Updated for 2026 · no registration

Your financial decisions

Free online calculators for VAT, salaries, budgets, taxes and many others. Professional tools, created specifically for Bulgarian needs.

Why use our calculators?

Professional tools, created specifically for Bulgarian needs. Accuracy, speed and reliability in one.

Instant results

Fast and accurate calculations without delay

Verified formulas

Based on official Bulgarian tax law — NAP, NOI, BNB. Updated for 2026.

User-focused

Optimized interfaces and clear explanations for easier work

Mobile app

Available on all devices

Always up-to-date

Updated with new tax laws

100% free

All calculators are completely free

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Euro 2026: prepare your store and office

Dual labeling, change in euros and process organization — with the calculators below.

  • Dual labeling and prices in BGN/EUR
  • Change for mixed payment (BGN/EUR)
  • Practical organization for cash register and office

Ready to get started?

Choose a calculator and start making accurate financial calculations right now. Free, fast and reliable.

Kalkulatori.bg - Free online calculators for VAT, taxes and budgets | Калкулатори БГ