AVS Construction Calculator

Every calculator free. No account, no ads, nothing sent anywhere. Works with the phone in aeroplane mode on any site.

Fourteen calculators for people who build things. Open one, type the numbers you measured, read the answer.

Works offline. No account, no sign-up, no ads, and no in-app purchases.

MATERIALS AND VOLUME Concrete Quantities — slabs and post holes Gravel — depth and area to tonnes Soil — beds and fill by volume Asphalt — area and depth to tonnes Decking — boards, gaps and total lineal metres

FRAMING AND LAYOUT Stairs — rise, going, base length and stringer Raked Walls — stud lengths up a sloping top plate Baluster Spacing — even gaps with a full set-out table Equal Spacings — split any run into equal parts Running Measurements — set out from one datum Check Square — 3-4-5 and diagonals

ANGLES AND LEVELS Pitch — degrees, ratio, percent and rise per metre Triangles — solve any triangle from what you know Dumpy Level — reduce levels from staff readings

METRIC OR IMPERIAL Pick your system when you first open the app and switch any time from the top of any calculator. Feet, inches and fractions are typed the way you say them. Choose whole numbers, one decimal or two.

BUILT FOR A SITE Most screens recalculate as you type A diagram on every calculator shows what each number means Share any result as plain text to Messages, Mail or WhatsApp Large figures and high contrast for gloved hands and bright sun

SET UP IN THIRTY SECONDS Tell the app your trade and the jobs you do. The calculators you need sit at the top of the home screen. Search finds the rest.

PRIVACY The app has no network code. Nothing leaves your phone, because there is nowhere for it to go.

Carpenters, concreters, builders, landscapers, roofers, and anyone doing the job at home for the first time.

Questions, or a calculator you want added: products.avsvishal@gmail.com