Free Construction & Interior Design Calculators

Built for homeowners, architects, and contractors working across measurement systems and currencies on every project.

Convert inches to centimeters and back instantly ideal for furniture sizing, window and door dimensions, and reading international drawings.

Live, real-time currency conversion across major world currencies useful for budgeting imported materials, fittings, and international project costs.

Convert land area between acres, square feet, square yards, square meters, and guntha — built for plot sizing and site planning in India.

Work out area coverage or material volume for concrete, screed, plaster, and flooring using thickness with reverse calculation too.

Same coverage calculation in feet and inches for concrete, aggregate, and flooring quantity planning on site.

Tools & Calculators