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Budget and costs · Setting a budget

What is the 50/30/20 rule budget?

Answered by the UK Wedding Websites editorial team · Updated 2026-10-12

Short answer

The 50/30/20 rule splits your after-tax income into three parts: 50 percent for needs, 30 percent for wants, and 20 percent for savings or debt. It is a general guide, not a strict law.

The 50/30/20 rule is a simple way to manage your personal finances. You divide your monthly income after tax into three categories. Half goes to needs, which are essential costs like rent, bills, groceries, and transport. Thirty percent goes to wants, which are non-essential items like eating out, holidays, and entertainment. The final twenty percent goes to savings or paying off debts. For a wedding, you might use this rule to think about how much you can save each month before the big day. If you already follow this rule, you can see how much of your wants budget you are willing to redirect towards wedding costs. The rule is flexible. If your rent is high, you might need to adjust the percentages. It is not a legal requirement, just a helpful framework. Some couples find it useful to set a monthly savings target based on the twenty percent portion. Others prefer to use a different method, such as saving a fixed amount each month. The key is to be realistic and honest about your finances. The rule works best when you track your spending and review it regularly. It can also help you avoid going into debt for the wedding. Remember, the rule is a guide, not a rule set in stone. Adjust it to fit your life.

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