Examples
Examples
Try the starting example
- Entered eligible period earnings ($)
- 1000
- Lower earnings offset ($)
- 200
- Upper earnings ceiling ($)
- 800
- Employee contribution rate (%)
- 5
- Employer contribution rate (%)
- 3
- Remaining employee contribution cap for this model ($)
- 20
- Earnings in entered contribution band ($)
- $600.00
- Employee contribution after entered cap ($)
- $20.00
- Employer contribution on band ($)
- $18.00
- Combined model contribution ($)
- $38.00
Try another scenario
- Entered eligible period earnings ($)
- 1000
- Lower earnings offset ($)
- 200
- Upper earnings ceiling ($)
- 800
- Employee contribution rate (%)
- 5
- Employer contribution rate (%)
- 3
- Remaining employee contribution cap for this model ($)
- 100
- Earnings in entered contribution band ($)
- $600.00
- Employee contribution after entered cap ($)
- $30.00
- Employer contribution on band ($)
- $18.00
- Combined model contribution ($)
- $48.00
Calculation method
Calculation method
Earnings in entered contribution band ($)
max(0,min(earnings,upper ceiling)−lower offset).
Employee contribution after entered cap ($)
Round band×employee rate; limit to supplied remaining employee cap.
Employer contribution on band ($)
Round band×employer rate, independently of the employee cap.
Combined model contribution ($)
Add employee and employer components.
Symbols and units
- a
- Entered eligible period earnings ($)
- b
- Lower earnings offset ($)
- c
- Upper earnings ceiling ($)
- d
- Employee contribution rate (%)
- e
- Employer contribution rate (%)
- f
- Remaining employee contribution cap for this model ($)
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 user-defined earnings band, contribution rates and employee cap. It does not infer pension scheme rules, tax relief, contribution eligibility or statutory thresholds.
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.