Insurance Calculators
Disability Insurance Calculator
Work out the monthly benefit you would need if illness or injury stopped your income, after existing cover.
Monthly benefit needed
$3,400.00
- Gap after existing cover
- $2,600.00
- Months your savings cover
- 4 months
- Income replaced
- 65.4%
IncomeExpensesExisting cover
How this calculator works
Benefit needed = essential expenses − existing cover; savings must bridge the waiting period
- waiting period
- the deferred period before a policy starts paying
Important considerations
- Benefits are usually capped at a percentage of pre-disability income.
- A longer waiting period lowers the premium but demands more savings.
Related calculators
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- Emergency Fund CalculatorEmergency fund target and time to build it.
- Term Life Insurance CalculatorEstimated premium for level term cover.
- Health Insurance Cost CalculatorTotal annual cost of a health plan.
- Human Life Value CalculatorPresent value of your future earnings.
- HSA Contribution CalculatorHSA balance and the tax it saves.
Learn more
Terms used here
Frequently asked questions
How long a waiting period should I choose?
Match it to the number of months your savings and sick pay can genuinely cover.
Disclaimer
Legamoney calculators are educational tools. Results are estimates based on the figures you enter and do not constitute financial, tax or legal advice.
Last reviewed 2026-08-01