How much should I add?
Select a cleaning concentrate and container size. Get the exact amount of product and water — in measurements you can actually use.
When to Use the Dilution Calculator
Making a Bleach Spray Bottle
The most common dilution question. Clorox bleach at 8.25% needs different ratios for disinfecting (1:32), sanitizing food surfaces (1:64), and treating mold (1:10). The calculator converts those ratios into tablespoons and cups.
Mixing Floor Cleaner
Pine-Sol, Fabuloso, and Mr. Clean are all concentrates with different recommended dilution ratios. Too much product leaves sticky residue on floors. Too little doesn't clean. The calculator gives you the exact amount for your mop bucket.
Following CDC Guidelines
CDC publishes specific bleach dilution ratios for different scenarios including surface disinfection and emergency water purification. The calculator includes these ratios with the official contact times and safety notes.
Reducing Waste and Fumes
Using more product than needed wastes money, damages surfaces, and creates unnecessary chemical fumes. Proper dilution is safer, cheaper, and equally effective — the manufacturer already calculated the optimal concentration.
Dilution Calculator FAQ
How much bleach do I add to a spray bottle?
For a standard 32 oz spray bottle with Clorox Regular Bleach (8.25%): use 1 oz (2 tablespoons) of bleach and fill the rest with water. This gives a 1:32 ratio suitable for surface disinfecting. Let the solution sit on the surface for 5 minutes before wiping.
Can I make bleach solution ahead of time?
Diluted bleach loses effectiveness within 24 hours. Make a fresh solution each day you need it. Store undiluted bleach in its original container, away from heat and sunlight, and never in a metal container.
Why do different tasks need different dilution ratios?
Disinfecting requires a higher concentration than general cleaning because killing pathogens needs more contact with the active ingredient. Sanitizing food-prep surfaces uses an even lower concentration because the solution must be safe for incidental food contact. The CDC publishes specific ratios for each use case.
What if I use more product than recommended?
More product does not mean more cleaning power. Excess concentration can leave residue, damage surfaces (especially with bleach and acids), waste product, and produce stronger fumes. Follow the recommended ratio for the task.
Can I dilute any cleaning product with water?
Only dilute products that are sold as concentrates or where the label specifies dilution ratios. Ready-to-use (RTU) products like Windex, Lysol spray, and Clorox wipes are already at the correct concentration. Adding water to RTU products reduces their effectiveness.