ISA Growth Calculator

Visualize the power of tax-free compound interest over time.

Projected Total Value

£32,703

Total Invested

£25,000

Total Growth

+£7,703

Potential Tax Saved (vs GIA)

£1,541

Assuming returns would otherwise be fully taxable at your selected band.

Investment Trajectory

Value
Invested
£0k£8k£16k£25k£33kYear 0Year 5Year 10

Disclaimer: This calculator is for illustrative purposes only. Actual returns vary. Tax rules (including ISA limits of £20,000 for 2024/25) are subject to change. Inflation is not factored into these figures.

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RegisteredAuthorised Corporate Service Provider
TD
TAXDOME
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ACCA
AccreditedChartered Certified Accountants
HMRC
Registered AgentHM Revenue & Customs
xero
Silver
Partner
CertifiedCloud Accounting Experts
Companies House
RegisteredCompanies House
ACSP
RegisteredAuthorised Corporate Service Provider
TD
TAXDOME
PartnerPractice Management
ACCA
AccreditedChartered Certified Accountants
HMRC
Registered AgentHM Revenue & Customs
xero
Silver
Partner
CertifiedCloud Accounting Experts
Companies House
RegisteredCompanies House
ACSP
RegisteredAuthorised Corporate Service Provider
TD
TAXDOME
PartnerPractice Management
ACCA
AccreditedChartered Certified Accountants
HMRC
Registered AgentHM Revenue & Customs
xero
Silver
Partner
CertifiedCloud Accounting Experts
Companies House
RegisteredCompanies House
ACSP
RegisteredAuthorised Corporate Service Provider
TD
TAXDOME
PartnerPractice Management
ACCA
AccreditedChartered Certified Accountants
HMRC
Registered AgentHM Revenue & Customs
xero
Silver
Partner
CertifiedCloud Accounting Experts
Companies House
RegisteredCompanies House
ACSP
RegisteredAuthorised Corporate Service Provider
TD
TAXDOME
PartnerPractice Management