Converter Web ToolsConverter WebTools

25 increased by 20% = 30

25 increased by 20 percent is 30. Step-by-step solution with the formula and worked example.

25 increased by 20% = 30
increased by %

Solution: 25 increased by 20 percent

Increase = 20% × 25 = 5
Result = 25 + 5 = 30

Step-by-step explanation

  1. Find the increase: 20% of 25 = 5.
  2. Add it to the original: 25 + 5 = 30.
  3. Shortcut: multiply by (1 + 20/100) = ×1.2.

Good to know

Shortcut: increasing by 20% is the same as multiplying by 1.2 (that is 100% + 20%). So 25 × 1.2 = 30 in a single step — handy for adding tax, interest or a markup.

Frequently asked questions

25 increased by 20 percent
25 increased by 20% = 30.

How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.

Calculated instantly in your browser. Try your own numbers in the box above, or use the full Percentage Calculator.