Mixing Calculator

Calculate volumes for mixing solutions by weight ratio

Stock Solutions

Concentration Unit:
A
mg/mL
B
mg/mL
C
mg/mL

Mass Ratios

Set 1
:
:

Results

Total Volume:
Ratio (A:B:C) Total A (μL) B (μL) C (μL)
Enter concentrations and ratios to see results
How is this calculated?

Given mass ratio ri and stock concentration Ci (mg/mL):

  1. Calculate relative volume: xi = ri / Ci
  2. Normalize to get fraction: fi = xi / Σx
  3. Scale to total volume: Vi = fi × Vtotal

mM to mg/mL conversion: C(mg/mL) = C(mM) × MW(g/mol) / 1000