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Explore 34 fast, verified, and client-side calculators for UK personal tax, business operations, property transactions, and health.

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💳 Finance & Tax Calculators

18 Tools
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Take-Home Pay Estimator

Calculate your net earnings after PAYE Income Tax, National Insurance, and pension deductions.

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UK VAT Calculator

Add or remove standard 20% and reduced 5% UK VAT from net and gross invoice amounts.

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Income Tax Calculator

View detailed UK & Scottish marginal tax bands, £100k allowance taper, and download PDF reports.

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Profit Margin Calculator

Calculate gross profit margin, net profit percentages, and commercial revenue markups.

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Freelancer Day Rate Calculator

Calculate your target day and hourly rate factoring in unpaid holidays, sick days, and expenses.

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Break-Even Calculator

Find the exact units and sales revenue required to cover fixed and variable overheads.

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Markup Calculator

Determine the optimal selling price for products from cost prices and markup percentages.

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ROI Calculator

Calculate percentage return and annualized yield on marketing campaigns and investments.

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UK Savings Goal Calculator

Forecast ISA growth, monthly deposit requirements, and compound interest returns.

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Salary to Hourly Calculator

Convert annual salaries into hourly, daily, weekly, and monthly rates across contracted hours.

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Dividend Tax Calculator

Estimate personal tax liabilities on company dividend extractions and £500 allowances.

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Discount Calculator

Quickly calculate final sale prices and total money saved from percentage discounts.

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Salary Sacrifice Calculator

Calculate your exact tax and National Insurance savings through pension salary sacrifice.

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Pro Rata Salary Calculator

Calculate exact part-time earnings, FTE equivalents, and statutory holiday entitlement.

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Pay Rise Calculator

Calculate how much extra take-home pay you actually keep after taxes on a salary increase.

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Salary Sacrifice Car Calculator

Compare EV lease savings, Benefit-in-Kind (BIK) tax, and net monthly salary impact.

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Pension Calculator

Forecast your total retirement pot and estimate annual drawdown income at retirement.

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Inheritance Tax Calculator

Estimate estate tax liability using UK nil-rate and residence nil-rate allowances.

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🏠 Property & Mortgage Calculators

6 Tools
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UK Stamp Duty Calculator (SDLT)

Calculate Land Tax in England & NI for first-time buyers, home movers, and buy-to-let properties.

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Wales Land Transaction Tax (LTT)

Calculate Welsh Revenue Authority tax bands for residential properties in Wales.

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Mortgage Affordability Calculator

Estimate maximum borrowing limits and monthly mortgage repayments from household income.

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Mortgage Overpayment Calculator

See how extra monthly payments cut mortgage terms and save thousands in interest.

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Rent Affordability Calculator

Determine safe rental budgets and reference checks based on gross household earnings.

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Rental Yield Calculator

Calculate gross and net annual rental yield percentages on buy-to-let properties.

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📊 Business & Freelance Tools

3 Tools
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Ecommerce Profit Calculator

Factor in platform fees, shipping, ad spend, and cost of goods to find true net product profit.

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Contractor vs Employee Calculator

Compare take-home pay, benefits, and tax between PAYE employment and contracting.

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IR35 Calculator

Calculate your net retention rate inside vs. outside IR35 deemed employment rules.

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❤️ Health & Fitness Calculators

7 Tools
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UK BMI Calculator

Check your Body Mass Index against official NHS health and weight categories.

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Sleep Calculator

Find optimal bedtimes and wake times based on natural 90-minute REM sleep cycles.

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UK Calorie Calculator

Calculate daily calorie targets for weight loss, maintenance, or muscle gain.

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TDEE Calculator

Calculate your Total Daily Energy Expenditure and Basal Metabolic Rate (BMR).

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Daily Water Intake Calculator

Estimate your ideal daily hydration needs based on body weight and activity levels.

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Blood Pressure Checker

Compare systolic and diastolic readings against official NHS blood pressure charts.

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Child Growth Chart Calculator

Track child height and weight against UK-WHO standard growth centile charts.

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