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99+ calculators optimised for UK standards — HMRC tax bands, metric units, NHS health guidelines, and GBP financial calculations.
Calculate monthly repayments, interest, and LTV for UK mortgages with stamp duty estimates.
Estimate HMRC income tax and National Insurance contributions across UK tax bands.
Plan your workplace or private pension with auto-enrolment contributions and state pension age.
Check your Body Mass Index using NHS-standard categories and healthy weight ranges.
Calculate Stamp Duty Land Tax (SDLT) for property purchases in England and Northern Ireland.
Add or remove 20% VAT from prices. Supports standard, reduced (5%), and zero rates.
Kilograms, metres, litres, Celsius — UK metric standards with imperial alternatives.
Personal Allowance, Basic (20%), Higher (40%), Additional (45%) tax rates for 2024/25.
Health calculators follow NHS clinical standards and NICE recommendations.
Personal Allowance 2024/25
£12,570
Earn up to this amount tax-free
State Pension Age
66 years
Rising to 67 between 2026–2028
Stamp Duty Threshold
£250,000
No SDLT on first £250k (standard rate)
VAT Standard Rate
20%
Reduced rate 5% on some goods