Fast, accurate calculators for everyday decisions

Estimate monthly mortgage payments, total interest, and how overpayments shorten your term.

Work out monthly installments, total interest and total repayment for any personal loan.

See how deposits and monthly contributions grow with compounding over years.

Find out how long it takes to reach a savings goal with your monthly contribution and expected return.

Calculate simple (non-compounding) interest from principal, rate and time.

Project your retirement pot from current savings, monthly contributions and expected return.

See how long it takes to clear a credit card or loan and the total interest paid.

Estimate car finance monthly payments from price, down payment, trade-in and rate.

Estimate the home price you can afford using the classic 28/36 DTI rule.

See your net monthly and annual pay after Income Tax, National Insurance, pension and student loan.

Calculate your Body Mass Index in metric or imperial, with WHO category and healthy weight range.

Estimate daily calorie needs based on activity level and goal, with macro breakdown.

Calculate your Basal Metabolic Rate using the Mifflin-St Jeor equation.

Estimate your due date, current week and trimester from your last period.

Add or remove VAT at any rate. UK 20%, common EU rates, or custom.

Work out the tip, total bill and per-person share in seconds.

Answer the three most common percentage questions instantly, with live results.

Work out the sale price and money saved after a percentage discount, with optional tax.

Calculate exact age in years, months and days, with a countdown to your next birthday.

Find the difference between two dates in days, weeks, months and years.