Contractor Calc Pro is an overall app developed by ZIma Logistics LLC.
Download Statistics
User Ratings
Contractor Calc Pro is rated 5.00 out of 5 stars. The rating is based on one rating ratings.
App Information
Contractor Calc Pro is FREE to download. The APK download size is 4.20 MB. The latest version available is 1.2.3. The last update was on May 23, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play March 2026.
Description
Stop juggling spreadsheets on the jobsite. Contractor Calc Pro puts 20 essential construction calculators in your pocket — instant material estimates with real costs.
UNLOCK PRO ($4.99 one-time — no subscription, ever) - Gutter & Downspout — SMACNA sizing from roof area + rainfall - Insulation R-Value — IRC 2021 requirements by climate zone - Deck Materials — full BOM: boards, joists, posts, hardware, footings - Rebar Calculator — slab, footing & wall modes with cut list - Chimney & Flue — NFPA 211 flue sizing + materials - Septic System — tank, drain field & trench sizing by soil type - Spray Nozzle — GPA application rate + tank mix volumes - Board Feet — lumber volume and cost by species - Framing — stud count, plates, king/jack/cripple studs - Concrete — slab & pier volume, cubic yards, 60/80 lb bag counts - Roof Pitch — rafter length from pitch or angle - Roof Area — sloped surface from building footprint - Shingle Estimator — squares, bundles, underlayment, ridge cap - Hip/Valley Rafter — hip run, rafter length, jack common difference - Crown Moulding — compound miter angles for flat & nested cuts - Paint — gallons + primer from room dimensions - Fence — posts, pickets, rails & concrete for any fence run
BUILT FOR THE JOBSITE - Fraction input — type 5 1/2, 5' 6-1/2", or decimals - Set your own material prices in Settings for accurate local estimates - Save calculations by job name — recall them anytime - Export professional PDF estimates to share with clients - Tap & Drill favorites — pin the sizes you use most - 100% offline — no account, no tracking, no data collection
One payment. No subscription. No ads. Your data never leaves your device.
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.