💑 Built for Couples • Updated Feb 2026

Joint Budget Calculator for Couples

Figure out fair contributions to shared expenses. Compare proportional (income-based), 50/50, and custom splits. No more money arguments.

💰 Enter Your Details

Input both partners' incomes and your shared monthly expenses.

Monthly Net Income

💡 Don't know your net income? Use our Net Salary Calculator

Shared Monthly Expenses

Auto-updates as you type. No calculate button needed.
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💑 Joint Budget Split
Total: R56,500/month
Partner 1: R34,000 | Partner 2: R22,500
60% / 40% split (Proportional)

⚖️ Proportional Method (Income-Based)

Fair contribution based on earning capacity

R56,500/month
👤 Partner 1
Net income: R100,000/month
R34,000
60% of expenses
Personal spending left:
R66,000
👤 Partner 2
Net income: R65,000/month
R22,500
40% of expenses
Personal spending left:
R42,500

📊 Expense Breakdown

⚖️ 50/50 Split Method

Equal contribution regardless of income

R56,500/month
👤 Partner 1
Net income: R100,000/month
R28,250
50% of expenses
Personal spending left:
R71,750
👤 Partner 2
Net income: R65,000/month
R28,250
50% of expenses
Personal spending left:
R36,750

🎚️ Custom Split Method

Adjust contribution percentage for each expense category

R56,500/month

📊 Adjust Each Expense

👤 Partner 1
Net income: R100,000/month
R34,000
60% of expenses
Personal spending left:
R66,000
👤 Partner 2
Net income: R65,000/month
R22,500
40% of expenses
Personal spending left:
R42,500

🤔 What If Scenarios

Test different scenarios to plan ahead

💰 Couple Savings Potential

🚀 Next Steps

💵
Calculate Your Take-Home Pay
Figure out your net salary after tax, UIF, and deductions
🏙️
How Much Do You Really Need?
Calculate realistic living costs for your family in SA cities
🏦
Plan Your Retirement Together
Two-pot calculator and retirement planning for couples