Dilution Ratio Calculator
The Dilution Ratio Calculator determines how much concentrate and water (or solvent) to mix for a desired dilution. Enter a ratio like 1:10 and total volume to get exact measurements — ideal for cleaning products, chemicals, fertilizers, and lab solutions.
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What is a Dilution Ratio?
A dilution ratio specifies how much concentrate to mix with a diluent (usually water). A 1:10 dilution ratio means 1 part concentrate to 10 parts water, creating 11 total parts. In chemistry, dilution follows the formula C₁V₁ = C₂V₂ to maintain the same amount of solute.
Dilution ratios are critical in cleaning (1:32 for floor cleaner), agriculture (1:100 for pesticide spray), medical labs (serial dilutions for blood tests), photography (1:4 for developer solutions), and food service (concentrated syrups and juices).
Formules et Équations utilisées
Ce calculateur s'appuie sur 5 équations fondamentales :
1 Concentrate Amount ▼
For 1:10 dilution of 1 liter total: Concentrate = 1000ml / (10+1) = 90.9 ml.
2 Water Amount ▼
For 1 liter at 1:10: Water = 1000 - 90.9 = 909.1 ml.
3 Serial Dilution ▼
Starting at 1M with three 1:10 dilutions: Final = 1 × (1/10)³ = 0.001 M.
Comment utiliser ce calculateur
Pour utiliser ce Calculateur de Ratio, suivez ces 3 étapes :
Saisir les Valeurs
Saisissez les valeurs de ratio connues dans les champs. Laissez un champ vide — c'est la valeur manquante que le calculateur va chercher à résoudre.
Choisir le Mode
Sélectionnez le mode de ratio — Résoudre, Simplifier ou Mettre à l'échelle. Chaque mode applique des formules différentes à vos valeurs.
Obtenir les Résultats
Cliquez sur Calculer. L'écran de résultats affiche la réponse avec une barre de ratio interactive, un diagramme circulaire et le détail des calculs.
Exemples Pratiques et Solutions Étape par Étape
Voici 3 exemples de calculs résolus avec les étapes détaillées grâce à ce calculateur :
Saisie 1 Mix 1:20 dilution of cleaner for 5 liters
Saisie 2 1:4 developer solution for 500ml total
Saisie 3 Serial dilution: 3 steps of 1:10 from 0.5M
Foire Aux Questions
What does a 1:10 dilution ratio mean? ▼
A 1:10 ratio means 1 part concentrate mixed with 10 parts water, giving 11 total parts. To make 1 liter: use 90.9 ml concentrate and 909.1 ml water.
How do I convert dilution ratio to percentage? ▼
Divide 1 by the total parts and multiply by 100. A 1:20 dilution = 1/21 × 100 = 4.76% concentrate. A 1:4 dilution = 1/5 × 100 = 20% concentrate.
What is the difference between 1:10 and 1/10 dilution? ▼
In many contexts, 1:10 means 1 part to 10 parts (11 total). But in scientific notation, a 1/10 dilution means 1 part in 10 total parts. Always clarify whether the ratio is part:part or part:total.
How do I dilute concentrated bleach for disinfecting? ▼
The CDC recommends 1:48 (1 tablespoon per quart) for general disinfection with regular 5.25% bleach. For heavy contamination, use 1:10. Always check the bleach concentration label.
What is a serial dilution? ▼
A serial dilution performs multiple dilution steps sequentially. Each step dilutes by the same factor. Three 1:10 dilutions create a total 1:1000 dilution. This technique is used in microbiology to count bacteria and in medicine for antibody titers.