Compute sale price, savings, and optional tax from a discount %.
Applied to the discounted price.
Enter an original price and discount percentage to calculate savings.
Enter an original price and discount percentage to see savings and the final amount. Optionally include sales tax on the discounted price.
Tax is applied to the discounted price (common retail pattern).
Yes. Enter numbers in any currency — the math is unit-agnostic.
Calculate percentages, reverse percentages, and percent change.
Calculators
Calculate exact age in years, months, and days from a birth date.
Calculators
Find the difference between two dates in days, weeks, and more.
Calculators
Add sales tax to a pre-tax amount and see tax plus total due.
Business Tools
Split the bill with tip percentage and per-person totals instantly.
Business Tools
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text in your browser.
Developer Tools
