Calculatrice de pourcentage
Percentages show up everywhere — tipping at restaurants, sale prices at the mall, grade calculations at school, interest rates at the bank. Our free percentage calculator solves all the common variants in one place: "what is X% of Y?", "X is what % of Y?", "X increased by Y%?", and the inverse questions. No more squinting at the iPhone calculator trying to remember which way the formula goes.
What is % of ?
is what % of ?
% change from to
Résultat
Direction
Formules de pourcentage
Combien fait X% de Y ?
Result = (X / 100) × Y
X représente quel % de Y ?
Result = (X / Y) × 100
Variation en % de X à Y
Result = ((Y − X) / |X|) × 100
À propos de Percentage Calculator
Percentages show up everywhere — tipping at restaurants, sale prices at the mall, grade calculations at school, interest rates at the bank. Our free percentage calculator solves all the common variants in one place: "what is X% of Y?", "X is what % of Y?", "X increased by Y%?", and the inverse questions. No more squinting at the iPhone calculator trying to remember which way the formula goes.
Comment l'utiliser
- Pick which calculation type you need from the tabs (% of a number, find the %, % change, increase/decrease).
- Enter the two known values.
- The answer updates instantly. Copy or use in your next calculation.
Formule et méthodologie
X% of Y = (X/100) × Y | X is what % of Y = (X/Y) × 100 | % change = ((New − Old)/Old) × 100
Cas d'usage courants
- Calculating tips, sales tax, or service charges
- Working out a discount percentage on a sale item
- Computing grade weights for a class
- Comparing percentage changes between two values
- Estimating commission on a sale
Questions fréquentes
Outils connexes
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