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Budget Calculator

Build a monthly budget and see exactly where your money goes. Enter your South African take-home salary and expense categories to track your savings rate, compare against the 50/30/20 rule, and identify where you can save more.

Quick Calculator Get a fast estimate
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After-tax (net) income. Include salary, freelance, and any other regular income.
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Balanced
R 1 700 remaining
Total Monthly Expenses
R 23 300
Monthly Income
R 25 000
Savings Rate
8.00%
50/30/20: Needs (target ≤50%)
77.20% — R 19 300
50/30/20: Wants (target ≤30%)
8.00% — R 2 000
50/30/20: Savings (target ≥20%)
8.00% — R 2 000
Annual Savings
R 24 000
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How to Use the Budget Calculator

  1. Monthly Income: Enter your after-tax (net) take-home pay. Include all regular income sources.
  2. Housing: Your rent or bond repayment plus levies. Target: 30% or less of gross income.
  3. Food: Groceries and dining out combined.
  4. Transport: Fuel, car repayment, insurance, public transport, and Uber combined.
  5. Utilities: Electricity, water, internet, and cell phone.
  6. Savings: Amount you put into savings or investments each month.

The Extended Calculator below adds 50/30/20, Zero-Based, and Pay Yourself First budgeting tabs with a spending pie chart. The Professional Calculator provides debt payoff planning, financial goals tracker, and net worth tracker.

Need more detail?
📊 Extended Calculator More options, charts, and scenario comparison
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BudgetNeeds (50%): 50%Wants (30%): 30%Savings (20%): 20%
50/30/20 Budget Split
R 25 000/month
Needs (50%)
R 12 500
Wants (30%)
R 7 500
Savings (20%)
R 5 000

The 50/30/20 Budget Rule

50% — Needs: housing, food, transport, utilities, insurance, debt repayments 30% — Wants: dining out, entertainment, subscriptions, shopping 20% — Savings: emergency fund, retirement annuity, TFSA, investments

On a R25,000 net salary: R12,500 for needs, R7,500 for wants, R5,000 for savings. This is a guideline — adjust ratios based on your situation and goals.

Example: R30,000 Take-Home Salary Budget

Single person in Johannesburg (2026)

Housing (rent, 1-bed): R9,500 (32%)

Food & groceries: R3,500 (12%)

Transport (fuel + car): R3,500 (12%)

Utilities: R1,800 (6%)

Medical aid + insurance: R2,500 (8%)

Entertainment: R1,500 (5%)

Savings & investments: R5,000 (17%)

Other: R1,500 (5%)

Total: R28,800 | Remaining: R1,200 | Savings rate: 17%

Need full precision?
🔬 Professional Calculator Complete parameters, sensitivity analysis, and detailed breakdown
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Debt Payoff Planner
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DebtBalanceRate %Min PaymentPriority
Store AccountR 5 00024%R 200 + R 500#1
Credit CardR 15 00021%R 450#2
Personal LoanR 40 00014%R 1 200#3
Debt Summary
R 60 000
Min Payments
R 1 850/mo
Est. Payoff
28 months
Avg Rate
16.6%
Financial Goals
Emergency Fund (3 months)
17% done
R 15 000 saved of R 90 00075 months to go
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Saved R
Holiday / Travel
17% done
R 5 000 saved of R 30 00050 months to go
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Saved R
Home Deposit
10% done
R 20 000 saved of R 200 00090 months to go
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Saved R
Net Worth Tracker
Assets
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Total: R 240 000
Liabilities
Credit CardR 15 000
Personal LoanR 40 000
Store AccountR 5 000
Total: R 60 000
Net Worth
R 180 000

Frequently Asked Questions

50% of net income to needs (housing, food, transport, utilities, insurance), 30% to wants (entertainment, dining, subscriptions), and 20% to savings and debt repayment. On R25,000: R12,500 needs, R7,500 wants, R5,000 savings.
Financial advisors recommend no more than 30% of gross income on housing. In SA cities, many people spend 35–40% due to high rental costs. If housing exceeds 40% of income, consider a flatmate or more affordable area.
Aim for 15–20% of take-home income. Priority: 1) Emergency fund (3–6 months expenses), 2) Employer-matched pension contributions, 3) Retirement Annuity (RA) up to R350,000/year, 4) Tax-Free Savings Account (R36,000/year).
South Africans save on average 0–2% of income, which is very low. Financial experts recommend 15–20%. Saving 20%+ consistently puts you in a strong position. Even R500–R1,000/month invested at 10% annual return grows substantially over 20 years.
Key SA budget categories: Housing (rent/bond/levy), Food (groceries + dining), Transport (fuel, car repayment, insurance), Utilities (electricity, water, internet, cell), Insurance (medical aid, life, vehicle, home contents), Debt repayments, Entertainment, Savings and investments.

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