Area And Volume
Geometry calculator & formulas
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Start with the dimensions you know. Choose a shape and input method, enter values on the diagram, then check the formula and copy your result.
Calculate a shape’s area or volume from the dimensions you already have. Area And Volume pairs labeled diagrams with formulas, so you can check what each value means as you calculate.
CHOOSE THE INPUTS YOU KNOW
Find a triangle’s area from its base and height, three sides, or two sides and the included angle. For circles, choose radius or diameter. Ellipses support semi-axis or full-axis lengths; sectors support a central angle or arc length.
16 AREA CALCULATION METHODS
Rectangle, square, parallelogram, trapezoid, rhombus, right triangle, general triangle, circle, ellipse, and sector.
6 VOLUME CALCULATION METHODS
Cylinder, cone, sliced cylinder, sphere, triangular prism, and triangular pyramid. For the triangular prism and pyramid, enter the known base area and height.
CHECK, ADJUST, COPY
• See the formula and an explanation of its symbols.
• Get updated results as you change the inputs.
• Copy the displayed number to another app.
• Reset the fields for a new calculation.
• Calculate, view formulas, and copy results offline.
Useful for geometry practice, checking your work, and everyday dimension calculations. Works on iPhone and iPad, supports English and Simplified and Traditional Chinese, and follows your system’s light or dark appearance. Pro removes ads.
Use consistent units for your inputs. Results are rounded to two decimal places. This app does not convert units, measure with the camera, or provide step-by-step solutions.
• Refreshed the app icon and home layout, with more room for shape names and input descriptions.
• Improved number validation to handle invalid entries more reliably.
• Fixed scientific notation formatting for large results.
• Improved rhombus angle input and result validation.
The developer, 鹏 刘, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
- Other Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 鹏 刘
- Size
- 82.6 MB
- Category
- Education
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 2 more
- English, Simplified Chinese, Traditional Chinese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Upgrade to Pro $0.99
- Copyright
- Copyright © 2026 Sanhe Zhishi Technology Co., Ltd. All Rights Reserved.