About this tool

calculatricepourcentage.com is a free collection of percentage calculators in French. The homepage combines six: percent of a number, share of a total, percentage change, adding, removing, and finding the original value. Dedicated tools cover VAT (excl./incl. tax), discounts, successive increases, margin and markup rates, multipliers, fractions and slope in degrees. Every result shows the formula used, and calculations run in the browser. The site also offers an Excel guide and 60 corrected exercises from CM2 to seconde, with printable PDFs. Free, no signup.