×
How to Use This Calculator
Input Modes:
- Cell counts: Enter initial and final cell counts in cells/mL, cells/dish, or ×10⁶ cells
- Confluency: Enter initial and final confluency percentages (20-80% range)
Time Entry:
- Elapsed Time: Enter the time duration in hours, minutes, or days
- Date-Time Pickers: Select start (T₁) and end (T₂) date-times
Formulas:
- Td = T × ln(2) / ln(N₂ / N₁)
- μ = ln(N₂ / N₁) / T
- Doublings = ln(N₂/N₁) / ln(2)
Keyboard Navigation: Use Tab to navigate, Enter to activate buttons, Space to toggle switches.