Dilution Ratio Calculator

Work out how much concentrate and water to mix for any dilution ratio.

How to use

  1. Enter your values in the fields above.
  2. Press Calculate to see your result instantly.
  3. Use the Share button to copy a link to your result.

About this calculator

This calculator splits a target total volume into concentrate and water for a chosen dilution ratio expressed as 1:N — one part concentrate to N parts water — solving concentrate = total/(N+1) and water = total − concentrate.

Cleaning staff, gardeners mixing fertilizer or pesticide, and bartenders or lab technicians preparing solutions use it to hit label-specified ratios accurately instead of eyeballing pours. Enter the total volume you want to make and the ratio to see exactly how much concentrate and water to combine.

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