBirthday('1995-06-15');  // next birthday Date object

API

| Function | Description | |----------|-------------| | calculate(birth, [to]) | Age as {years, months, days} | | inDays(birth, [to]) | Total days from birth | | inMonths(birth, [to]) | Total months from birth | | isMinor(birth, [to]) | Whether the person is under 18 | | nextBirthday(birth) | Next upcoming birthday |

Online Tool

Try our free online age calculator — no install needed.

License

MIT