Blood Donation Due Date Calculator

Free calculate next eligible blood donation date. Get instant, accurate results with our easy-to-use calculator.

Donation Information

Results

Enter donation information to calculate next eligible date

About Donation Intervals

  • • Whole Blood: 56 days (8 weeks)
  • • Platelets: 7 days (1 week)
  • • Plasma: 28 days (4 weeks)
  • • Double Red Cells: 112 days (16 weeks)
  • • Intervals may vary by location and regulations