Guides & data studies
Clear, no-nonsense explainers and original data studies from the team behind YouCalc’s calculators — so you understand the numbers before you run them.
Data studies
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Data study Finance & MoneyDeposit Insurance Coverage Index: what a bank guarantee is really worth
If your bank fails, how much is guaranteed? We compare statutory deposit insurance ceilings across 68 jurisdictions in one currency and against income.
68 countries · Updated July 20, 2026 -
Data study Conversions & UnitsHow the world writes numbers
A sourced reference for how 57 locales write 1,234,567.89 — decimal marks, group separators, Indian lakh grouping and the SI recommendation.
57 locales · Updated July 1, 2026 -
Data study Lifestyle & EverydayThe Phantom-Power Index: what always-on devices really cost per year
Which always-on devices cost the most in standby power? We rank 35 devices by yearly standby cost and price four across countries. 2025 data.
35 devices · Updated July 1, 2026 -
Data study Health & BodyHealthy-Weight Standards Don’t Agree: The Global BMI Cut-off Reference
“Healthy” vs “overweight” is a committee decision, and committees disagree. We compare 8 BMI standards by kilogram per line. Reviewed 2026.
8 standards · Updated June 30, 2026 -
Data study Date & TimeFamous Dates Across 8 Calendars (and Why Your Hijri Age Is Higher)
9 world-famous dates — Moon landing to Berlin Wall's fall — shown in 8 calendars, plus why a lunar Hijri age runs about a year ahead. 2026.
9 dates · Updated June 30, 2026 -
Data study Education & GradesGlobal GPA Equivalence Table
A table converting grades across systems — US, German, French, Indian, UK and ECTS. German follows the official KMK formula; the rest are indicative.
8 grading systems · Updated June 30, 2026 -
Data study Finance & MoneyWhere tourists actually get the most VAT back
We ran a purchase through 38 countries’ tax-free schemes to rank what tourists ACTUALLY pocket after operator fees — not the headline VAT rate.
38 countries · Updated May 24, 2026 -
Data study Finance & MoneyGlobal Mortgage Affordability Index
Where is a home loan most affordable? We rank 41 countries by how much of a median income a typical mortgage payment takes, using 2026 data.
41 countries · Updated May 24, 2026 -
Data study Lifestyle & EverydayAI Footprint Index
How much energy, water and CO₂ does one AI task cost? We rank 6 common AI tasks and three usage personas — 2024 data, estimates.
6 AI tasks · Updated May 24, 2026 -
Data study Finance & MoneyRent vs Buy Crossover Index
How many years until buying a home beats renting? We rank 41 countries by break-even year, using 2026 Numbeo data and YouCalc’s engine.
41 countries · Updated May 24, 2026
How-to guides
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How to convert your CGPA or percentage for studying abroad
Education & Grades · 7 min read -
What a bell curve really does to your grade
Education & Grades · 7 min read -
How grading systems work around the world
Education & Grades · 8 min read -
How much house can I afford?
Finance & Money · 5 min read -
Should I rent or buy a home?
Finance & Money · 5 min read -
How to pay off your mortgage early
Finance & Money · 6 min read