Free Tools
MTD tools,
no signup.
Six plain-English calculators and checkers for UK landlords, sole traders, and anyone navigating Making Tax Digital.
Quarter Deadline Calculator
Find out which MTD quarter you are in, your submission deadline, and how many days remain.
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Income Tax Estimator
Enter your income and expenses. Get an instant tax estimate split by basic and higher rate.
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MTD Threshold Checker
Answer three questions. Find out if you need to register for MTD ITSA and when.
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Allowable Expenses Lookup
Search HMRC-approved expense categories for landlords and sole traders.
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Penalty Calculator
Calculate your exposure under HMRC's points-based MTD penalty system.
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Rental Income Tax Calculator
Estimate your tax on rental income. Accounts for expenses, mortgage interest relief, and your tax band.
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Ready to automate your submissions?