Shift Differential Calculator
Calculate Shift Premium, Night Shift Pay, and Overtime
Use this quick calculator to estimate base pay, shift differential pay, and overtime for night shifts, weekend shifts, 12-hour shifts, and other premium-rate work.
Your estimate
Assumes overtime is calculated from base rate plus the shift differential. Check your employer policy and local rules.
Shift Differential Calculator Questions
Use this calculator for planning, then compare the estimate against your actual paycheck and employer rules.
How do I calculate shift differential pay?
Add your shift differential or premium to your base hourly rate, then multiply by the hours that receive the premium. For overtime, check whether your employer calculates overtime from the base rate or from the rate including the differential.
Is shift differential the same as overtime?
No. Shift differential is extra pay for certain shifts, such as nights, weekends, or harder-to-fill hours. Overtime is extra pay after a daily or weekly threshold. A shift can have both.
Can Shift Log+ track shift premiums automatically?
This website calculator gives a quick estimate. Shift Log+ is built for saved job rules, overtime settings, pay periods, multiple jobs, and ongoing shift history.
What Counts as Shift Premium Pay?
Employers use different names and rules, but the idea is usually the same: certain hours get extra pay on top of the base hourly rate.
Night Shift Differential
Extra hourly pay for evening, overnight, or graveyard shifts. Common in healthcare, security, warehouses, and 24-hour operations.
Weekend Premium
Extra pay for Saturday, Sunday, holiday, or hard-to-fill shifts, depending on employer policy or contract terms.
12-Hour Shift Pay
Long shifts may include regular time, premium hours, overtime, double time, or a combination of pay tiers.
Overtime With Differential
Some overtime calculations may use a rate that includes the differential. Check the rules that apply to your job before relying on an estimate.
Shift Premiums Are Easy to Forget
A small differential can add up fast across a full pay period. A $2.50 night premium over 40 hours is $100 before any overtime effect.
The website calculator helps with quick math. Shift Log+ is for the real workflow: save the job, track the shift, keep the pay period, and compare the result before payday.
Related Calculators
Use these quick tools for more work-hour and paycheck estimates.
Track Shift Premiums Beyond the Calculator
45-day free trial. No credit card required. Works offline.
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