Buoyancy Calculator

Introduction

This calculator finds the buoyancy of an object based on its displacement. It also uses the object weight or density to find the net buoyancy.

Calculator

Link to these results

Buoyancy Output:

Net Buoyancy
0.66 kg
661.83 g
1.46 lbs
23.35 oz

Buoyancy
0.82 kg
819.33 g
1.81 lbs
28.9 oz

Weight
0.16 kg
157.5 g
0.35 lbs
5.56 oz

Average Density
192.22 kg/m3
0.19 g/ml
12 lbs/ft3
0.11 oz/in3

Densities of Common Materials

Material	Density (click to use above)
Acrylic	1180 kg/m3	73.66 lbs/ft3
Aluminum	2712.63 kg/m3	169.34 lbs/ft3
HDPE	950 kg/m3	59.31 lbs/ft3
Polycarbonate	1210 kg/m3	75.54 lbs/ft3
Subsea Buoyancy Foam	192 kg/m3	11.99 lbs/ft3
Stainless Steel	7861.1 kg/m3	490.75 lbs/ft3
UHMW Polyethylene	945 kg/m3	58.99 lbs/ft3
Water, fresh	999.97 kg/m3	62.43 lbs/ft3
Water, salt	1024 kg/m3	63.93 lbs/ft3

Learn More and Explore

This calculator uses the js-quantities library by gentooboontoo for unit conversions.

Interested in exploring more? Check out these products:

Subsea Buoyancy Foam: R-3312
Polyurethane buoyancy foam in various shapes
$45.00 – $160.00
Select options
Subsea Buoyancy Foam: R-3318
Urethane buoyancy foam for high pressure applications
$18.00 – $200.00
Select options
BlueROV2 Heavy Machined Buoyancy Foam
Shaped specially to fit under the BlueROV2 Heavy fairing
$55.00
Add to Cart
BlueROV2 Machined Buoyancy Foam
Increases BlueROV2 buoyancy by 500 g (1 lb)
$66.00
Add to Cart

Authors

Rusty

Rusty is the founder and CEO of Blue Robotics. His background is in engineering but he likes to be involved in everything at Blue Robotics!