Biology

Estimate bulb spacing and how many bulbs fit in a bed or row using straight or staggered planting patterns.

Calculate planned or measured acres per hour, time per acre, and optional active time remaining for a field.

Estimate livestock fence cost with low, expected, and high totals, plus gates, brace sets, terrain, and optional yearly ownership cost.

Estimate grain in a round bin in bushels, cubic feet, pounds, and short tons from diameter, depth, and center peak.

Calculate FCR, feed efficiency, and optional feed cost per unit for weight gain, milk, egg mass, or eggs by dozen.

Estimate how many cattle grazeable pasture can support or how many acres your herd needs using local guidance or forage data.

Calculate animal mortality as a fixed-group percent or a changing-group time-at-risk rate with clear checks and warnings.

Calculate livestock due date, daily gain, feed needed, and meat yield with simple species-based defaults you can edit.

Estimate minimum turtle tank size, compare your current tank, and check water depth and water weight in one place.

Check a pet rat cage’s usable inside space using floor area and volume, then see its planning capacity and tighter limit.