Calculators we actually use in the product.

HMRC rates, no signup. Built for UK practices and the people they file for.

Live2026/27 rates
HMRC mileage claim calculator
Calculate current or previous car mileage rates for 2026/27, 2025/26 and 2024/25. Add journeys and download a claim summary.
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Live
CIS deduction calculator
Labour after materials, plant hire and VAT. Download a payment and deduction statement.
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