Pensions Calculators
Plan for the long term with calculators built around UK pension, ISA and investment rules.

Pensions Calculators (10)
Compound Interest Calculator
Project investment growth over years and decades.
Most usedISA vs GIA Comparison
How much tax does an ISA actually save?
Capital Gains Tax (Assets)
CGT on shares and other assets above the allowance.
Dividend Tax Calculator
Tax on dividends beyond the allowance.
Workplace Pension Calculator
Employer + employee auto-enrolment contributions.
Most usedPension Tax Relief Calculator
How much tax relief you actually get back.
State Pension Age Lookup
When can you claim your State Pension?
Most usedInflation Impact Calculator
What your savings are really worth in 10 years.
FIRE Calculator
When could you retire early? Uses the 4% rule.
Premium Bonds Return
Expected vs guaranteed savings returns.
Accurate & Reliable
All calculations use official UK data and trusted sources.
Fast & Easy
Get answers in seconds with simple and intuitive tools.
Private & Secure
We don't store your personal information — ever.
Built for Real Life
Designed for students, workers, families and homeowners.
Planning for the long term
The State Pension covers the basics; the rest is up to you and your employer. ISAs shelter growth from tax, while general accounts don’t. These tools help you forecast both — and decide how much to put away.
We update these calculators each tax year to match HMRC’s latest allowances, ISA limits and the State Pension uplift.