Mixing Ratio Calculator

Your details

Choose whether you know the ratio and total (forward), the individual amounts (reverse), or want to compute humidity mixing ratio.
The A part of the A:B ratio. For a 1:4 mix enter 1.
The B part of the A:B ratio. For a 1:4 mix enter 4.
The total amount of mixture you want to prepare.
Amount of A
200mL

Volume or mass of component A needed

Amount of B800mL
Component A percentage0.2%
Component B percentage0.8%
Simplified ratio (A:B)1:4

Simplified ratio is 1:4. Component B makes up 80.0 % of the mixture.

  • You need 200.00 mL of A and 800.00 mL of B.
  • A accounts for 20.0 % and B for 80.0 % of the total.
  • Always measure by the same units (volume or mass) throughout the mix to maintain the correct ratio.

Next stepTo scale the recipe up or down, keep the same ratio and just change the total quantity. The percentages stay identical.

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