All Calculators

Calculate stamp duty land tax (SDLT) or land and buildings transaction tax (LBTT) on your property purchase.

Calculate your UK income tax for the 2026-27 tax year with England/Wales or Scotland tax bands.

Calculate your UK take-home pay after income tax, National Insurance, pension, and student loan deductions.

Calculate your monthly mortgage repayments based on property price, deposit, interest rate, and term.

Add or remove VAT at standard, reduced, or zero rates for UK goods and services.

Calculate your monthly student loan repayment based on your salary and loan plan.

Project your combined state and workplace pension value at retirement.

Compare ISA types and project compound growth on your tax-free savings.

Calculate UK capital gains tax on investments, property, and other assets.

Estimate UK inheritance tax with nil-rate bands, residence relief, and taper.

Calculate Land and Buildings Transaction Tax on your Scottish property purchase.

Calculate Land Transaction Tax on your Welsh property purchase.

Calculate your Body Mass Index and weight category

Calculate your Total Daily Energy Expenditure

Calculate your daily protein, carbs, and fat targets

Plan your weight loss timeline with a daily calorie target

Calculate your daily protein needs based on weight, activity level, and goals

Estimate your one-rep max from submaximal lift data

Estimate your body fat percentage using the US Navy method

Calculate your estimated due date from your last menstrual period or conception date

Calculate volume and cement bags for your concrete project

Calculate how much paint you need for your room

Calculate how many packs of flooring you need

Calculate rolls needed including pattern repeat waste

Calculate panels, posts, and postcrete bags for your fence

Calculate tonnage of aggregate for your project

Calculate tiles needed with wastage allowance

Calculate boards and joists for your deck

Calculate percentages, changes, and more

Calculate your exact age in years, months, and days

Calculate tip and split the bill between people

Calculate the exact difference between two dates in days, weeks, months, and years

Convert time between world time zones with automatic DST handling

Convert between units of length, weight, temperature, volume, and speed

Calculate sale prices, savings, and stacked discounts

Convert between cups, tablespoons, teaspoons, ml, grams, and more