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Prujsa Tools

Business calculators

Calculate VAT, margins, markups, work costs, discounts and selling prices directly in your browser. The tools are free and require no account.

VAT calculator

Calculate VAT and the total amount from a price excluding VAT.

Reverse VAT calculator

Find the amount excluding VAT when you already know the price including VAT.

Margin & markup

Calculate profit, margin and markup from the purchase price and selling price.

Hourly rate & work

Calculate labour cost from hours, hourly rate and VAT rate.

Discount

Calculate the discount amount and price after discount.

Markup to selling price

Calculate a selling price from the purchase price and desired percentage markup.

Shipping, fees & minimum selling price

Calculate the selling price needed to cover purchase cost, shipping, percentage fees and desired profit.

These calculators are support tools. Always check current tax and VAT rules when using a calculation as a basis for bookkeeping, tax returns or other information submitted to authorities.