How it works
Buoyant force = fluid density × displaced volume × gravitational acceleration, directed upward in a static fluid.
Input definitions
- Fluid density (kg/m³)
- Enter the value in the labeled unit.
- Displaced fluid volume (m³)
- Enter the value in the labeled unit.
- Gravity (m/s²)
- Enter the value in the labeled unit.
A worked example
- Fluid density (kg/m³)
- 1000
- Displaced fluid volume (m³)
- 0.01
- Gravity (m/s²)
- 9.80665
Assumptions & limits
Ideal educational model in the stated SI units. Real equipment, structural design and safety decisions need appropriate professional analysis; losses are excluded unless entered.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-18. Content checked against the stated method and examples. Our verification approach.
Common questions
Do I enter the total object volume?
Enter only the volume displacing fluid. For a partly submerged object this is less than the full object volume.
How does Archimedes buoyant force work?
Buoyant force = fluid density × displaced volume × gravitational acceleration, directed upward in a static fluid.
What should I check before using Archimedes buoyant force?
Ideal educational model in the stated SI units. Real equipment, structural design and safety decisions need appropriate professional analysis; losses are excluded unless entered.