Formula
- Use the units shown beside each field.
- Results update automatically whenever you change an input.
- Displayed values use up to four decimal places, or scientific notation for very small or large numbers. Calculations use standard floating-point arithmetic; exact integer and fraction tools identify their own precision rules.
- Arithmetic of uniform cell suspensions with additive volumes; viability and cell loss are not modeled.
Example Calculation
- Stock concentration: 1000000 cells/mL
- Target concentration: 200000 cells/mL
- Final volume: 10 mL
Stock concentration = 1000000; Target concentration = 200000; Final volume = 10. Primary result: 2.
Frequently asked questions
How do I use this calculator?
Enter stock concentration, target concentration, final volume. The result updates automatically. Use Reset to restore the example values.
What method does it use?
stock volume=target ×final volume/stock concentration.. Arithmetic of uniform cell suspensions with additive volumes; viability and cell loss are not modeled.
Why might a rounded result differ?
The calculation keeps full numeric precision internally, then rounds the displayed result. Rounding intermediate steps by hand can produce a slightly different answer.
Are my inputs saved online?
No. This calculator processes your inputs in your browser. A recently used list stores only calculator names on this device, not your entered values.
Check the assumptions and units before using this result. Read about calculation methods.