Business & Sales Tools

Free online business calculators — discount and sale price, VAT, profit margin, break-even and more. Instant results, no sign-up, all client-side.

2 tools

Discount Calculator

Calculate final sale price, saving, and effective rate for single or stacked discounts. Step-by-step breakdown, currency selector, copy summary.

Also in Business & Sales

Tools from other categories tagged with Business & Sales

% Calculator

Calculate percentages, percentage increase and decrease, and what percent one number is of another. Instant answers for discounts and grades.

Why These Tools

Discount & Sale Price Calculator opens this category because discounting is where retail arithmetic most often goes wrong. Marking a product down 40% and then offering an extra 10% off does not produce a 50% reduction — the second discount applies to the already-reduced price, and the final saving is 46%. The tool makes that gap visible by computing original price, discount amount, final price and effective combined percentage simultaneously, so no one hands a customer the wrong figure at the register. Percentage Calculator sits alongside it here from the Math & Calc category, covering the inverse direction: given a part and a whole, what percent is one of the other, and what does a given percentage increase or decrease actually produce. Both tools run entirely in the browser with nothing uploaded.