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Circle Calculator app is ready. Fully free and offline. Really tiny app. No registration needed, just install and gets started.
Calculate circle area, circumference, diameter, and radius offline
Circle Calculator is a FREE, clean, fast, and easy-to-use tool for calculating every measurement of a circle. Whether you're a student, engineer, designer, or just need a quick answer, Circle Calculator gets the job done instantly. How it works Enter any one known value — radius, diameter, circumference, or area — and the app instantly calculates all the other measurements for you. No need to remember formulas. Key Features - Calculate from radius, diameter, circumference, or area - Supports multiple units: cm, m, inches, feet, and px - Live visual canvas showing your circle drawn to scale - Tap any result to copy it to your clipboard - Calculation history with auto-save - Built-in formulas reference (C = 2πr, A = πr², and more) - Adjustable decimal precision (2, 4, 6, or 8 places) - Dark mode support - Available in 9 languages: English, Spanish, Portuguese, French, German, Italian, Dutch, Korean, and Japanese Perfect for: Students solving geometry homework, engineers working with circular parts, designers sizing circular elements, or anyone who needs a fast circle calculation. Simple. Beautiful. Accurate.
past month, based on 1 day
Downloads
Low confidence16
From install count ÷ months since release
In-app revenue
$0
No in-app purchases
Ads
$0
No ads
Total
$0
In-app + ads
Google Play only. Downloads from daily Top free ranks (or the store's install count); in-app revenue from Top grossing ranks, calibrated on AppTweak's US estimates, or else from downloads; ads from public ad benchmarks. Not reported figures.