Construction & Manufacturing

Material quantities, construction costs and cutting-plan calculations

Sheet Cutting Optimiser

Powerful tool for planning panel cutting layouts. Minimise offcuts and save material costs.

Popular

Timber Cutting Calculator

Enter your available boards and required pieces – the system automatically works out the optimal cutting plan with minimal waste.

Tile Calculator

Accurately calculate the number of tiles needed for floors or walls, including grout lines and material allowance.

Wallpaper Calculator

Calculate rolls and drops with pattern repeat, then view hanging and cutting plans.

Flooring Calculator

Calculate the quantity of tiles, hardwood or laminate with a lay pattern visualiser – Straight, Offset, Diagonal and Herringbone methods.

Paint Calculator

Work out wall and ceiling area, deduct doors and windows, and estimate litres by coverage, coats and allowance.

Underfloor Heating Pipe Calculator

Estimate wet underfloor heating pipe length and loops, then view a proportional spiral or serpentine layout.

Concrete Calculator

Estimate concrete volume, weight, waste allowance and bag quantities for slabs, footings, columns, piles and stairs.

Concrete Mix Ratio Calculator

Work out cement, sharp sand, coarse aggregate and water for a known concrete volume.

Roof Pitch Calculator

Calculate roof angle, percentage pitch, rafter length, ridge rise and roof covering area.

House Building Cost Calculator

Estimate materials, labour, systems, finishes and the contingency budget.

Tax & Pay

VAT calculations for net, tax and gross prices

VAT Calculator 2026

Add or remove UK VAT at 20%, 5% or 0% and see the net, tax and gross amounts.

Homes & Finance

Investments, buying or renting, loans and currency calculations

Split expenses calculator

Split group costs fairly and see exactly who owes whom.

Compound Interest Calculator

Project investment growth with monthly contributions, inflation and an adjustable tax estimate.

Buy or Rent Calculator

Compare a UK mortgage, rent, home equity and estimated wealth over time.

Remortgage Calculator

Calculate a new mortgage payment, switching costs, saving and break-even point.

Loan Refinance Calculator

Compare a current loan with a new rate, term, fees and full remaining cost.

Debt Consolidation Calculator

Compare several debts with one payment without hiding the total cost.

Currency Converter

Convert pounds, euros, dollars and other currencies using current ECB reference rates.

Health & Everyday Life

Calories, BMI, age, pregnancy, percentages and date calculations

Age Calculator

Your exact age in years, months and days.

BMI Calculator

Calculate body mass index and see the corresponding BMI category.

Calorie Calculator

Daily calories, BMR, TDEE and macros for weight loss, maintenance or muscle gain.

Pregnancy Calculator

Estimate the due date and key stages of pregnancy.

Percentage Calculator

Calculate percentages, change, increases, discounts and original values.

Days Between Dates Calculator

Count calendar days, weekdays, weekends and the exact duration.

How Many Days Until...?

Live countdowns to Christmas, New Year, Easter and summer.

Energy

Solar and home-energy planning tools

Solar Panel Calculator

Estimate system size, panel count, cost, SEG income and payback for a UK home.

Solar Battery Calculator

Estimate home battery size, cost, savings, payback and backup time.

Appliance Electricity Cost Calculator

Calculate appliance kWh and running cost per hour, month and year.

Transport

Travel costs, tyre sizes, motorcycle gearing, fuel and EV charging calculations

Travel expense tracker

Keep track of your holiday spending, from the first booking to the journey home.

Fuel Cost Calculator

Calculate journey cost, real consumption and distance for a budget.

Tyre Size Calculator

Compare tyre diameter, circumference, ground clearance and speedometer difference.

Motorcycle Sprocket Calculator

Compare final-drive ratio, theoretical wheel torque, road speed and engine RPM.

EV Charging Calculator

Calculate charging time, cost, kWh and miles added between two battery levels.

Tools

QR codes, passwords, documents and invoice generators

QR Code Generator

Create customised QR codes and download PNG or SVG files.

Password Generator

Create strong, random and memorable passwords locally in your browser.

European Repair Information Form

Complete a repair offer, preview the A4 form and download a PDF.

Proforma Invoice Generator

Create a professional proforma invoice, preview the A4 document and download a PDF.