Percentage Calculator

AtomnyX

In-app purchases

About this app

A clean, focused percentage calculator for everyday life. Five dedicated calculation modes in one minimal app, with instant results and a distraction-free design.

Whether you're splitting a bill, calculating a discount, or tracking a price change, AtomnyX Percentage Calculator handles it all with 5 dedicated modes in one app.

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📐 5 CALCULATION MODES
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① Percentage of Number
What is X% of a number?
→ Example: What is 20% of 250? = 50

② What Percent Is It?
X is what percent of Y?
→ Example: 15 is what % of 60? = 25%

③ Percentage Change
What is the % increase or decrease between two values?
→ Example: Price went from 80 to 100 = ▲ 25% increase

④ Increase by Percentage
Increase a number by X%.
→ Example: 200 increased by 15% = 230

⑤ Decrease by Percentage
Decrease a number by X%.
→ Example: 200 decreased by 15% = 170

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✨ WHY ATOMNYX CALCULATOR?
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✅ 5 calculation modes in one focused app
✅ Dark design — easy on the eyes
✅ Instant results — no loading, no lag
✅ Clear, helpful error messages
✅ Works fully offline — no internet required
✅ No subscriptions, no limits, no paywalls

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🌐 ABOUT ATOMNYX
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AtomnyX is a modern tech media platform covering AI, science, and technology news. This calculator is one of our utility tools, built with the same focus on speed, clarity, and thoughtful design that drives everything we make.

Visit atomnyx.com for more utility tools, AI news, and tech coverage.

What’s new

Compliance update: targets Android 16 (API 36).