400+ Construction Calculators
in your pocket.
The ultimate construction calculator for site engineers. Instantly compute quantities, volumes, and complex conversions directly in your mobile browser.
The Calculation Engines
Four distinct modules built for site accuracy.
Quantity Engine
Instantly calculate precise brick, cement, and steel requirements for any structural element.
Volume Engine
Execute exact cubic estimations for concrete pours, excavation, and footing parameters.
Area Engine
Map out floor plans, plastering limits, and painting coverage without missing a square foot.
Site Converter
Stop Googling conversions. Instantly shift between metric, imperial, and local site units.
Your site data belongs to you. 100% offline.
No mandatory logins. No cloud subscriptions. Griham saves every BOQ and calculation directly to your device's local storage. Engineered to work perfectly in basements, remote sites, and dead zones.
- True Offline Mode (Zero internet required)
- Instant Local Storage
- 100% Data Privacy (Data never leaves your phone)
Retaining Wall - Sector 4
Concrete Volume • Today, 2:45 PM
42.5 m³
On DeviceNorth Wing Slab
Steel Reinforcement • Yesterday
1,240 kg
Basement Footing
Excavation • Jun 25
180 m³
Built for the mud. Instantly accessible.
Bypass the App Store. Griham runs directly in your mobile browser with instant caching. Bookmark it to your home screen and calculate at the speed of thought.