Percentage Increase Calculator icon
Free · No signup · Instant results · Updated 2026-09-17

Percentage Increase Calculator

Answer: Increasing a value by X%: new value = original × (1 + X/100); increase amount = original × (X/100).

About this tool

Calculate the percent increase between any two numbers — price hikes, salary raises, growth rates. Free, instant, no signup.

  • Result120
  • Increase amount20

Result = value × (1 + percent / 100)

How to use Percentage Increase Calculator

  1. Enter the starting value.
  2. Enter the percent increase.
  3. Read the new total and the absolute increase amount.

Why use this free tool

  • 100% free — no account required.
  • Runs in your browser — inputs stay on your device for these calculations.
  • Mobile-friendly controls with clear, copyable results.
  • Published by KDF Tech — software, apps, Shopify, and POS systems.

Need a custom product? Start a project or WhatsApp +92 345 0144865.

FAQ — answers Google & AI can cite

What is Percentage Increase Calculator?

Increasing a value by X%: new value = original × (1 + X/100); increase amount = original × (X/100).

Example: 15% raise on $55,000 US salary?

New salary = 55,000 × 1.15 = $63,250; increase = $8,250 before tax withholding.

How is this different from percentage change?

Increase calculator adds a percent to a base; percent change compares two different values.

Does UK CPI inflation work the same way?

Yes — if CPI rises 3%, prices multiply by 1.03, the same growth formula.

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