# Unique & Playful — YouCalc

> Fun, quirky, and curiosity-driven calculators.

## All Unique & Playful calculators

- [Digital Detox Calculator](https://youcalc.com/en/unique-playful/digital-detox/): See how many hours — and how much money-equivalent — you reclaim by cutting daily screen time. Fun book, workout, and movie equivalents. Free, instant, no sign-up.
- [How Rich Am I? Global Income Percentile Calculator](https://youcalc.com/en/unique-playful/global-income-percentile/): See where your income ranks among everyone on Earth. Enter your income and country and we PPP-adjust it to show what percentage of the world you out-earn. Free.
- [Relativity Date Night](https://youcalc.com/en/unique-playful/relativity-date-night/): A fast trip really does make you age slightly slower. Pick a speed and trip length to see your time dilation in nanoseconds, from Einstein’s formula. Just for fun.
- [Weight on Other Planets Calculator](https://youcalc.com/en/unique-playful/weight-on-planets/): See what you would weigh on the Moon, Mars, Jupiter and every planet using real NASA surface-gravity data — plus how high you could jump. Free and instant.

## Optional

- [YouCalc](https://youcalc.com/en/)
- [XML sitemap](https://youcalc.com/sitemap.xml)