Free UK financial calculators that load instantly, work on any device, and explain the maths in plain English. No signup. No data stored.
The calculators people search for most. Updated for the 2026/27 tax year.
Add VAT, remove VAT, reverse VAT. Standard 20% and reduced 5% rates. Instant results.
SDLT for England and Northern Ireland. First-time buyer relief, additional property surcharge.
See exactly how much interest and time you save with monthly overpayments.
19 free UK financial calculators. Updated for 2026/27.
Statutory redundancy based on age, service length and weekly pay cap.
Savings and investment growth with monthly contributions and compounding.
HMRC approved rates for cars, motorcycles and bicycles. Tax relief calculator.
IHT estimator with nil-rate band, residence relief and spouse transfer.
Property and assets. Annual exempt amount, residential vs non-residential rates.
Dividend allowance and tax at basic, higher and additional rates.
See your tax and NI savings from pension salary sacrifice contributions.
Project your pension pot and estimate your retirement income.
Plan 1, 2, 4, 5 and postgraduate. Monthly repayments and time to clear.
Income tax, Class 2 and Class 4 NI. Effective rate and take-home profit.
Compare petrol, diesel and EV running costs per journey and per year.
Statutory annual leave for full-time, part-time and irregular hours workers.
How purchasing power has changed over time using historic UK CPI data.
SMP, SPP and maternity allowance week by week. 2026/27 rates.
Should you register for VAT? Turnover projections and threshold tracking.
Self-assessment instalment payments, due dates and balancing payment.
UK salary and take-home pay calculators. Full PAYE, NI and student loan engine. Updated for 2026/27.
Plain-English explanations of how UK tax, property and employment rules actually work.
Standard, reduced and zero rates. What's exempt and what's not.
All regions, all buyer types. What you pay and when.
Overpay vs save vs invest. The real numbers for 2026.
Statutory minimums, tax treatment, and what to expect.
Pro rata calculation, bank holidays, and common mistakes.
Property, shares, crypto. What you owe and how to reduce it.
How pump prices work, fuel duty rates, and EV savings.
SMP, SPP and shared parental leave rates for 2026/27.
CPI vs RPI, purchasing power, and what it means for your money.