How to use this calculator
- Enter full-period salary, eligible units worked, full-period eligible units.
- Choose a display currency, then select Calculate. Results also update after a brief pause while you edit.
- Read the result with the assumptions below. Export details or save a second scenario to compare your choices.
Formula and method
Assumptions and limitations
Choose calendar days, working days or hours according to the applicable agreement; statutory payroll deductions are excluded.
Worked example
With full-period salary = 3000, eligible units worked = 15, full-period eligible units = 30, prorated gross salary is approximately 1500.
What the result means
Calculate a contractual partial-period salary using a chosen day or hour basis.
Common questions
How should I interpret prorated gross salary?
Calculate a contractual partial-period salary using a chosen day or hour basis.
What should I check before using this result?
Choose calendar days, working days or hours according to the applicable agreement; statutory payroll deductions are excluded.
Methodology and transparency
Calculation specification reviewed on 2026-10-14. Mathematical implementation is tested against independent reference fixtures. This does not imply review by a licensed financial professional. Read the testing and precision policy.