REED Pay Calculator
Estimate your weekly, monthly, and yearly gross/net pay based on hourly rate, hours worked, and common deductions.
This is an estimate tool and does not replace official payroll calculations.
If you work temporary contracts, agency shifts, or hourly assignments, a simple pay calculator can save you from guesswork. This REED pay calculator gives you a quick estimate of gross income, deductions, and take-home pay so you can plan your budget with confidence.
What this reed pay calculator does
This tool is designed for hourly workers who want a practical snapshot of earnings. It combines your base hours, overtime, and optional holiday pay, then applies tax and contribution percentages to estimate net pay.
- Gross pay from regular and overtime hours
- Holiday pay if your contract uses rolled-up holiday entitlement
- Deductions for tax, social insurance, and pension
- Net pay across weekly, monthly, and annual views
How to use it
1) Enter your hourly rate and hours
Start with the agreed hourly pay rate. Then add your regular weekly hours and any overtime hours. If overtime is paid at a premium, set the multiplier (for example, 1.5x or 2x).
2) Add deduction percentages
Input your estimated tax rate, social contributions, and pension percentage. If you do not know exact values, use recent payslips as a guide.
3) Decide whether to include holiday pay
Some temporary assignments include a rolled-up holiday element (commonly 12.07%). If this applies to you, keep the checkbox enabled. If your holiday pay is handled separately, switch it off.
Example calculation
Suppose you earn £15/hour, work 37.5 regular hours, and complete 5 overtime hours at 1.5x. With 20% tax, 12% social contributions, and 5% pension:
- Regular pay: 37.5 × £15 = £562.50
- Overtime pay: 5 × £15 × 1.5 = £112.50
- Base weekly gross = £675.00
- If holiday pay (12.07%) applies, gross increases accordingly
- Deductions are applied to gross pay to estimate take-home amount
This gives a quick planning number for rent, savings, and monthly obligations.
Why this matters for budgeting
Variable schedules can make income feel unpredictable. Running weekly scenarios helps you stay ahead. Try “best case” and “conservative case” estimates each week.
- Build a minimum-income baseline for essentials
- Use overtime as optional income, not guaranteed income
- Set a fixed savings percentage from each net paycheck
- Review the calculator every time your rate changes
Common mistakes to avoid
Ignoring overtime multipliers
If you enter overtime hours without the correct multiplier, you may underestimate gross pay.
Using outdated tax assumptions
Tax position can shift based on annual earnings and coding notices. Update your assumptions periodically.
Double counting holiday pay
If holiday pay is paid separately (not rolled up), do not include it in this weekly estimate.
Frequently asked questions
Is this calculator official?
No. It is an educational planning tool. Your payslip and payroll provider are the final authority.
Can I use this for monthly salary roles?
Yes, but it works best for hourly and variable schedules. For salaried roles, use your annual salary and divide by pay periods.
How accurate is the monthly figure?
Monthly values are annualized from weekly estimates using a 52-week year. Actual payroll month-to-month may differ slightly.
Final thoughts
A reliable pay estimate is one of the easiest wins in personal finance. Use this REED pay calculator before accepting shifts, planning overtime, or setting savings goals. A 60-second calculation can prevent a month of money stress.