Free calculator · no account needed
ISA contribution planning calculator
Compare planned contributions with the £20,000 ISA allowance.
Illustrative result
£7,000.00 of the allowance left
2026 to 2027
- Planned
- £13,000.00
- Allowance
- £20,000.00
- Remaining
- £7,000.00
Assumptions
- The allowance stored for 2026 to 2027 is £20,000. Lifetime ISA withdrawal charges are not calculated.
Questions
Is the allowance per account?
No. It is the total across your ISAs for the tax year.
Use this in your own plan
The result stays in your browser. Create an Aldoraun account if you want to keep a budget, accounts and a cashflow forecast.
Related calculators
Estimates only. Tax and repayment rules can change, and this is not financial, tax or pension advice.
Of the allowance left£7,000.00See breakdown