Time-to-Fill Calculator with Attrition | Fountain — Plan Your Hiring Pipeline

Your Hiring Parameters

Enter your workforce numbers and the time each stage of your process takes

Workforce & Demand

• Net new positions to fill

• Current workforce size

• Monthly attrition rate (%)

  • % of workforce that leaves each month

• Hiring timeframe (days)

  • Attrition will add ~20 replacement hires over 60 days → 40 total

Pipeline Stage Durations (days)

• Job posting: days
• Application review: days
• Manager interview: days
• Background check: days
• Offer acceptance: days
• Onboarding: days

Total: 28 days per hire

Your Hiring Pipeline at a Glance

Total Hiring Target

• Net new positions: 20
• Planned headcount growth
• Attrition replacements: 20
• Over 60-day window
• Combined target: 40
• Total hires needed

Pipeline Required

• Applicants needed at top: 104
  • To hit your hiring target
• Applicants needed: 104
  • Pass application review (75%): 78
  • Pass manager interview (60%): 47
  • Pass background check (90%): 42
  • Accept offer (95%): 40

Time to Fill Per Hire

• Stage total: 28 days
  • Job posting: 3d
  • Application review: 7d
  • Manager interview: 5d
  • Background check: 5d
  • Offer acceptance: 3d
  • Onboarding: 5d

Average Time-to-Fill Per Hire: 28 days
104 applicants needed · 40 total hires · over 60-day window

Attrition Is a Hidden Multiplier

"Most teams budget for net new hires and forget that attrition keeps running the whole time. By the time you account for replacements, the real hiring target is often 2× what leadership approved."