Home project calculators that actually know what you need

Calculators

4 tools

How many gallons do I need?

Walls + ceiling + trim, primer logic, sheen, multi-room, cost-by-tier, and a supplies checklist.

Square footage + material cost

Measure once, order once. Accounts for waste, pattern, and plank orientation.

Exact tile count with waste factor

Floor, walls, or backsplash. Handles any tile size, plus grout and thinset.

DIY vs. hire-a-pro

Typical national ranges for common repairs, with honest DIY difficulty.

1 tool

7-question quiz

Quick gut-check on whether your project is safe to DIY - or worth calling a pro.

Kablan is like texting a handyman who sees your issue and walks you through the fix - tools, materials, and every step.