Mortgage, income tax, savings, pensions and more — with the local rules, currency, and tax bands baked in for Ireland, the UK, and the US. No signup required.
Local tax bands, pension rules, and regulations are baked into each country's calculators. Pick yours to start with the right defaults.
Ireland
42 calculators · EUR
United Kingdom
29 calculators · GBP
United States
29 calculators · USD
Every calculator is built on the formulas and rates used by the local tax authority. Universal tools (mortgage, savings, loans) work in every market; tax tools are tuned per country.
Property & Mortgage
Affordability, repayments, overpayments, yields, and stamp duty (Ireland).
Tax & Income
Net pay, marginal rates, and country-specific income-tax rules.
Savings & Investment
Compound interest, savings goals, lump sum vs DCA, inflation, emergency funds.
Pensions & Retirement
Project pension fund growth, drawdown longevity, and tax relief on contributions.
Loans & Debt
Personal loans, car finance, credit-card payoff, debt-snowball strategy, APR comparison.
Business & Everyday
VAT, margin/markup, break-even, percentages, tip splits, fuel and electricity costs.
A practical Q&A on the maximum mortgage you can get in Ireland in 2026 — the 4× and 3.5× income multipliers, the 90% LTV deposit rule, the lender stress test, and which constraint actually binds at your salary level.
Ireland's pension tax relief is capped by both your age and an earnings limit. Here's how the age-related percentage bands work in 2026, the €115,000 earnings cap, marginal-rate relief, and what really gets you the maximum tax saving.
Carry forward lets you contribute more than the £60,000 annual pension allowance in a single tax year by using unused allowance from the previous three years. Here's exactly how it works in 2026/27, who qualifies, and how the tapered allowance changes the maths.
UK Capital Gains Tax on share disposals in 2026/27 — the £3,000 annual exempt amount, the 18% / 24% rates, Section 104 pooling, the 30-day bed-and-breakfasting rule, and how to compute the tax with a worked example.
The 2026 US federal income tax brackets for single and married filers, the standard deduction, and the difference between marginal and effective tax rates.
The 2026 401(k) contribution limits — $24,500 base, $7,500 catch-up at 50, $11,250 super catch-up at 60-63 — plus employer match and Roth 401(k) rules.
