DAILY GAMES / 001
Size It Up.
Guess the size. Trust your eye.
FIVE GUESSES. ONE FRESH PERSPECTIVE.
How big is your intuition?
Play Size It Up using a known object as your guide. Resize the other one until it feels right.
Refreshing starts a new run. Your best stays in this browser.
YOUR MOVE
Trust your eye.
Resize the object on the right until it feels right beside the reference.
FIVE ROUNDS. NICELY MEASURED.
A new perspective.
/ 500
Your five guesses
New runs draw from a finite collection. Objects can appear again.
Personal best can’t be saved in this browser. You can still play.
We couldn’t load this collection. Reload to try again.
THE SHORT VERSION
How to play Size It Up
Find your reference
The object on the left has a known measurement. Both objects use the same scale.
Make your estimate
Move the slider or use − and +. Check whether you’re estimating height, length or diameter.
See how close you came
Lock your guess to reveal the true size. Five rounds, up to 100 points each.
Size It Up FAQ
How is my score calculated?
Each round scores 100 × the smaller of your guess and the actual size ÷ the larger, rounded to the nearest point. An exact guess scores 100. Half the real size and twice the real size both score 50. The percentage difference is directional: half is 50% too small, while double is 100% too large.
Is this the original Size It Up?
No. This is an independent size-estimation game by Daily Games, with original illustrations and its own collection. You can play the original Size It Up by Magnitudle on its website. We are not affiliated with it.
Where do the sizes come from?
We use published specifications from manufacturers, scientific organisations and landmark operators. Each reveal links to its measurement source. Illustrations are simplified: the labeled measurement is to scale, while fine details are schematic. Browse all sources.
Can I play more than once?
Yes. Each run samples five different targets from our current collection. There is no daily limit, and questions can recur in later runs. Your best is stored only in this browser; clearing browser data clears that record. There is no shared daily puzzle or global leaderboard.
A new illustrated collection: 20 objects, from pocket-sized things to spacecraft and distant worlds.