Instant results with official HMRC rates — no signup required.
Income tax, National Insurance & take-home pay for 2025/26
Take-home pay after tax, NI, pension & student loan
Monthly payments, total interest & affordability checks
Body Mass Index & healthy weight range for UK adults
Add or remove VAT at 20% for UK business calculations
SDLT for property purchases in England, Scotland & Wales
Retirement pot, employer contributions & tax relief
Monthly repayments, total interest & amortisation schedule
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Income tax, VAT, capital gains, self-employed & more
🏠Mortgage, stamp duty, buy-to-let & rent calculators
💚BMI, TDEE, BMR, body fat & calorie calculators
🎓Student loans, UCAS points, grades & GPA tools
💼VAT, profit margin, ROI, payroll & corporation tax
📈Savings, investments, loans & retirement planning
🔢Percentage, fractions, scientific & unit converters
🌟Age, date, time, fuel costs & currency converters
Essential tools for everyday UK life.
Daily energy expenditure for weight management
Basal metabolic rate — calories at rest
Estimate body fat % using the US Navy method
Daily calorie needs based on activity level
Compound interest & ISA planning tools
Project long-term growth & returns
Plan 1, 2, 4, 5 & postgraduate repayments
Calculate by band, location & discounts
Quick conversions and time calculations.
Height conversion — feet/inches to centimetres
Temperature conversion between scales
Distance conversion for driving & travel
Weight conversion — stones to kilograms
Add, subtract & calculate time durations
Business days excluding UK bank holidays
Exact age in years, months & days
Days between dates & add/subtract days
In-depth UK financial advice updated for 2025/26.
Complete guide to income tax, NI and personal allowances
PropertyHow to calculate payments and find the best UK rates
HealthUnderstanding BMI and healthy weight ranges for UK adults
Browse our complete collection of UK financial guides and articles
All tax calculators use official 2025/26 HMRC rates, thresholds and allowances
All calculations run locally in your browser — we never store your data
Professional-grade calculators with detailed breakdowns — no signup needed
Fully responsive design that works on any phone, tablet or desktop
Tax, salary, mortgage, BMI, VAT and hundreds more — all free, all updated for 2025/26.
View All Calculators →Last updated: February 2026 | All rates verified against official HMRC sources