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PTO Calculator

PTO calculation illustration

Enter your employment details to calculate PTO balance

Track paid time off accruals effortlessly. Calculate PTO balance based on employment duration, company policy, and usage with visual projections.

PTO Calculator Documentation

What is PTO Calculator?

A digital tool that automates paid time off calculations for employees and HR professionals. It eliminates manual tracking errors by:

  • Accurating accruing PTO based on company policies
  • Deducting used time off automatically
  • Projecting future balances with visual charts

Key Formulas

Basic Accrual Formula

Accrued PTO = (Annual PTO Days ÷ 12) × Months Employed
Current Balance = (Accrued PTO + Carryover) - PTO Used

Tiered Accrual Example (for seniority-based policies)

if employmentYears < 1:
    monthlyRate = AnnualPTO × 0.75 ÷ 12
    
if employmentYears >=5: 
    monthlyRate = AnnualPTO × 1.25 ÷ 12

How to Use

  1. Enter Employment Details
    Start date and calculation date (defaults to today)

  2. Select Policy
    Choose from preset accrual rates or create custom policy

  3. Input Usage Data
    Enter carried-over days and used PTO

  4. View Results

    • Current balance breakdown
    • 6-month projection chart
    • Visual usage statistics

Terminology

TermDefinition
Accrual RatePTO days earned per time period (month/year)
CarryoverUnused PTO from previous year
PTO BankTotal available paid time off
Blackout DatesRestricted periods when PTO can’t be used

Formula Sources

  1. Fair Labor Standards Act (FLSA) - US federal guidelines on PTO tracking
  2. SHRM Standards - Society for Human Resource Management best practices
  3. State-specific Regulations - e.g., California’s “use-it-or-lose-it” rules

FAQs

Q: How does the calculator handle partial months?
A: It prorates based on calendar days (e.g., 15 days worked = 0.5 month credit)

Q: Can I customize accrual policies?
A: Yes - modify the ptoPolicies array in code to match your company tiers

Q: Why do projections show decimals?
A: Precise calculations account for partial days (e.g., 8-hour increments)

Important Notes

⚠️ Legal Compliance

  • Verify with local labor laws before implementation
  • Document all policy assumptions in employee handbooks

⚠️ Technical Considerations

  • Always validate date formats (MM/DD/YYYY)
  • Round final balances to nearest 0.5 day for payroll
  • Test edge cases (new hires, termination dates)

⚠️ Best Practices

  • Recalculate after each PTO request
  • Archive yearly reports for auditing
  • Include tooltip explanations for all fields
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