Practical calculations
We focus on calculations that can help with real everyday decisions, from understanding salary figures to exploring mortgage overpayments.
My UK Tools provides free calculators and practical tools designed to make everyday UK money, salary, mortgage and work-related calculations simpler.
Many everyday calculations can become confusing when they involve percentages, tax rules, mortgage interest, working patterns or employment-related figures.
My UK Tools brings these calculations together in one place, with straightforward inputs, clear results and explanations showing how those results are calculated.
Our aim is to help you understand the numbers rather than simply showing you an answer.
Each calculator is designed to give you a useful estimate while clearly explaining the assumptions behind the calculation.
Our calculators are designed to be useful, understandable and transparent about their limitations.
We focus on calculations that can help with real everyday decisions, from understanding salary figures to exploring mortgage overpayments.
Where appropriate, we explain the calculation method, assumptions and source information so you can understand how a result was produced.
Calculator results are estimates, not personalised financial, legal, tax or employment advice. Important decisions should be checked against relevant official guidance or a qualified professional.
Our Methodology page explains the approach used across My UK Tools, including assumptions, rounding and the importance of checking time-sensitive rules and rates.
Start with one of our current UK calculators.
My UK Tools is provided for general information and estimation purposes. Results can depend on individual circumstances and may be affected by changes to rates, rules, contracts or other factors. Always verify important figures before making financial, tax, legal or employment decisions.