Self-Employed Tax Set Aside Calculator

Self-employed workers often receive gross payments, then owe tax later. A tax set aside calculator helps you move money into a reserve before it accidentally becomes rent, software, or lifestyle spending.

Estimate tax reserve

Planning formula

Tax reserve = estimated taxable freelance income multiplied by your chosen reserve percentage.

Use a reserve, not a guess

The calculator uses a simple percentage because tax rules change by country and personal situation. The practical goal is to create a cash buffer. If your actual tax bill is lower, the extra reserve becomes working capital. If it is higher, you have still reduced the surprise.

Reserve levelTypical meaning
15% to 20%May fit lower-tax situations or workers with strong deductions.
25% to 30%A common conservative starting range for many freelancers.
35%+Useful for higher-income or high-tax locations until exact rules are known.

Important caution

This page is not tax advice. VAT, GST, sales tax, estimated quarterly payments, national insurance, pension contributions, and local deductions can change the number significantly.

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