Beautiful spaces begin with better numbers.
Plan decorative walls and specialty finishes with free, easy-to-understand calculators. Make sense of area, material coverage, packaging and budgets before you buy.
Tools for thoughtful projects
Every calculator has its own purpose, transparent formulas and flexible inputs you can replace with your actual product information.
Microcement Material Calculator
Calculate base coats, finish layers, full bag quantities and purchasing costs for a microcement project.
Use calculatorLimewash Paint Calculator
Estimate gallons, coats, purchase containers and cost for decorative limewash paint.
Use calculatorRoom Wall Area Calculator
Calculate net surface after subtracting windows and doors in US or metric measurements.
Use calculatorVenetian Plaster Calculator
Plan decorative plaster usage by layer with realistic whole-pack purchasing.
Use calculatorRenovation Project Cost Calculator
Build a transparent estimate of decorative wall project materials, labor and contingency.
Use calculatorBrick Limewash Calculator
Adjust limewash quantities for brick surface absorption and calculate full purchase containers.
Use calculatorMake every measurement count.
Estimate with the details that matter.
Different coatings need different calculations. Use independent rates for base coats, finishes and protective products, then round up to the packaging your supplier actually sells.
- Edit coverage and consumption from your product data sheet.
- Choose US customary or metric measurements.
- Account for layers, waste, package size and prices.
- Save in your browser and export your results as CSV.
Understand the numbers
Learn how measurements, coverage figures and ordering decisions affect your project.
How to Measure Walls Before Ordering Decorative Finishes
Measure rectangular and irregular walls, openings, reveals and ceilings for a more useful plaster or paint estimate.
Read guide →How to Read Paint and Decorative Plaster Coverage Rates
Learn why per-coat yield, substrate porosity and package units affect your paint or plaster purchasing estimate.
Read guide →How to Plan Material Waste and Whole-Package Orders
A practical approach to allowances, package rounding, leftovers and comparing material supply options.
Read guide →Already know your room size?
Turn the measurements into a practical materials list using your product specifications.