Correct Way To Convert Size In Bytes To KB, MB, GB In JavaScript
Answer : From this: (source) function bytesToSize(bytes) { var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB']; if (bytes == 0) return '0 Byte'; var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024))); return Math.round(bytes / Math.pow(1024, i), 2) + ' ' + sizes[i]; } Note : This is original code, Please use fixed version below. Aliceljm does not active her copied code anymore Now, Fixed version unminified, and ES6'ed: (by community) function formatBytes(bytes, decimals = 2) { if (bytes === 0) return '0 Bytes'; const k = 1024; const dm = decimals < 0 ? 0 : decimals; const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']; const i = Math.floor(Math.log(bytes) / Math.log(k)); return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i]; } Now, Fixed version : (by Stac...