Free CalculatorWiser tool

File Compression Ratio Calculator

Calculate original file size divided by compressed size.

How to use the File Compression Ratio Calculator

Calculate original file size divided by compressed size.

Step-by-step instructions

  1. Enter or select Original size.
  2. Enter or select Compressed size.
  3. Tap Calculate.
  4. Review the result shown directly below the calculator.

What the inputs mean

Original size
Enter the value requested by this field label.
Compressed size
Enter the value requested by this field label.

Formula or calculation method

Original size is divided by Compressed size. The calculator formats the quotient as the requested result.

Example

For example, entering 100 for Original size and 4 for Compressed size gives a result of 25.

How to understand the result

The result is the rate, ratio, or amount produced by dividing the first quantity by the second.

Tip: Keep all values in compatible units and use values from the same time period when the calculator compares two amounts.