How to Calculate Milk Rate Based on FAT and SNF (2026 Rate Chart)

Method 4 — Fixed Rate (most small doodhwalas)

Many milkmen simply agree a flat rate per litre with each customer:

• Gaay ka doodh (cow): ₹55–70/litre, depending on the city
• Bhains ka doodh (buffalo): ₹70–90/litre

No FAT/SNF testing is involved — the rate rests on trust, local market rates and mutual agreement. Choosing between the two animals first? Compare the economics in cow vs buffalo milk business profit.

How to Test FAT and SNF

Testing FAT

• Gerber method — the standard at collection centres. Needs a Gerber centrifuge (₹3,000–8,000), a butyrometer and sulphuric acid.
• Electronic milk analyser — machines such as Lactoscan or Milkotester give instant FAT, SNF and other readings. A basic unit costs ₹15,000–50,000.

Calculating SNF

You can derive SNF from the FAT% and a lactometer reading:

SNF% = (Lactometer Reading ÷ 4) + (0.21 × FAT%) + 0.36

This is the Richmond-formula variation used across Indian dairies. You need:

• A lactometer (₹200–500) to measure milk density
• The FAT% from the test above

Worked example:

• Lactometer reading: 30 (at 27°C, corrected)
• FAT%: 5.0
• SNF = (30 ÷ 4) + (0.21 × 5.0) + 0.36 = 7.5 + 1.05 + 0.36 = 8.91%

Correcting for temperature

Lactometer readings must be corrected for temperature. The standard is 27°C (some states use 20°C):

• For every 1°C above standard: add 0.2 to the reading
• For every 1°C below standard: subtract 0.2 from the reading

Milk FAT SNF Rate Chart 2026 (Buffalo and Cow)

These ready-reference charts use typical 2026 cooperative rates. Your union's exact per-unit rate will differ slightly — the structure is what matters.

Buffalo milk fat rate chart 2026 (at ₹8.00 per FAT unit):

Cow milk fat rate chart 2026 (at ₹9.50 per FAT unit):

Two-axis FAT + SNF rate chart 2026 (at ₹7.00 per FAT unit + ₹3.50 per SNF unit — the Amul-style structure):

Looking for the Amul or Saras fat rate list 2026 PDF? Those official rate circulars are issued by each union to its member societies and change several times a year — there is no single public PDF that stays current. Ask your society secretary for the latest circular, or use the chart logic above with your union's current per-unit rates. For consumer-side market rates across India, see our live milk price heatmap for 62 cities.

Don't want to read a chart every morning? Enter the day's FAT in DudhHisaab and it shows the per-litre rate and the supplier's running monthly total instantly. Download DudhHisaab free on Google Play →

What a 0.5% FAT Drop Really Costs You

It is easy to wave off "half a percent" of FAT. The arithmetic says otherwise — and this is exactly where most doodhwalas quietly lose money without ever seeing it on a bill.

Take a typical mid-size supplier — call him Ramesh, who collects about 60 litres of buffalo milk a day near Mehsana and sells to the local cooperative at ₹8 per FAT unit. Through spring his FAT held steady at 6.8%. By peak summer — green fodder short, animals heat-stressed — it slid to 6.3%, a drop of just 0.5%. Nobody flagged it; the litres on the slip looked the same as always.

That half-percent cost him 0.5 × ₹8 = ₹4 per litre. On 60 litres that is ₹240 a day — about ₹7,200 over the month, gone, on milk he worked just as hard to produce. He only caught it when his month-end payout came up short and he scrolled back through his daily FAT readings and saw the slide.

Half a percent of FAT, on 60 litres, at ₹8 a unit, is ₹7,200 a month. That is not a rounding error — it is a phone bill, a school fee, a real piece of your profit.

Put your own numbers in below and see what a drop on your milk is actually worth:

The lesson is not "panic over every reading" — it is that FAT moves quietly, and the only real defence is recording it every single day so a slide shows up in days, not at month-end. That is exactly what the daily FAT log in DudhHisaab is for. To see where in the chain those readings are taken and how they turn into your payout, read how milk collection centres actually work — and to avoid the other money-leaks on the payments side, see the common mistakes milk suppliers make with customer payments.

How to Increase SNF in Milk

Since every 0.5% of SNF moves the rate by ₹1.50–2.00 per litre under two-axis pricing, raising SNF is real money. SNF comes from the animal's nutrition and health, so the levers are management, not tricks:

• Balance the ration. SNF is mostly protein and lactose, which need energy and protein in the feed. Feed a proper concentrate mix (16–18% crude protein) alongside green and dry fodder — underfed animals give thin, low-SNF milk.
• Add a mineral mixture daily. 50–60 g of a good mineral mixture per animal per day is the single cheapest SNF booster — calcium, phosphorus and trace minerals directly support milk solids.
• Feed bypass protein / oilseed cake. Cottonseed, mustard or groundnut cake raises both FAT and SNF. Bypass-protein feeds work especially well in high-yielding animals.
• Keep clean, unlimited drinking water. Dehydrated animals give less milk and lower solids. Yet never add water to milk — that crashes SNF instantly and the lactometer catches it.
• Deworm and treat mastitis early. Parasites and sub-clinical mastitis quietly pull SNF down by 0.3–0.5%. Regular deworming (every 3–4 months) and udder hygiene protect your solids.
• Mind the season. SNF dips in peak summer from heat stress. Shade, fans and early-morning feeding limit the drop.

Genetics set the ceiling — a Jersey-cross or Murrah buffalo will always out-solid a poor crossbred — but feeding and health decide how close to that ceiling the animal performs. Expect visible SNF improvement in 2–3 weeks after fixing the ration.

State-Wise Milk Rates: What Major Cooperatives Pay

Procurement rates are fixed by each milk union and revised through the year, so treat the figures below as indicative 2026 ranges, not today's exact rate sheet — always confirm with your own society before quoting a price.

The pattern is the same everywhere: richer milk (higher FAT and SNF) earns more, and most large unions add a small seasonal or quality incentive on top. Several state governments also pay a per-litre subsidy straight to the farmer, which is separate from the dairy's FAT-SNF payout.

Common Problems with FAT-Based Pricing

• Milk adulteration. Adding water lowers the FAT%, which is why collection centres test every batch. If you buy from farmers, keep at least a lactometer (₹200) on hand to check density — and learn the simple milk adulteration tests you can run at home to catch water, starch and detergent.
• Seasonal variation. FAT moves with the season — buffalo fat peaks in winter (7–8%) and dips in summer (5.5–6.5%). Your buying costs will swing, so plan for it.
• Disputes over testing. Different machines read slightly differently. Use calibrated equipment and service it regularly.
• Mixed-milk complications. Buying from several farmers with different FAT levels means tracking each supplier separately and working out weighted averages — slow and error-prone on paper.

Track FAT and Rates Automatically with DudhHisaab

DudhHisaab App is a free Android app built for running a milk business in India. Instead of a paper khata and a calculator, you set each supplier's pricing once and the app does the maths every single day.

• Fixed-rate mode — set ₹X per litre. Simple and done.
• FAT-based mode — set the rate per FAT unit. At each delivery you enter the FAT%, and the app instantly calculates the rate per litre.

It records every day's FAT reading, works out what you owe automatically, and produces a clean monthly report for each supplier — average FAT, total litres and the exact amount due. No calculation mistakes, no rate arguments, every entry saved and transparent.

And it isn't only FAT. The same app keeps your customers, suppliers, daily deliveries, payments, monthly bills, WhatsApp reminders and business reports in one place — so the whole dairy runs from one screen instead of a drawer full of khatas and a calculator. That is the real point: not one more single-purpose tool, but the one app that does the lot. Browse everything it does, or see how dairies use their own numbers to grow the business.

Run your whole dairy from your phone. Customers, suppliers, daily entries, FAT-based rates, monthly bills and payment reminders — all in one free app. Get DudhHisaab on Google Play →

Key Takeaways

• FAT and SNF are the two quality parameters that set the milk price.
• FAT-based pricing is the simplest: Rate = FAT% × Rate per unit.
• Two-axis pricing (FAT + SNF) is the fairest for buyer and seller alike.
• Invest in basic testing gear — even a ₹200 lactometer catches quality problems.
• Record FAT and calculate payments with a digital tool, so a busy morning never costs you money.

Sources and Further Reading

• National Dairy Development Board (NDDB) — the Anand-pattern cooperative model and two-axis FAT + SNF procurement pricing. nddb.coop
• Richmond's formula — the standard method for deriving SNF from a lactometer reading, used across Indian dairies.
• Gerber method — the reference laboratory test for milk fat at collection centres.
• Bureau of Indian Standards (BIS) — IS 1183 covers lactometers and hydrometers; IS 1479 covers methods of test for milk.

Written and maintained by the DudhHisaab editorial team. The formulas and worked examples follow standard Indian dairy cooperative practice; actual rates vary by union and season. Last reviewed 6 June 2026.

New to the trade? Start with our complete guide to running a dairy business in India. Ready to stop calculating by hand? Download DudhHisaab free on Google Play — or open the web app on any device.