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Understand vinegar dilution math
Acetic acid content is usually shown as a percentage by volume. During dilution, the amount of acetic acid remains constant while total volume increases.
Step-by-step dilution procedure
- Measure source strength (C1) and target strength (C2)
- Choose whether you know source volume (V1) or final volume (V2)
- Apply V2 = V1 × C1 ÷ C2 and compute water to add as V2 − V1
- Mix thoroughly and label the diluted batch
The calculator reports water volume to add, final batch size, dilution ratio, and absolute acetic acid content.
Common vinegar strengths and uses
| Strength | Typical use | Notes |
|---|---|---|
| 5% (household) | Cooking, pickling, everyday cleaning | Baseline for many food-safety recipes. |
| 10% | Heavy-duty cleaning, weed control | Often diluted before indoor use to protect surfaces. |
| 25–30% | Commercial descaling, laboratory use | Wear gloves and eye protection; dilute before household use. |
Frequently asked questions
How do I dilute 30% vinegar to 5%?
Set source 30%, target 5%, and enter the final volume. The tool shows concentrate and water amounts.
Can I increase vinegar acidity with this tool?
No. The calculator handles dilution only, not concentration.
What units can I use?
Liters, milliliters, US cups, and US gallons.
Does dilution change total acetic acid?
No. Dilution adds water; total acetic acid remains constant.
Is diluted vinegar safe for cleaning and food use?
Household cleaning often uses 4–6% acidity, while pickling commonly requires at least 5%.
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