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Deduction impact calculator

Explore how deductible expenses could reduce tax at a marginal rate you choose.

Deductible business expenses

Add an expense and choose your assumptions.

Keep your receipts in GigBooks

A what-if estimate: deductible expenses × assumed marginal rate. Enter only the deductible business-use share, excluding any VAT you reclaim. Categories organise your inputs; they do not establish deductibility. This does not calculate your total tax bill or account for tax credits, income splits, losses or changes in marginal rate.

Check deductions with Vero (Finnish) ↗

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