21 Free Tools✓ ATO 2025-26 UpdatedNo Login Required

Free Marketing & Advertising Calculators for Australian Businesses

Running ads in Australia without knowing your numbers is expensive guesswork. Our 21 free marketing calculators give you the data you need to make confident decisions — whether you're managing Google Ads, Facebook campaigns, TikTok spend, or affiliate programs. Calculate your real ROAS, understand customer lifetime value, model break-even ad spend, and benchmark conversion rates. Every tool is free, instant, and requires no account. Built for Australian marketers, agency owners, and eCommerce businesses who need accurate numbers fast.

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Discount & Coupon Impact Calculator

Calculate profit impact of discounts and required sales increase to maintain total profit.

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A/B Testing Significance Calculator

Determine if your A/B test results are statistically significant with confidence levels.

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Ad Bid Calculator

Calculate optimal max CPC bid based on target CPA and conversion rate for Google Ads.

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Customer Lifetime Value (LTV) Calculator

Calculate LTV using AOV, purchase frequency, and lifespan; compare against CAC for e-commerce.

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Video Completion Rate Calculator

Analyze video ad retention metrics including completion rate and drop-off points for TikTok, Meta, and YouTube.

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Affiliate Commission Calculator

Calculate affiliate commission costs, net profit after commission, and ROAS on partner spend for e-commerce.

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Landing Page ROI Estimator

Estimate landing page ROI by modeling conversions, revenue, and costs including per-visitor expenses.

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CPC to CPM Converter

Convert CPC to equivalent CPM based on CTR, estimate reach costs, and assess auction efficiency for Meta/Google ads.

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Landing Page Conversion Calculator

Calculate conversion rate, cost per conversion, revenue, and ROAS for landing pages.

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ROAS Calculator

Return on Ad Spend calculator for campaigns

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CPC / CPM / CTR Suite

Calculate key advertising metrics: Cost Per Click, Cost Per Mille, and Click-Through Rate.

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Customer Lifetime Value (LTV) Calculator

Estimate the total revenue a customer will generate over their relationship with your business.

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Conversion Rate Calculator

Calculate the percentage of visitors who complete a desired action on your website or campaign.

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Ad Spend Predictor

Calculate required advertising budget to achieve a target revenue based on expected ROAS.

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Break-even ROAS Calculator

Calculate gross profit margin and break-even ROAS for advertising profitability.

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Marketing Budget Planner AU

Reverse-engineer revenue goals into monthly ad budget, clicks, and CPA targets for Meta and TikTok.

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Amazon FBA Profit Calculator AU

Calculate Amazon FBA profitability including referral fees, fulfillment, storage, and PPC costs for AU marketplace.

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TikTok Ads ROI Predictor

Predict TikTok ad performance: impressions, clicks, conversions, revenue, ROAS, and ROI based on creative metrics.

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Facebook Ads CPM Calculator

Calculate CPM, CPC, and CTR for Meta ad campaigns to benchmark performance against AU market averages.

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Customer Churn Rate Calculator

Calculate the percentage of customers lost over a period to measure retention health.

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Email Marketing ROI Calculator

Calculate return on investment for email campaigns: (Gain - Cost) / Cost.

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How Australian Marketers Use These Calculators

Marketing without measurement is just spending. These calculators are designed for the real decisions Australian marketers face every day — from deciding whether to increase ad budgets to figuring out if a new customer acquisition channel is actually profitable.

The ROAS Calculator and Break-Even ROAS Calculator are the most popular starting points. Before you scale any campaign, you need to know your break-even point — the minimum return on ad spend that covers your cost of goods and operating expenses. Many businesses are running campaigns at a "positive" ROAS that's still losing them money because they haven't accounted for returns, fulfilment, and overhead.

For eCommerce businesses, the Customer Lifetime Value (LTV) Calculator changes how you think about acquisition. If a customer buys from you three times over their lifetime, you can afford to spend more than the margin on their first order to acquire them. The Churn Rate Calculator helps you understand how quickly you're losing customers — critical for subscription businesses and SaaS products.

Our CPC to CPM Converter and CPC/CPM/CTR Suite are used daily by media buyers comparing costs across platforms. Google charges per click; Meta and TikTok charge per thousand impressions. Converting between these lets you benchmark efficiency fairly.

The A/B Testing Significance Calculator is especially useful before you call a winner. Many marketers end tests too early, declaring a variant the winner before the result is statistically reliable. This tool calculates whether your result has reached 95% statistical significance — the industry standard before making creative decisions.

Frequently Asked Questions

What is a good ROAS for Australian eCommerce businesses?+

A good ROAS depends on your margins, but most Australian eCommerce businesses target a minimum ROAS of 3-4x. However, your break-even ROAS — the point where ad spend equals profit — should be your starting benchmark. Use our Break-Even ROAS Calculator to find yours before setting campaign targets.

How do I calculate customer lifetime value (LTV) in Australia?+

LTV is calculated by multiplying average order value by purchase frequency and average customer lifespan. For example, if a customer spends $150 per order, buys 3 times per year, and stays a customer for 2 years, their LTV is $900. Our Customer LTV Calculator automates this and lets you model different retention scenarios.

What's the difference between ROAS and ROI in marketing?+

ROAS (Return on Ad Spend) measures revenue generated per dollar spent on advertising only. ROI (Return on Investment) accounts for all business costs including COGS, fulfilment, and overhead. A 4x ROAS sounds healthy but may still mean a negative ROI if your product margins are thin. Always calculate both.

How do I know if my A/B test results are statistically significant?+

Your test is statistically significant when there's less than a 5% chance the result occurred by random chance — expressed as 95% confidence. You need enough traffic and conversions to reach this threshold. Our A/B Testing Significance Calculator tells you whether you've reached significance and how many more conversions you need if you haven't.

Are these marketing calculators relevant for Australian businesses specifically?+

Yes. While the core mathematics (ROAS, LTV, conversion rate) are universal, some tools account for Australian-specific factors like GST-inclusive pricing in cost calculations and AUD currency in ad spend modelling. The Amazon FBA Calculator uses Australian marketplace fees and local fulfilment costs.

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