Quick answers for everyday questions
✅ Free · 📱 Works on phones · 🚫 No sign-up
Press the buttons — just like a pocket calculator.
💡 Tip: you can type on your keyboard too. Press Enter for equals.
Each color is a time zone. The badges show the time there right now!
🗺️ States are colored by their main time zone — a few states are split down the middle. Fun fact: Arizona skips daylight saving time, so in summer its clocks match California's!
Pick a city and see its clock right now.
Your clock: --:-- ·
See what time it will be for them.
Slide the sliders — the answer updates by itself!
Every month, for the whole loan.
🎉 Your down payment covers the whole price — no loan needed!
💡 This is just the loan part. Real house payments also include things like taxes and insurance.
Start with a day and a time, then jump forward or back.
Great for figuring out shifts, trips, or sleep!
Slide to pick a time — you can even adjust it while it's running!
🔗 Shortcut that starts this timer by itself:
cherrycalc.com/?timer=5
Save it as a bookmark or desktop shortcut!
How long does it take? Press start and find out.
Focus for a while, then take a little break. After 4 focus rounds you earn a long break!
Type the bill, pick a tip, split it — the answer updates by itself!
Tip, grand total, and each person's share.
💡 Tip is figured on the bill before tax. When splitting, rounding may make the shares add up to a penny more or less than the total.
Like "what is 20% of 80?" — handy for discounts and tips.
Like "15 is what percent of 60?"
Went up or went down — and by what percent?
💡 Percent change compares the new number to the old one. Going from 100 to 150 is a 50% increase; going back from 150 to 100 is only a 33% decrease.