File Size Converter
Convert between Bytes (B), Kilobytes (KB), Megabytes (MB), Gigabytes (GB), and Terabytes (TB) using binary (1024) or decimal (1000) base.
How to Use the File Size Converter
- Enter your parameters: Type, paste, or select your input values above.
- View instant results: Calculations update in real time as you change values.
- Copy or export: Click copy, download, or print to use your results immediately.
About this Tool
Instantly calculate storage unit equivalents across SI decimal (KB, MB, GB) and IEC binary (KiB, MiB, GiB) standards.
NIST Standard Unit Conversion Formula
Target Measurement = Source Measurement * Exact Conversion RatioConversions use official National Institute of Standards and Technology (NIST) reference constants to prevent floating-point drift and guarantee multi-decimal accuracy.
Worked Example: Distance Conversion Example
10.0 US Customary Miles
16.0934 Kilometers (10 * 1.609344)
Calculated using the exact international yard-to-meter definition (1 yard = 0.9144 meters).
Frequently Asked Questions
What is the formula to convert Fahrenheit to Celsius?
Celsius = (Fahrenheit - 32) * (5 / 9). For example, 68°F equals (68 - 32) * (5/9) = 36 * 0.5556 = 20°C.
Are US customary fluid ounces different from British Imperial fluid ounces?
Yes. A US fluid ounce is approximately 29.57 ml, whereas an Imperial fluid ounce is 28.41 ml. TTech uses official US Customary standards with international conversion options.
How many decimal places of precision are maintained?
Calculations maintain full 64-bit IEEE 754 precision and round display outputs to standard significant digits.
Calculation Standards
Derived from NIST Handbook 44 and International System of Units (SI) definitions. For tax, legal, or medical advice, consult certified professionals.
Explore More in File Conversion and Compression
Find more online utilities for file conversion and compression.
Browse all File Conversion and Compression toolsRelated Tools
Explore additional utilities in this category
Data Storage Converter
Convert digital storage across Bits, Bytes, KB, MB, GB, TB, and PB in Decimal (1000) or Binary (1024).
Internet Speed Converter
Convert bandwidth between Megabits per second (Mbps), Megabytes per second (MB/s), and download times.
PDF to JPG Converter
Convert PDF document pages into high-resolution JPG images directly in your browser.
JPG to PDF Converter
Combine multiple JPG photos and scans into a single organized PDF document.
PDF to PNG Converter
Convert PDF pages into lossless PNG graphics with sharp text and transparent background support.
PNG to PDF Converter
Turn PNG images and screenshots into clean, printable PDF documents.