Chemistry
Percent Solution Calculator
Calculate w/v, w/w or v/v percentage strength, and the solute needed to hit a target strength.
Your inputs
Change any value to update the result instantly.
Solution strength
0.9 % w/v
Basis in words
0.9 g of solute in every 100 mL of solution
Solute measured (g)
9 g
Solution prepared (mL)
1,000 mL
Solute needed for 0.9%
9 g
Percentage strength always refers to the finished solution, never to the solvent alone. Keep the basis consistent when you quote the result.
What this calculator does
Calculates w/v, w/w or v/v percentage strength and the solute needed to reach a target strength.
What your result means
The percentage states how much solute sits in every 100 units of finished solution on the basis you selected.
Formula and working
% = (amount of solute ÷ amount of solution) × 100
- 1
Collect the inputs
Percentage basis = 1; Amount of solute = 9; Amount of solution = 1,000; Target strength for the last line = 0.9 %
- 2
Apply the formula
% = (amount of solute ÷ amount of solution) × 100
- 3
Result
Solution strength = 0.9 % w/v
Frequently asked questions
Symbols and assumptions
- % w/v
- g solute per 100 mL solution
- % w/w
- g solute per 100 g solution
- % v/v
- mL solute per 100 mL solution
- • The amount of solution is the finished volume or mass, not the solvent alone.
Sources and review
Reviewed 2026-09-22 · Next review 2027-09-22
- • The three bases are not interchangeable; converting between them needs densities.
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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