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Simple, fast tools that help you understand your money, your work, and your options.
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UK Tools
UK Calculators
Find out exactly what statutory redundancy pay you're entitled to under UK law.
Work & MoneySee your actual take-home pay after income tax and National Insurance. 2025/26 rates.
Work & MoneyCalculate stamp duty on your property purchase instantly. England & Northern Ireland.
PropertyCheck if a rental property is within your budget using the standard 2.5x salary rule.
PropertyCalculate monthly repayments, total interest and total cost for any UK mortgage.
PropertyAdd or remove 20% UK VAT from any amount instantly. For businesses and freelancers.
BusinessWork out your real annual income based on your day rate and actual working days.
BusinessSee how savings grow over time. Compare monthly contributions vs a lump sum.
SavingsWork out monthly repayments and total interest on any personal or business loan.
MoneyUS Tools
US Calculators
Net pay after federal tax, Social Security, Medicare and state income tax. All 50 states.
Work & MoneyCalculate sales tax for all 50 states. See tax amount and total price instantly.
MoneyCalculate tip amount and split the bill between any number of people.
GeneralGeneral Tools
Everyday Calculators
Calculate your Body Mass Index in metric or imperial. Instant result with health category.
HealthFind your exact age in years, months and days. Counts down to your next birthday.
GeneralCalculate the exact number of days, weeks and months between any two dates.
GeneralWork out percentages, increases, decreases and what percentage one number is of another.
GeneralLive exchange rates for GBP, USD, EUR and 30+ currencies. Updated daily.
Travel & MoneyConvert US cups to grams and ml. Plus Fahrenheit to Celsius and Gas Mark.
GeneralConvert between metric and imperial units for length, weight, temperature and more.
GeneralCalculateToolbox.com provides free, instant calculators for everyday financial and practical decisions. Whether you need to know your redundancy pay entitlement, work out your salary take-home after tax, calculate stamp duty on a property purchase, or simply split a restaurant bill — all our tools are free, require no sign-up, and give you results immediately.
Our UK calculators are updated for the 2025/26 tax year and use the latest HMRC rates for income tax, National Insurance, and statutory pay thresholds. Our US calculators cover all 50 states for salary, sales tax, and tipping guidance.