Business7 min
Business Expense Deductions in Poland — What You Can Write Off
A practical guide to deductible business expenses in Poland for sole traders (JDG): what qualifies, what doesn't, and how to document your costs correctly.
Blog — page 10
Animals7 min
Dog Ownership Costs in Poland 2026 — Monthly & Annual Budget Guide
Full breakdown of dog ownership costs in Poland 2026: food, vet bills, insurance, grooming and more. Plan your monthly and annual budget.
Animals6 min
How Much Does a Cat Cost in Poland? Complete Monthly Budget
Detailed breakdown of cat ownership costs in Poland — food, vet, litter, insurance and more. Calculate your monthly and yearly cat budget for 2026.
Business7 min
VAT Registration in Poland 2026 — When It's Required and How to Register
Complete guide to VAT registration in Poland 2026: thresholds, exemptions, the registration process, and what happens after you register.
Business8 min
Sole Trader Taxes in Poland 2026 — JDG Tax Options Explained
A complete guide to sole trader (JDG) tax options in Poland 2026: skala podatkowa, liniowy, ryczałt, and karta podatkowa — with rates, pros and cons.
Health7 min
How to Calculate BMI and Interpret the Result Correctly
BMI is a simple body mass index. We explain the formula, WHO ranges and show a step-by-step calculation with an example. Check the interpretation.
Health8 min
Calorie Needs — How to Calculate Them (BMR and TDEE)
Learn how to calculate your daily calorie needs. The Mifflin-St Jeor formula, activity multipliers and a step-by-step example you can follow.
Health6 min
How Much Water Should You Drink a Day? Rules for Proper Hydration
How much water a day? Learn hydration norms, a simple formula for your needs and signs of dehydration. A calculation example for your body weight.
Sport7 min
Maximum Heart Rate and Training Zones — How to Determine Them
How to calculate maximum heart rate and set training zones? The 220 minus age formula, five intensity zones and a step-by-step calculation example.
Sport7 min
Running Pace — How to Calculate and Control It
How to calculate running pace in min/km? The pace formula, conversion to speed and a 10 km example. See how to plan a run for a target time.
Sport6 min
How Many Steps a Day for Health? What the Research Says
Do you really need 10,000 steps a day? We check what the research actually says about step counts, health and longevity. Practical tips included.
Health7 min
Daily Protein Needs — How Much Do You Need
How much protein a day? Norms in grams per kg of body weight, differences for athletes and a calculation example. The best protein sources.