Calculators

Project exponential capital growth with recurring contributions, compounding frequency, and real inflation drag.

Best for: Long-term index fund modelling and multi-decade wealth planning.

Calculate net-worth milestones and safe-withdrawal timelines to reach financial autonomy.

Best for: Pinpointing your early retirement date and required target portfolio.

Simulate avalanche versus snowball strategies to cut interest leakage across liabilities.

Best for: Choosing the fastest route to clear loans, cards, or a mortgage.

Gross and net yield, Section 24 tax, debt service, SDLT, and rate-stress cashflow.

Best for: Assessing a UK residential rental before you commit capital.

Quantify compounding friction from dividend and CGT in a GIA versus a tax-free ISA.

Best for: Decide portfolio location and the cost of leaving money unshielded.

Liquid capital required from fixed versus variable burn, dependants, and income volatility.

Best for: Calibrating cash for an employment gap or business downturn.

Overheads, tax, non-billable hours and time off folded into a minimum hourly rate.

Best for: Freelancers and consultants setting profitable client pricing.

Unit volume and revenue required to cover fixed costs and reach operating profit.

Best for: Stress-testing product economics before launching an offer.

Model salary versus dividend splits for a UK limited-company director under current bands.

Best for: Directors optimising take-home after corporation tax, NI and dividend tax.

Run a London paper empire: cash versus clean equity, heat versus yield, wages versus growth — the same trade-offs the engines quantify.

Best for: Practising capital allocation, leverage, and legitimacy under pressure.