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Google Ads
Published 2026-09-23
There is no single correct Google Ads budget for a Singapore business. An appropriate budget depends on your target number of customers, the average cost per click for relevant keywords, your landing-page conversion rate, the value of each customer, and how much you can sustain for at least 60–90 days of testing. Rather than starting from a benchmark, work backwards from your business goals using these variables. For a comprehensive guide on calculating your budget, read our complete guide to setting a [Google Ads budget](/services/google-ads) in Singapore.
Four variables drive how much you should spend: 1. **Cost per click (CPC)** — What clicks cost in your category. Legal, finance, and B2B services tend to have higher CPCs. Retail and local services may be lower. Google Ads Keyword Planner shows estimated CPCs for your target keywords. 2. **Conversion rate** — What percentage of clicks become leads or sales. A 2% conversion rate means you need 50 clicks per conversion. A 5% rate means 20 clicks. 3. **Target cost per acquisition (CPA)** — What you can afford to pay per customer. If your margin allows S$100 per acquisition and you need 50 clicks at S$2 each, your daily budget needs to support that math. 4. **Testing runway** — Google Ads needs time to optimise. A budget that runs out in a week does not give the algorithm enough data. Plan for at least 60–90 days of consistent spend before evaluating performance.
Singapore's search market is competitive but concentrated. Google dominates search in Singapore with over 90% market share, which means Google Ads is the primary paid search channel for most businesses. CPCs vary significantly by industry — local service businesses (plumbing, cleaning, renovation) may see CPCs of S$1–S$4, while professional services (legal, accounting, financial advisory) can see CPCs of S$5–S$15 or higher. Singapore's small geographic size means location targeting is less useful than in larger countries — you are effectively targeting a city-state. This concentrates competition.
Instead of picking a round number, work through this: 1. Use Google Ads Keyword Planner to estimate CPCs for your target keywords. 2. Estimate your landing page conversion rate (if unknown, assume 2–3% as a starting point). 3. Calculate: CPC × (1 / conversion rate) = cost per acquisition. 4. Compare this to what you can afford to pay per customer. 5. Set a daily budget that generates enough clicks per day for meaningful data — at least 5–10 clicks daily. 6. Commit to 60–90 days before making major changes. If the math does not work at your current price point, the answer is not necessarily more budget — it may be improving your landing page, offer, or keyword targeting first.
Increase spend when: - You have a profitable CPA sustained over 30+ days - Your conversion rate is stable or improving - You have data on which keywords and audiences perform best Decrease or pause spend when: - You cannot identify why conversions are not happening after 60 days of testing - Your CPA exceeds your break-even point consistently - You have not yet fixed landing page or offer issues Scaling too early — before you understand what is working — is one of the most common mistakes. It is better to learn at S$50/day than to lose S$200/day without insight.
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