Dilution Calculator
Solve C1V1 = C2V2 to find how much stock solution you need.
Quick answer: Dilution Calculator: Solve C1V1 = C2V2 to find how much stock solution you need. Everything runs in your browser, so nothing you enter is uploaded or stored.
How to use Dilution Calculator
- Enter your values in the fields.
- The results update instantly as you type.
- Note or copy the numbers you need.
Features
- Instant results
- Free, no signup
- Runs in your browser, nothing is uploaded
- Works on phone and desktop
Formula
C1V1 = C2V2, so V1 = C2 x V2 / C1.
Worked example
To make 500 mL of 1 M from 10 M stock, use 50 mL stock and 450 mL solvent.
Frequently asked questions
What is the dilution equation?
C1 x V1 = C2 x V2.
How much solvent do I add?
Final volume minus the stock volume.
Is the Dilution Calculator free?
Yes. It is free, needs no signup and works on any device.