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Financial Calculators Built for Clarity and Accuracy

Skip the complicated spreadsheets. Project your investment growth, plan your budget, and build a solid financial plan with our free, private online tools.

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Our Complete Toolkit

Select a calculator to model your specific financial scenario.

Compound Interest

Model long-term wealth accumulation and investment growth over decades.

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Mortgage Calculator

Calculate your true monthly housing payment including PITI and view amortization.

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UK Salary Calculator

Calculate UK take-home pay after tax, NI, pensions, and student loans.

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Pensions Calculator

Project your retirement pot value and estimated annual income.

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Budget Planner

Manage your monthly income and expenses with the zero-based budgeting method.

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Self-Employed Tax

Estimate sole trader income tax and National Insurance liabilities.

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Debt Snowball

Plan your debt-free timeline using the highly effective snowball strategy.

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Savings Goal

Find out exactly how much to save monthly to hit a specific financial target.

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Learn the Strategy Behind the Numbers

Every calculator is backed by a plain-English guide — covering salary, tax, pensions, savings, debt and mortgages so you can make confident, informed decisions.

Browse the Financial Library