Percentage differential formula
Multiply the base rate by the differential percentage to find the hourly premium.
Example: a 10% differential on $20 per hour adds $2, making the shift rate $22 per hour.
Estimate night, evening or weekend shift pay. Enter a percentage or flat hourly premium, then compare your adjusted rate, overtime rate and gross earnings.
Use the overtime method shown by your pay policy or payroll statement.
40 hours at the selected shift rate and overtime method.
Multiply the base rate by the differential percentage to find the hourly premium.
Example: a 10% differential on $20 per hour adds $2, making the shift rate $22 per hour.
Add the fixed premium directly to the base hourly rate for each eligible shift hour.
Example: $20 per hour plus a $2 night premium produces the same $22 shift rate.
It is extra pay for working designated hours such as nights, evenings or weekends. An employer may offer a percentage of base pay or a fixed amount for each eligible hour.
Multiply the base hourly rate by 0.10, then add the result to the base rate. At $20 per hour, the premium is $2 and the adjusted night rate is $22.
Sometimes. Payroll rules, contracts and local laws differ. The calculator provides two common estimate methods; use the method required by your workplace and verify the result against official payroll guidance.
No. Results are gross estimates before taxes, benefits, deductions and payroll rounding. This tool is for comparison and planning, not legal, payroll or tax advice.