Geometry
Torus Calculator
Volume and surface of a torus from tube radius r and distance R to tube center.
Free to use — no sign-up or login.
Volume
Surface
Amortization schedule
| # | Date | Payment | Principal | Extra | Interest | Balance |
|---|---|---|---|---|---|---|
This free Torus Calculator covers Volume and surface of a torus from tube radius r and distance R to tube center.
V = 2π² R r²; S = 4π² R r, with R > r > 0. Related geometry tools sit beside How it works, with no account required.
Using the Torus Calculator
Volume and surface of a torus from tube radius r and distance R to tube center. Typical inputs are Major radius R and Minor radius r. How it works beside the form states the identity the Torus Calculator applies.
FAQ
How do I use the Torus Calculator?
Open the Torus Calculator, fill Major radius R and Minor radius r, and read the result. V = 2π² R r²; S = 4π² R r, with R > r > 0.
What formula does the Torus Calculator use?
The Torus Calculator uses the identity in How it works. In words: V = 2π² R r²; S = 4π² R r, with R > r > 0.