Quick tax calculator
Your figures once, all three countries side by side. Same real rates as the full plan.
Your figures
Enter plain numbers. We treat them as pounds, dollars or Australian dollars in each column, with no currency conversion.
Before any tax comes off.
After business costs.
Before mortgage interest.
Shares, crypto, a second property.
Your own contributions this year.
This is what the saving is built from.
House, savings, investments. Leave at nought to skip.
United Kingdom
£14,643
24% of what you bring in
Save up to £2,510
United States
$9,752
16% of what you bring in
Save up to $2,045
Australia
$9,888
16% of what you bring in
Save up to $1,810
United Kingdom breakdown
2025/26 rates. Top rate on your next slice of income is about 40%.
| Income taxUK income tax bands 2025/26, personal allowance 12,570 | £11,432 |
| National Insurance (employee)Class 1: 8% between 12,570 and 50,270, then 2% | £3,211 |
| Total | £14,643 |
United States breakdown
2025 rates. Top rate on your next slice of income is about 12%.
| Federal income tax2025 brackets, standard deduction 15,000 | $5,162 |
| Social Security and Medicare (FICA)6.2% up to the 176,100 wage base, plus 1.45% Medicare | $4,590 |
| State income tax (Texas)This state has no personal income tax on wages | $0 |
| Total | $9,752 |
Australia breakdown
2025-26 rates. Top rate on your next slice of income is about 32%.
| Income tax2025-26 resident rates, tax free threshold 18,200, low income tax offset 100 applied | $8,688 |
| Medicare levy2% of taxable income, phased in between 27,222 and 34,027 | $1,200 |
| Total | $9,888 |
This is only the arithmetic
The full planner asks about your situation, then gives you the steps in order, the deadlines, the forms to file and what to do first.
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