Ad Spend Calculator

Step-by-Step Guide

1. 1Choose a Calculation Mode: Select CPC, CPM, CPA, ROAS, ROI, Revenue Goal, or Custom Budget depending on which inputs you already know.
2. 2Select Your Currency: Choose from 16 supported currencies including USD, EUR, GBP, INR, BDT, SAR, AED, and more.
3. 3Try a Platform Preset (Optional): Click Google Ads, Facebook Ads, TikTok Ads, LinkedIn Ads, or Amazon Ads to instantly load realistic average CPC benchmarks for that platform.
4. 4Enter Your Known Values: Type the clicks, impressions, conversions, revenue goal, ROAS, or ROI relevant to your selected mode. Results update instantly with a 150ms debounce.
5. 5Set Advanced Options (Optional): Expand Advanced Options to set campaign duration, override the daily or monthly budget directly, or add tax, management fee, and buffer percentages.
6. 6Review Daily, Weekly, and Monthly Budget: Check the Recommended Total Budget (including any buffer, fee, and tax) and how it breaks down across your campaign timeline.
7. 7Compare, Export, or Share: Use Compare as A/B to evaluate two budgeting scenarios side by side, export as CSV or JSON, print a formatted report, or copy a shareable URL with your exact inputs.

Key Features

• ✓7 calculation modes: CPC, CPM, CPA, ROAS, ROI, Revenue Goal, Custom
• ✓16 supported currencies with proper symbol formatting
• ✓Real-time results with 150ms debounced updates
• ✓Platform presets for Google, Facebook, TikTok, LinkedIn, and Amazon Ads
• ✓Daily, weekly, and monthly budget breakdown
• ✓Optional tax, management fee, and buffer percentage layering
• ✓Daily or monthly budget override for direct planning
• ✓Projected revenue, profit, ROAS, and ROI for goal-based modes
• ✓Formula and calculation breakdown shown for every result
• ✓Compare-as-A/B scenario comparison mode
• ✓Shareable calculation URL using query parameters
• ✓Export report as CSV or JSON with full breakdown
• ✓Print-ready formatted report
• ✓Copy full report to clipboard in one click
• ✓Calculation history — save and reload up to 20 past budgets
• ✓No signup required — 100% free to use
• ✓All processing runs locally — no data leaves your browser

Pro Tips

• 💡Always include a buffer percentage (10% is a reasonable default) to account for CPC and CPM fluctuations during an active campaign — auction-based pricing rarely stays perfectly flat over a full flight.
• 💡Use ROAS mode when you think in terms of revenue multiples ('every dollar spent should return five') and ROI mode when you think in terms of profit percentage ('this campaign should return 150% on top of its cost') — they express the same underlying economics differently, and using whichever matches your team's reporting language avoids confusion.
• 💡When quoting a client, always show both the base ad spend and the Recommended Total Budget including fees and tax — presenting only the raw platform spend figure without disclosed fees is a common source of billing disputes.
• 💡Use the daily or monthly budget override fields when a platform enforces its own budget pacing rules that don't divide evenly across your campaign duration, rather than forcing the calculator's default division.
• 💡Recalculate your budget whenever your average CPC, CPM, or CPA shifts meaningfully during a live campaign — a budget planned against week-one costs can become significantly under- or over-funded by week four.

Common Mistakes to Avoid

• ✕Don't use industry-average CPC or CPM benchmarks without adjusting for your specific audience, geography, and competition level — the platform presets in this tool are realistic starting points, not guarantees for your account.
• ✕Don't confuse ROAS and ROI when communicating budgets to stakeholders. A 5x ROAS and a 400% ROI describe the same economics ($5 revenue per $1 spent, or $4 profit per $1 spent), but stating the wrong one can badly mislead a budget conversation.
• ✕Don't forget to account for management fees and tax when your recommended budget will actually be invoiced to a client — quoting only the raw ad spend figure creates a mismatch between projected and actual costs.
• ✕Don't divide a total budget evenly across every day of a campaign without considering real-world pacing — many advertisers front-load spend during a launch period and taper off, rather than spending a perfectly flat daily amount.
• ✕Don't set Revenue Goal mode's average order value using your absolute average across all products if you're running a campaign for a specific product line — use the AOV specific to what the campaign is actually promoting.