Media Puppies
Free marketing tools
Seventeen calculators we built because we needed them ourselves. Every one runs entirely in your browser — nothing you type is sent to us, stored, or attached to an email address.
Use them, screenshot them, put them in a deck. If they are useful, a link back is welcome but not required.
Built for the Indian market
COD vs prepaid profit calculator
What cash on delivery actually costs once RTO, two-way shipping and COD fees are counted.
Open →Marketplace payout calculator
What actually reaches your bank from an Amazon, Flipkart or Meesho order, using your own category rates.
Open →GST on ad spend calculator
What 18% GST does to your real marketing cost, including reverse charge on Meta and Google invoices.
Open →Influencer rate calculator
Turn a creator’s quote into cost per engaged follower, cost per thousand reached, and a break-even check.
Open →Money and unit economics
CAC ceiling calculator
Work out the most you can afford to pay to acquire a customer, based on margin and repeat purchases.
Open →CAC payback period calculator
How many months it takes to earn back what you paid to acquire a customer, and what that means for how hard you can push acquisition spend.
Open →Blended ROAS and MER calculator
Compare what the ad platforms claim against what your bank account shows. Works out blended marketing efficiency and how much revenue the platforms are double-counting.
Open →Contribution margin calculator
What one order actually contributes after cost of goods, shipping, payment fees and returns — and therefore the most you can pay to acquire a customer.
Open →Agency vs in-house cost calculator
The real annual cost of hiring a media buyer versus paying an agency retainer, including the costs people forget: tools, recruitment, cover and downtime.
Open →Churn and retention calculator
Turn a monthly churn rate into average customer lifetime, annual retention and the revenue you lose every year without noticing.
Open →ROAS calculator
Return on ad spend from spend and revenue, plus break-even ROAS and profit after ads once you add your margin.
Open →Break-even ROAS calculator
Work out the return on ad spend you need just to break even, and the ROAS you need to hit a target profit margin. Accounts for margin, shipping, returns and payment fees.
Open →Customer lifetime value calculator
Work out customer lifetime value on gross profit, compare it against what you pay to acquire a customer, and see your LTV to CAC ratio.
Open →Lead funnel calculator
Start from the number of customers you want and work backwards to the leads, clicks and ad budget you need. Shows where the funnel leaks.
Open →Paid media
Meta learning phase calculator
Work out the budget an ad set needs to reach roughly 50 conversions a week and leave the learning phase, and what happens if you split the budget instead.
Open →PPC forecast calculator
Turn an ad budget into clicks, leads and customers using your own cost per click and conversion rates, and see what the result is worth.
Open →Creative volume calculator
How many new ad concepts a month your spend level actually needs, based on how fast creative fatigues at your audience size and frequency.
Open →Reach and frequency calculator
Work out how many people your budget reaches, how often each of them sees the ad, and whether that is too little to register or enough to annoy.
Open →Meta ads budget calculator
Work out the monthly and daily Meta ads budget you need for a target number of leads, and whether that budget is enough to exit the learning phase.
Open →Media math calculator
Enter spend, impressions, clicks and conversions and get CPM, CPC, CTR, CPA and conversion rate at once. Free, no signup.
Open →Ad copy length checker
Check ad text against Meta and Google character limits, including the point where Meta hides the rest behind “See more”.
Open →A/B test sample size calculator
How many visitors each variant needs and how long the test will take at your traffic.
Open →Budget pacing calculator
Are you on track to spend the month’s budget, and what over- or under-pacing is costing you.
Open →A/B test significance calculator
Check whether the difference between two ad or landing page variants is real or noise. Two-proportion z-test with p-value and confidence level.
Open →SEO and tracking
Time zone overlap calculator
How many hours your working day shares with a team or client in another country, and what shift pattern fixes it when the answer is none.
Open →SERP snippet preview
See how your title tag and meta description will look in Google, measured in pixels rather than characters, with a live truncation preview.
Open →UTM campaign URL builder
Build tagged campaign URLs for Google Analytics and any other tool. Lowercases and encodes automatically so your reports do not split.
Open →Lakh and crore converter
Convert between plain numbers and lakh or crore, with Indian digit grouping and the international equivalent. Works both ways.
Open →These numbers say you should be advertising. Now what?
We run Meta and Google campaigns for Indian businesses where one customer is worth real money — and we say no when the numbers do not support it.
Get a free lead plan →