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Pig Raising Tools

Pig Weight Estimator

A tape measure and a published formula. You get a range, not a number, because that is what an estimate is — and the range is what stops a buyer's scale surprising you.

What kind of pig?

It matters. A native pig is shorter and rounder, and the standard formula overestimates one by 15-20%.

Around the body directly BEHIND the front legs, at the narrowest part of the chest. Over the legs adds 5-8 cm.

Base of the ears to the base of the tail, along the back. Adds a cross-check.

Puts the estimate's error band into pesos, which is the only form in which it means anything at the scales.
See worked examples →
Measure three times and average. A 2 cm error on the girth is a 3 to 4 kg error on the weight, and pigs do not stand still — measure while she is eating. Under about 20 kg, skip the tape entirely: a ₱200 hanging scale from any hardware store beats every formula on this page at that size. Read full disclaimer .

Live PH numbers

See the data behind this calculator

What liveweight is fetching this month, before you agree a price per kilo.

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Read alongside

How to estimate pig weight without a scale

The long version: where to put the tape, the lookup table, and the mistakes.

Liveweight vs dressed weight

Knowing the weight is half of it. Knowing which weight you are being paid on is the other half.

Backyard against semi-commercial

Where being out by four kilos a pig stops being a rounding error.