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Vinegar Dilution Calculator

Dilute concentrated vinegar to kitchen-safe strengths. Enter source and target acidity, choose the known volume, and instantly get the water to add along with dilution ratios.

C₁V₁ = C₂V₂Supports multiple volume unitsReports acetic acid content

Set your vinegar strengths and volume

Acetic acid content

Source vinegar strength (before dilution)

Target strength after dilution

Volume

I know the concentrate volume

Enter how much strong vinegar you have before dilution.

I know the final batch size

Enter the desired amount of diluted vinegar after adding water.

Desired final volume

Target strength must be lower than the source vinegar to dilute it with water.

Results

Summary

Combine 2.40 L of 25.00% vinegar with 7.60 L of water to make 10.00 L at 6.00% acidity.

Vinegar needed: 2.40 L
Water to add: 7.60 L
Final batch size: 10.00 L
Dilution ratio (vinegar : water): 1 : 3.17
Pure acetic acid volume: 600.0 mL
Acetic acid mass: 629.4 g

Worked example

Example: a homesteader has 25% vinegar concentrate and wants 10 liters of 6% vinegar for pickling. C₁ = 25%, C₂ = 6%, and V₂ = 10 L. Solving C₁V₁ = C₂V₂ gives V₁ = V₂ × C₂ ÷ C₁ = 10 × 6 ÷ 25 = 2.4 L. The water required is 10 − 2.4 = 7.6 L.

The acetic acid present is V₁ × C₁ = 2.4 × 25% = 0.6 L (≈ 600 mL). After dilution that same amount of acid is distributed across the 10 L batch, producing 6% acidity. The ratio is therefore 1 part concentrate to 3.17 parts water.

Tip: if the result shows more than 3% acid for household cleaning, consider diluting a bit further or wearing gloves. Always label your container with the final acidity.

Rapid scenario switching

Toggle between knowing the starting concentrate volume or the desired final batch size. The calculator automatically rearranges the dilution equation and keeps the acetic acid constant.

Unit-aware conversions

Switch among liters, milliliters, cups, or gallons. Existing inputs are converted so you can match the measuring tools on your counter without retyping values.

Safety insights

Keep an eye on the acetic acid mass to understand how strong a solution remains. The numbers help with labeling, regulatory compliance, and ensuring recipes stay within safe acidity ranges.

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%.