METHODCalculation, assumptions and sources
Formula used
remaining = net income − needs − wants − savings
What is included
Allocate net income across needs, flexible spending and savings and compare it with the 50/30/20 guideline.
Assumptions and limits
Rates, prices and income remain constant in the model. Fees, taxes, rounding and contract rules can change actual outcomes.
Reference sources
Investor.gov financial calculators · Consumer Financial Protection Bureau
Last reviewed: September 2026Household Budget Calculator
Allocate net income across needs, flexible spending and savings and compare it with the 50/30/20 guideline.
Enter the required values or content, adjust the options and then review the detailed result.
FAQFrequently asked questions
What can I do with Household Budget Calculator?
Allocate net income across needs, flexible spending and savings and compare it with the 50/30/20 guideline.
How do I use Household Budget Calculator?
Enter the required values or content, adjust the options and then review the detailed result.
Are my data uploaded?
No. Inputs and files for this tool are processed locally in your browser.
Is this tool free?
Yes. Every feature is free and requires no registration.
Does it work on mobile?
Yes. The interface is optimized for iPhone, Android, tablets and desktop computers.