Weighted portfolio return calculator

Blend three holdings into one number.

Built and reviewed by Dovanic, Founder and editor, FreeByteLast reviewed: 2026-08-18

Weight A

50%

Return A

Weight B

30%

Return B

Return C (rest)

Blended return

5.90%

Weight C

20%

With these inputs, blended return comes to 5.90%. Weight C works out to 20%. The result assumes return a stays at 9%.

What moves the number · Blended return

Input	−10%	Now	+10%
Weight A	5.50%	5.90%	6.30%
Return A	5.45%	5.90%	6.35%
Weight B	5.81%	5.90%	5.99%
Return B	5.78%	5.90%	6.02%
Return C (rest)	5.88%	5.90%	5.92%

Whatmakesequal

Save this set of inputs, change something, then save again to compare the outcomes side by side.

Blend three holdings into one number.

With the defaults above, blended return works out at 5.90%.