Examples
Examples
Try the starting example
- Full-day allowance ($)
- 100
- Breakfast, lunch and dinner deductions as % of a full day
- 20,30,50
- Days: name, eligible day fraction 0–1, breakfast supplied yes/no, lunch yes/no, dinner yes/no
- D1,1,yes,yes,no D2,0.75,no,no,yes
- Meal deduction base: full-day or prorated
- full-day
- Illustrative allowance by day ($)
- D1: 50.00; D2: 25.00
- Total illustrative allowance ($)
- $75.00
- Total gross fraction-adjusted allowance ($)
- $175.00
- Total meal reduction after non-negative caps ($)
- $100.00
Try another scenario
- Full-day allowance ($)
- 100
- Breakfast, lunch and dinner deductions as % of a full day
- 20,30,50
- Days: name, eligible day fraction 0–1, breakfast supplied yes/no, lunch yes/no, dinner yes/no
- D1,1,yes,yes,no D2,0.75,no,no,yes
- Meal deduction base: full-day or prorated
- prorated
- Illustrative allowance by day ($)
- D1: 50.00; D2: 37.50
- Total illustrative allowance ($)
- $87.50
- Total gross fraction-adjusted allowance ($)
- $175.00
- Total meal reduction after non-negative caps ($)
- $87.50
Calculation method
Calculation method
Illustrative allowance by day ($)
Round full-day allowance×day fraction, subtract full-day or fraction-adjusted supplied-meal percentages, and cap each day at zero.
Total illustrative allowance ($)
Sum net day allowances.
Total gross fraction-adjusted allowance ($)
Sum rounded day-fraction allowances before meals.
Total meal reduction after non-negative caps ($)
Gross allowance−net allowance after caps.
Symbols and units
- a
- Full-day allowance ($)
- b
- Breakfast, lunch and dinner deductions as % of a full day
- c
- Days: name, eligible day fraction 0–1, breakfast supplied yes/no, lunch yes/no, dinner yes/no
- d
- Meal deduction base: full-day or prorated
Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.
Assumptions & limits
Assumptions & limits
- A supplied allowance and meal-deduction convention. It does not choose jurisdiction rates, establish tax-free status or decide travel eligibility.
Are these inputs private?
These calculations run in your browser. A shared link contains the values you choose to share. Only questions submitted to the separate AI finder are sent to OpenAI.
Further reading
US Department of Labor: pay/time recordkeeping background; actual rules vary ↗
Background reading; this does not imply endorsement or independent review of SumFizz.