Profit Margin: Business Calc

11 business calculators in one app — margin, ROI, loans, compound interest, break-even, and more.

Profit Margin Calculator puts 11 essential business and finance tools in one clean, distraction-free app. Whether you're pricing a product, evaluating an investment, or planning a loan, every answer is one tap away.

CALCULATORS INCLUDED

• Margin & Markup — instantly see gross margin and markup percentage side by side so you never underprice again
• Profit — enter revenue and total costs to get net profit and profit margin in seconds
• Break-Even — find exactly how many units you need to sell to cover your fixed costs
• Discount — calculate the final sale price and total savings for any percentage off
• Sales Tax / VAT — supports both tax-exclusive (US sales tax) and tax-inclusive (EU VAT) modes
• Tip Splitter — split any bill among multiple diners with a custom tip percentage
• ROI — measure return on investment with optional annualized ROI for multi-year comparisons
• Compound Interest — project future value using the A = P(1 + r/n)^nt formula with adjustable compounding frequency
• Loan / EMI — calculate monthly payments, total repayment, and total interest for any loan
• CAGR — smooth out volatility to find the compound annual growth rate between two values
• Hourly Rate — convert an annual salary to hourly, daily, and monthly rates for any schedule

FEATURES

• Pin your most-used calculators to the top of the home screen
• Full calculation history with timestamps — review past results anytime
• Instant search across all 11 calculators
• Clean, readable results with expandable formula explanations
• Haptic feedback for a satisfying, responsive feel
• Supports Light and Dark mode

Profit Margin Calculator is built for entrepreneurs, freelancers, students, and anyone who wants quick, accurate financial answers without opening a spreadsheet.