Paint Calculator

Calculate exactly how much paint you need for any room or project. Get accurate estimates for paint coverage, costs, and materials including primer, brushes, and supplies.

🏠 Room Setup

πŸ“ Room Dimensions

πŸšͺ Doors & Windows

🎨 Paint Options

🎨 Paint Properties

πŸ’° Cost Estimates

🎨 Paint Calculation Results

Total Area
0
square feet
Paint Needed
0
gallons
Primer Needed
0
gallons
Total Cost
$0
materials only

πŸ“Š Detailed Breakdown

Surface Area (sq ft) Paint Needed Cost

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πŸ€– Choose Your AI Assistant

πŸ’¬ ChatGPT
Most versatile β€’ Best for paint color recommendations
β†’ chat.openai.com
🧠 Claude
Best reasoning β€’ Perfect for project planning
β†’ claude.ai
✨ Gemini FREE
Free daily limits β€’ Built-in painting guidance
β†’ Built-in below
🌟 Choose the best AI for your painting project needs |
`; printWindow.document.write(printContent); printWindow.document.close(); printWindow.print(); } // Show OTA section function showOTA() { const otaContainer = document.getElementById('otaContainer'); if (otaContainer && (otaContainer.style.display === 'none' || !otaContainer.style.display)) { otaContainer.style.display = 'block'; setTimeout(() => { const otaHeader = document.querySelector('.ota-header h3'); if (otaHeader) { otaHeader.style.animation = 'pulse 1s ease-in-out'; } }, 100); } } // AI Assistant Functions function openAIModal() { const modal = document.getElementById('aiModal'); modal.classList.add('show'); if (aiModalState.apiKey && aiModalState.currentView === 'gemini') { showGeminiChat(); } else { showAISelector(); } updateAPIKeyStatus(); } function closeAIModal() { const modal = document.getElementById('aiModal'); modal.classList.remove('show'); setTimeout(() => { aiModalState.currentView = 'selector'; showAISelector(); }, 300); } function showAISelector() { document.getElementById('aiModalTitle').textContent = 'Choose Your AI Assistant'; document.getElementById('aiSelector').style.display = 'flex'; document.getElementById('geminiChat').style.display = 'none'; document.getElementById('apiKeySetup').style.display = 'none'; aiModalState.currentView = 'selector'; } function showGeminiChat() { document.getElementById('aiModalTitle').innerHTML = '✨ Gemini AI Assistant'; document.getElementById('aiSelector').style.display = 'none'; document.getElementById('geminiChat').style.display = 'flex'; document.getElementById('apiKeySetup').style.display = 'none'; aiModalState.currentView = 'gemini'; const chatMessages = document.getElementById('chatMessages'); if (!chatMessages.innerHTML.trim()) { addMessage('assistant', `Hello! I can help you with: β€’ Paint color selection and matching β€’ Surface preparation techniques β€’ Paint type recommendations β€’ Application tips and techniques β€’ Cost optimization strategies β€’ Troubleshooting paint problems What painting question can I assist you with?`); } } function showAPIKeySetup() { document.getElementById('aiModalTitle').textContent = 'Setup Gemini API'; document.getElementById('aiSelector').style.display = 'none'; document.getElementById('geminiChat').style.display = 'none'; document.getElementById('apiKeySetup').style.display = 'block'; aiModalState.currentView = 'setup'; } function selectAI(aiType) { switch(aiType) { case 'chatgpt': const toolContext = `I need help with paint calculations and home painting using the Paint Calculator tool. This is a home improvement utility on WIA Code platform with room measurement and paint estimation features.`; const chatUrl = `https://chat.openai.com/?q=${encodeURIComponent(toolContext)}`; window.open(chatUrl, '_blank'); closeAIModal(); trackEvent('ai_selection', { ai_type: 'chatgpt' }); break; case 'claude': const claudeContext = `I need help with paint calculations and home painting using the Paint Calculator tool. This is a home improvement utility on WIA Code platform with room measurement and paint estimation features.`; const claudeUrl = `https://claude.ai/chat?q=${encodeURIComponent(claudeContext)}`; window.open(claudeUrl, '_blank'); closeAIModal(); trackEvent('ai_selection', { ai_type: 'claude' }); break; case 'gemini': if (!aiModalState.apiKey) { showAPIKeySetup(); } else { showGeminiChat(); } trackEvent('ai_selection', { ai_type: 'gemini' }); break; } } function saveGeminiApiKey() { const apiKey = document.getElementById('geminiApiKeyInput').value.trim(); if (apiKey) { localStorage.setItem('geminiApiKey', apiKey); aiModalState.apiKey = apiKey; showGeminiChat(); updateAPIKeyStatus(); } else { alert('Please enter a valid API key'); } } function updateAPIKeyStatus() { const statusEl = document.getElementById('apiKeyStatus'); if (aiModalState.apiKey) { statusEl.innerHTML = 'Change API Key'; } else { statusEl.textContent = 'No API key set'; } } function addMessage(type, content) { const chatMessages = document.getElementById('chatMessages'); const messageDiv = document.createElement('div'); messageDiv.className = `message ${type}`; if (type === 'user') { messageDiv.innerHTML = `You: ${content}`; } else { messageDiv.innerHTML = `✨ Gemini:
${content.replace(/\n/g, '
')}`; } chatMessages.appendChild(messageDiv); chatMessages.scrollTop = chatMessages.scrollHeight; } async function sendToGemini() { const input = document.getElementById('geminiInput'); const message = input.value.trim(); if (!message) return; addMessage('user', message); input.value = ''; const loadingMsg = document.createElement('div'); loadingMsg.className = 'message assistant'; loadingMsg.innerHTML = '✨ Gemini:
Thinking...'; loadingMsg.id = 'loading-message'; document.getElementById('chatMessages').appendChild(loadingMsg); try { const contextData = paintState.calculations ? { totalArea: paintState.calculations.totalArea, paintNeeded: paintState.calculations.paintNeeded, totalCost: paintState.calculations.totalCost, roomCount: paintState.rooms.length } : {}; const response = await fetch(`https://generativelanguage.googleapis.com/v1beta/models/gemini-pro:generateContent?key=${aiModalState.apiKey}`, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ contents: [{ parts: [{ text: `Context: User is using Paint Calculator tool on WIA Code platform. Current project data: ${JSON.stringify(contextData)} Calculator provides comprehensive paint estimation for home projects User question: ${message}` }] }], generationConfig: { temperature: 0.7, maxOutputTokens: 1000 } }) }); const data = await response.json(); document.getElementById('loading-message').remove(); if (data.candidates && data.candidates[0] && data.candidates[0].content) { const reply = data.candidates[0].content.parts[0].text; addMessage('assistant', reply); } else { addMessage('assistant', 'Sorry, I could not generate a response. Please try again.'); } } catch (error) { document.getElementById('loading-message')?.remove(); if (error.message.includes('API key')) { addMessage('error', 'Invalid API key. Please check your API key and try again.'); showAPIKeySetup(); } else { addMessage('error', 'Failed to connect to Gemini. Please check your internet connection and try again.'); } } } // Utility functions function showNotification(message, type = 'success') { const toast = document.createElement('div'); toast.className = `toast ${type}`; toast.textContent = message; document.body.appendChild(toast); setTimeout(() => { toast.remove(); }, 3000); } function trackEvent(eventName, data = {}) { if (typeof gtag !== 'undefined') { gtag('event', eventName, { 'event_category': 'business', 'event_label': 'Paint Calculator', ...data }); } } async function updateToolCount() { try { const response = await fetch('/api/tool-count.php'); const data = await response.json(); document.querySelectorAll('.dynamic-tools-count').forEach(el => { el.textContent = `${data.count}+ free online tools in 206 languages. No signup, no fees, just tools that work.`; }); document.querySelectorAll('.dynamic-count').forEach(el => { const prefix = el.getAttribute('data-text') || ''; const suffix = el.getAttribute('data-suffix') || ''; const icon = el.textContent.split(' ')[0] || ''; el.textContent = `${icon} ${prefix} ${data.count}+ ${suffix}`; }); } catch (error) { const fallbackCount = 333; document.querySelectorAll('.dynamic-tools-count').forEach(el => { el.textContent = `${fallbackCount}+ free online tools in 206 languages. No signup, no fees, just tools that work.`; }); document.querySelectorAll('.dynamic-count').forEach(el => { const prefix = el.getAttribute('data-text') || ''; const suffix = el.getAttribute('data-suffix') || ''; const icon = el.textContent.split(' ')[0] || ''; el.textContent = `${icon} ${prefix} ${fallbackCount}+ ${suffix}`; }); } } function updateCurrentYear() { const currentYear = new Date().getFullYear(); document.querySelectorAll('.current-year').forEach(el => { el.textContent = currentYear; }); } // Event listeners document.addEventListener('DOMContentLoaded', function() { // AI button event document.getElementById('aiBtn').addEventListener('click', openAIModal); // Modal outside click document.getElementById('aiModal').addEventListener('click', function(e) { if (e.target === this) { closeAIModal(); } }); // Keyboard support document.addEventListener('keydown', function(e) { if (e.key === 'Enter') { const geminiInput = document.getElementById('geminiInput'); if (document.activeElement === geminiInput) { sendToGemini(); } } else if (e.key === 'Escape') { closeAIModal(); } }); // Input validation const measurementInputs = document.querySelectorAll('.measurement'); measurementInputs.forEach(input => { input.addEventListener('input', function() { if (this.value < 0) this.value = 0; }); }); const currencyInputs = document.querySelectorAll('.currency'); currencyInputs.forEach(input => { input.addEventListener('input', function() { this.value = this.value.replace(/[^0-9.]/g, ''); }); }); updateAPIKeyStatus(); updateCurrentYear(); updateToolCount(); }); // Analytics window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-XXXXXXXXX'); trackEvent('page_view', { tool: 'Paint Calculator', category: 'business' });

πŸ’‘ Professional Painting Tips

πŸ“
Accurate Measurements
Measure each wall separately and subtract door/window areas. Add 10% extra paint for touch-ups and future maintenance.
🎨
Quality Paint Coverage
Higher quality paints typically cover more area per gallon and require fewer coats, often making them more economical.
πŸ–ŒοΈ
Primer is Essential
Always use primer when painting over dark colors, new drywall, or switching paint types. It ensures better coverage and color accuracy.
⏰
Proper Drying Time
Allow proper drying time between coats (usually 2-4 hours). Rushing this step can result in poor finish and coverage.
🧽
Surface Preparation
Clean walls, fill holes, and sand rough spots before painting. Proper prep work is 80% of achieving professional results.
πŸ’°
Budget Planning
Paint typically costs 15-30% of a professional painting job. Factor in brushes, rollers, drop cloths, and other supplies.