# Tank Volume Calculator

> Tank volume calculator: compute exact capacity in gallons or litres for cylinder, rectangle and capsule tank shapes. Free, runs in your browser, no signup.

- **Canonical URL:** https://boringtoolskit.com/tank-volume-calculator/
- **Category:** Construction & Measurement
- **Evidence level:** catalogue
- **Reviewed:** July 26, 2026
- **Last verified:** 2026-10-12
- **Privacy:** Inputs and results stay in this browser unless the page clearly labels an external request.

---

*Local planning estimate. Verify current terms, rates, and policies before acting.*