Financial Calculator: Percent
Applorium Ltd
About this app
- Age 10
- Updated Nov 12, 2025
- OS IOS
Editor reviews
Financial Calculator: Percent is a fast, accurate percentage calculator for finance, business, and everyday budgeting. Solve percent of a number, percentage change, increase or decrease, profit margin and markup, discounts and sales tax, and convert interest rates like APR to effective annual rate or annualized returns. Designed for clarity and speed, it shows results instantly with formula breakdowns so you understand the math behind every answer. Ideal for students, freelancers, small businesses, and anyone needing a reliable percentage calculator.
Core features
- Percent essentials: percent of, percentage change, increase or decrease with step-by-step logic
- Business tools: margin and markup, discount and sales tax for quick pricing decisions
- Growth and rates: APR to EAR, monthly to annual rate, and CAGR for investment insights
Keywords: financial calculator, percentage calculator, margin calculator, discount calculator, interest rate converter, ROI, budgeting
Screenshots
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How to use:
1. Download and open the app, then select your preferred language and number format.
2. Optional: Sign in to save preferences across devices.
3. Choose a calculator type such as Percent of, Percentage Change, Margin/Markup, Discount/Tax, APR to EAR, or CAGR.
4. Enter your values and units; view instant results with a clear formula explanation and adjustable rounding.
5. Save frequent calculators to Favorites, copy or share results, and set default tax or markup rates in Settings for faster future use.