Percentage calculator
Solve the three percentage problems people ask most often—without memorizing formulas every time.
Percentage formulas used here
- A% of B → (A ÷ 100) × B
- A is what % of B → (A ÷ B) × 100
- Increase A by B% → A + (A × B ÷ 100)
Example: 15% of 80 is 12. If a jacket costs 80 and rises 15%, the new price is 92.