Free CalculatorWiser tool

Body Weight Loss Percentage Calculator

Calculate percentage change from starting weight to current weight.

How to use the Body Weight Loss Percentage Calculator

Calculate percentage change from starting weight to current weight.

Step-by-step instructions

  1. Enter or select Starting weight.
  2. Enter or select Current weight.
  3. Tap Calculate.
  4. Review the result shown directly below the calculator.

What the inputs mean

Starting weight
Enter the requested weight or mass using the unit shown or a consistent unit.
Current weight
Enter the requested weight or mass using the unit shown or a consistent unit.

Formula or calculation method

The change between the original value and the new value is divided by the original value, then multiplied by 100.

Example

For example, a value that rises from 80 to 100 has increased by 25%.

How to understand the result

The result is a percentage. A higher or lower percentage has different meaning depending on the calculator, so compare it with the goal, limit, benchmark, or historical value relevant to your situation.

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