Dilution
Fill in any fields — the empty ones are calculated, so it works in every direction.
Formula
C₁V₁ = C₂V₂
Worked example
Given: Initial concentration C₁ = 96 %; Final concentration C₂ = 70 %; Final volume V₂ = 500 mL
Result: Initial volume V₁ = 364.58 mL
How it is calculated
1. Enter the values you know. 2. The calculator converts them to base units and applies the formula. 3. The result is shown in the unit you choose.
Frequently asked questions
How do I calculate it?
Formula: C₁V₁ = C₂V₂. Given: Initial concentration C₁ = 96 %; Final concentration C₂ = 70 %; Final volume V₂ = 500 mL. Result: Initial volume V₁ = 364.58 mL.
Is the calculator free and private?
Yes. It is free, needs no sign-up and runs in your browser — the numbers you type stay on your device.