cromtra.com

Cromtra business tools

Quick calculators for everyday business decisions

Calculate VAT, convert currencies, estimate fees, check profit, and prepare invoice totals without unnecessary complexity.

Browse all toolsStart with VAT/GST

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Ten focused business tools grouped by the job you need to do.

Tax

3
TaxVAT/GST Calculator

Add tax and compare net, tax, and gross prices.

Open tool TaxReverse VAT Calculator

Remove included VAT or GST from a gross price.

Open tool TaxVAT + Currency Calculator

Calculate tax and convert the final price in one step.

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Currency

1
CurrencyCurrency Converter

Convert currencies with daily reference rates.

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Finance

2
FinanceMortgage & Loan Calculator

Estimate loan payments, interest, and extra-payment savings.

Open tool FinancePayment Fee Calculator

Estimate processing fees or a target-net charge.

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Documents

3
DocumentsPDF Invoice Generator

Create and download a ready-to-use PDF invoice.

Open tool DocumentsPDF Splitter

Split every PDF page and download the files in one ZIP.

Open tool DocumentsInvoice Total Calculator

Total line items, discounts, VAT, and shipping.

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Business

1
BusinessProfit Margin Calculator

Review profit, margin, markup, VAT, and fees.

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Clear calculations

Useful estimates, explained simply

Cromtra provides straightforward tools for VAT-inclusive and VAT-exclusive pricing, daily currency estimates, payment fees, profit margins, and invoice totals. Each calculator shows the important figures and explains the formula without burying the result.