Practical guide for 2026: VAT with examples, personal income tax step by step, crypto taxation, LLC vs sole trader comparison, and planning tips—with links to free calculators on Kalkulatori.bg.

Learn how to use loan and mortgage calculators to compare offers, calculate payments and plan finances.

Learn how to use salary and social insurance calculators. Calculate gross/net salary, insurance and taxes.

Learn how to use deposit and investment calculators. Calculate interest, returns, ROI and compare different options.

Learn how to use business calculators: cost, profit, break-even, freelancer rates, SaaS metrics and more.

Learn how to use a family budget calculator to plan expenses, savings and achieve financial goals.

Learn how to use the BGN-EUR calculator for merchants. Calculate change in euros and prepare for the transition from January 2026.

Learn how to use the inflation and indexation calculator. Calculate what your money is worth today from past years.

Learn how to calculate all costs when buying property: local tax, notary, fees and commission.

Calculate fuel consumption and trip cost. Petrol/diesel consumption, Sofia-Varna route, cost to the sea. Free online calculator.

Calculate your daily calorie intake with the TDEE calculator. Calories for weight loss, maintenance or gain. BMR, Mifflin-St Jeor.

Calculate interest on deposits, loans and obligations. Calculators for bank interest, amortization schedule and legal interest on late payments.

Fuel, calories, salary, interest and taxes – the calculators users visit most. Free online tools.

Compare Bulgarian OOD/LLC and sole trader (ET) for 2026: taxes, insurance, liability and worked examples. For anyone choosing a legal form.

Step-by-step net from gross: social contributions and flat income tax, with three worked examples. Free salary calculator linked.

What matters in 2026: euro, wage and social thresholds, VAT, and where to read official NAP guidance. Practical overview for people and businesses.

Fuel cost for long drives: worked examples for popular Bulgaria routes, formulas, and saving tips. Link to the fuel calculator.

Daily calories with TDEE: BMR vs TDEE, activity multipliers, weight-loss deficit, male/female examples. Link to the TDEE calculator.