Calculators for law, finance, work and real estate
Use free online calculators for law, finance, employment and real estate.
Quickly calculate alimony, interest, salary, loan costs, transfer tax and other values you need before making a decision.
Calculator categories
Browse by topic
All calculators
Bailiff costs calculator — who pays and how much
Bailiff costs — Articles 27-30 scenarios
Notary & purchase costs — calculator
Notary fees and PCC when buying a flat
Apartment purchase cost calculator
Apartment purchase and transaction costs
Cash loan calculator — instalment and cost
Cash‑loan instalment and cost
Mortgage calculator — payment, down payment
Mortgage instalment and down payment
Consolidation loan calculator — instalment after consolidation
Instalment after consolidation and total cost
Car loan calculator — instalment and cost
Car‑loan instalment and total cost
Tax-deductible costs (KUP) calculator
Tax-deductible costs (KUP)
Related guides by topic
Read guides related to calculators in the areas of law, finance, employment and real estate.
Related legal specializations
Browse legal specializations related to the most common user cases.
Related accounting specializations
Compare accounting firms and services useful after calculating taxes, contributions, business costs and salaries.
Frequently asked questions
Answers to the most common questions about our legal and financial calculators.
Over 100 free calculators across 4 categories: law (alimony, reserved share, contractual penalties), finance (loans, taxes, lump-sum), work (salary, B2B, leave) and real estate (mortgage, PCC tax, deposit). Results are indicative and do not replace legal or financial advice.
Yes — all calculators are completely free and require no registration. You can use them without any limits.
Use the search bar at the top of the page, or browse one of the 4 categories: Law, Finance, Work, Real Estate. Each category is divided into topics — you can also browse calculators by topic.
No — results are indicative only and are intended for preliminary assessment. For legal, tax or financial matters, always consult a lawyer, tax advisor or notary.
Regularly — we update calculators with every change in regulations (including ZUS rates, tax thresholds, minimum wage). If you notice an outdated result, let us know via the contact form.
On prawopro.pl you can find a directory of law firms and accounting offices. Search by location and specialisation, then send an enquiry directly through the platform.