MixByParts
Detailing / Dilution calculator

1:20 in 3 liters

Product : Water · Ratio by volume

Your mix

Preset

1 part product + 20 parts water = 21 parts in total.

Change size or ratio

Includes product + water. Changing units converts the same total.

Ratio by volume

Enter the product : water ratio from your instructions.

Water already measured? Use ingredient calculator →
Precision & gram targets

Grams = volume × entered density. The ratio stays by volume.

Amounts update as you type.

3 L final mixture

Includes both product and water.

ProductBy volume
143mL
WaterBy volume
2,857mL

Rounded to 1 mL. Displayed total: 3,000 mL.

Add 143 mL Product and 2,857 mL Water to make 3 L.

Check that your product instructions use this product : water ratio by volume. Follow their mixing order. This calculator scales the entered ratio.

What does this ratio mean?

1 parts product plus 20 parts water makes 21 total parts. Product = final mixture × product parts ÷ total parts; water = final mixture × water parts ÷ total parts.

The final mixture is the combined amount, rather than the water amount to start with. Volumes are treated as additive. Displayed amounts are rounded together to the displayed total.

Other bottle sizes · 1:20

250 mL500 mL750 mL
Other ratios & sizes

More presets based on 1:20 and 3 liters. Ratios are mathematical presets; check your product instructions.

16 oz24 oz32 oz1 gallon1 liter5 liters15 liters
1:41:51:101:161:321:501:641:801:1001:1281:1501:2001:256
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How to mix 1:20 in 3 liters

  1. Confirm that the exact product instructions specify the current product:water ratio shown in the calculator by volume.
  2. Measure the component amounts shown in the calculator. The final mixture includes both product and water.
  3. Combine only the named components in the order required by the product instructions. Do not add unlisted liquid.