Needs
$3,250.00
50% of income
Household planning tool
Monthly Budget & 50/30/20 Calculator
Compare actual needs, wants, and savings with the 50/30/20 rule or your own targets. See allocation gaps, monthly reallocation, the savings shortfall or surplus, and income needed for the submitted plan.
Default budget results are displayed.
Unallocated income · Surplusi
$540.00
This positive remainder is not assigned to a budget bucket.
Budget Summary
Based on the most recently calculated 50 / 30 / 20 snapshot.
Total monthly incomei
$6,500.00
Total monthly allocationsi
$5,960.00
Unallocated incomei
$540.00
Living expensesi
$4,660.00
Annual balance projectioni
$6,480.00
Balance ratei
8.31%
Target Allocation
Monthly take-home income multiplied by the selected target percentage.
Wants
$1,950.00
30% of income
Savings & extra debt
$1,300.00
20% of income
Actual vs Target
Needs
Over target by $600.00
- Actual
- $3,850.00 · 59.23%
- Target
- $3,250.00 · 50%
Wants
Under target by $1,140.00
- Actual
- $810.00 · 12.46%
- Target
- $1,950.00 · 30%
Savings & extra debt
On target
- Actual
- $1,300.00 · 20%
- Target
- $1,300.00 · 20%
Savings Target Gap
Savings, investments, and extra debt payoff in the submitted snapshot.
- Target monthly savings
- $1,300.00
- Actual monthly savings
- $1,300.00
- Monthly gap
- On target
- Annualized gap
- No annualized gap
Income Needed for This Budget
The smallest take-home income that would fit every submitted bucket within the selected percentages.
- Current monthly income
- $6,500.00
- Income needed to fit target model
- $7,700.00
- Gap
- $1,200.00 more monthly income would be needed.
Monthly Reallocation Needed
Factual gaps between submitted amounts and the selected target model.
- Needs: Over target by $600.00.
- Wants: Under target by $1,140.00.
- Savings & extra debt: On target.
- Total over-allocation
- $600.00
- Total under-allocation
- $1,140.00
- Amount needed to reach savings target
- $0.00
Largest Target Gap
Needs exceed the selected target by $600.00 per month.
Detailed breakdown
Every submitted line item and group subtotal from the calculated snapshot.
| Name | Group | Monthly amount | Income share |
|---|---|---|---|
| Primary income | Household income | $4,500.00 | 69.23% |
| Partner income | Household income | $2,000.00 | 30.77% |
| Side income | Household income | $0.00 | 0% |
| Other income | Household income | $0.00 | 0% |
| Household income subtotal | Household income | $6,500.00 | 100% |
| Housing | Needs | $1,800.00 | 27.69% |
| Utilities | Needs | $250.00 | 3.85% |
| Groceries | Needs | $600.00 | 9.23% |
| Transportation | Needs | $450.00 | 6.92% |
| Insurance & healthcare | Needs | $350.00 | 5.38% |
| Childcare | Needs | $0.00 | 0% |
| Minimum debt payments | Needs | $300.00 | 4.62% |
| Other needs | Needs | $100.00 | 1.54% |
| Needs subtotal | Needs | $3,850.00 | 59.23% |
| Dining out | Wants | $250.00 | 3.85% |
| Entertainment | Wants | $100.00 | 1.54% |
| Shopping | Wants | $100.00 | 1.54% |
| Subscriptions | Wants | $60.00 | 0.92% |
| Personal spending | Wants | $150.00 | 2.31% |
| Travel fund | Wants | $150.00 | 2.31% |
| Other wants | Wants | $0.00 | 0% |
| Wants subtotal | Wants | $810.00 | 12.46% |
| Emergency fund | Savings & extra debt | $300.00 | 4.62% |
| Retirement contributions | Savings & extra debt | $500.00 | 7.69% |
| Investments | Savings & extra debt | $200.00 | 3.08% |
| Extra debt payments | Savings & extra debt | $200.00 | 3.08% |
| Other savings | Savings & extra debt | $100.00 | 1.54% |
| Savings & extra debt subtotal | Savings & extra debt | $1,300.00 | 20% |
- Needs$3,850.00
- Wants$810.00
- Savings & extra debt$1,300.00
- Unallocated balance$540.00
Needs: actual $3,850.00; target $3,250.00.
Wants: actual $810.00; target $1,950.00.
Savings & debt: actual $1,300.00; target $1,300.00.
What Is the 50/30/20 Budget Rule?
The 50/30/20 rule is a monthly allocation benchmark: 50% of take-home income for Needs, 30% for Wants, and 20% for Savings & Debt Goals. It is a quick comparison tool, not a universally correct budget. Housing costs, income, location, family responsibilities, and debt obligations can make a different split more practical.
How to Calculate a 50/30/20 Budget
For each bucket, use: monthly take-home income × category percentage = target amount. This calculator uses net income after taxes and payroll deductions, not gross salary.
| Monthly Take-Home Income | Needs 50% | Wants 30% | Savings 20% |
|---|---|---|---|
| $2,000.00 | $1,000.00 | $600.00 | $400.00 |
| $3,000.00 | $1,500.00 | $900.00 | $600.00 |
| $4,000.00 | $2,000.00 | $1,200.00 | $800.00 |
| $5,000.00 | $2,500.00 | $1,500.00 | $1,000.00 |
| $7,500.00 | $3,750.00 | $2,250.00 | $1,500.00 |
| $10,000.00 | $5,000.00 | $3,000.00 | $2,000.00 |
What Counts as Needs, Wants, and Savings?
Needs
Housing, essential utilities, groceries, insurance, healthcare, required transportation, and minimum required debt payments. Classification depends on the household and circumstance.
Wants
Dining out, entertainment, optional subscriptions, discretionary shopping, and nonessential travel or upgrades.
Savings & debt goals
Emergency funds, retirement, investments, and debt payoff above required minimums. Do not include payroll deductions already removed from take-home income.
What If My Needs Are More Than 50%?
A needs share above 50% is a factual variance, not a judgment. High housing or childcare costs, local prices, medical needs, transportation, income level, and other circumstances can make 50% unrealistic. Select Custom to compare the same actual budget with percentages that better represent the model you want to test.
50/30/20 vs Custom Budget
The 50/30/20 preset is a standard benchmark. Custom keeps the same calculation engine but replaces the three target percentages; they must be non-negative and total 100%. Neither strategy changes the submitted expense classification or silently reallocates money.
Worked Examples
Example 1: $4,000 take-home income
The 50/30/20 target is $2,000.00 for Needs, $1,200.00 for Wants, and $800.00 for Savings & Debt Goals.
Example 2: actual spending comparison
With $4,000.00 income, actual amounts of $2,240.00 Needs, $1,090.00 Wants, and $490.00 Savings leave $180.00 unallocated. Needs are $240.00 over target; Wants are $110.00 under; Savings are $310.00 under. The allocation gaps identify $240.00 over target and $420.00 under target without prescribing a spending decision.
How to Read the Results
Budget Summary reconciles income with all assigned amounts. Target Allocation converts percentages to dollars. Actual vs Target reports each difference as over, under, or on target. Savings Target Gap annualizes the submitted monthly difference. Income Needed for This Budget divides each bucket by its target percentage and uses the largest result. The reallocation section reports gaps only; it does not recommend which bill or purchase to change.
A positive Unallocated Income amount is a Surplus, zero is Balanced, and a negative amount is a Deficit. A deficit is never counted as savings. Annual figures simply multiply the submitted month by 12 and do not model taxes, interest, returns, inflation, or irregular cash flow.
Frequently asked questions
What is the 50/30/20 rule?
The 50/30/20 rule is a budgeting benchmark that assigns 50% of monthly take-home income to needs, 30% to wants, and 20% to savings and extra debt payoff. It is a reference point, not a universal requirement.
How do I calculate a 50/30/20 budget?
Multiply monthly take-home income by 0.50 for needs, 0.30 for wants, and 0.20 for savings and extra debt goals. The calculator performs those calculations and compares them with your submitted amounts.
Is the 50/30/20 rule based on gross or net income?
This calculator uses monthly take-home, or net, income after taxes and payroll deductions. It does not estimate taxes or convert gross pay to net pay.
What counts as a need?
Needs usually include housing, essential utilities, groceries, insurance, required transportation, healthcare, and minimum required debt payments. Classification can vary with a household’s circumstances.
What counts as a want?
Wants are generally flexible expenses such as dining out, entertainment, optional subscriptions, discretionary shopping, and nonessential travel.
Does debt repayment count as savings?
In this calculator, minimum required debt payments belong under Needs. Payments above the required minimum belong with Savings & extra debt because they are optional progress toward a financial goal.
What if my needs are over 50%?
Needs above 50% are not automatically a sign of a bad budget. Housing costs, location, household size, income, care needs, and other circumstances can make the benchmark unrealistic. Use Custom targets when a different allocation is more useful.
Can I change the 50/30/20 percentages?
Yes. Select Custom and enter non-negative percentages for needs, wants, and savings that total 100%. The calculator will not silently normalize percentages that do not add up.
How much should I save each month?
The 50/30/20 preset uses 20% of take-home income for savings and extra debt goals, but that is only a benchmark. The appropriate amount depends on obligations, goals, time horizon, and available cash flow.
How much should I spend on housing?
This calculator does not prescribe a housing percentage. Housing is one part of the Needs bucket, and its workable amount depends on local costs, income, household needs, utilities, transportation, and other required expenses.
What if my expenses are higher than my income?
The calculator reports a Deficit when submitted allocations exceed take-home income. The negative remainder is not treated as savings; use the line-item totals and allocation gaps to identify the source of the mismatch.
How do I calculate how much income I need for my budget?
For each bucket, divide its actual monthly amount by its target percentage, then take the largest result. That is the minimum take-home income needed for every bucket to fit the selected model. A positive amount paired with a 0% target has no finite result.