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Equipment math for ag retail and farm operations.

No subscriptions. No fluff. Buy once, use it every time you price a machine.

Simple Excel ROI calculators that answer one question: does this equipment pay for itself? Plug in your own numbers, get a straight payback answer in minutes.

The calculators

Ten tools. One price. Each one is an Excel spreadsheet that runs the payback math on a specific piece of equipment.

Sprayer Own vs Custom ROI Calculator

Own the sprayer or hire it done? Compares your true per-acre cost of ownership against custom application rates.

$79 one-timeBuy now

Fertilizer Blending Equipment ROI Calculator

Blend it yourself or buy pre-blended? Labor savings, throughput, and margin per ton vs. equipment cost.

$79 one-timeBuy now

Fertilizer Tender ROI Calculator

For ag retail plants: payback on a fertilizer tender from throughput gains and labor savings.

$79 one-timeBuy now

Fertilizer Receiving System ROI Calculator

Faster unload times, less demurrage: the payback math on upgrading fertilizer receiving.

$79 one-timeBuy now

Fertilizer Spreader ROI Calculator

Own the spreader or hire it done? Straight per-acre math on machine cost vs. custom rates.

$79 one-timeBuy now

Grain Dryer ROI Calculator

Own a dryer or pay the elevator? Compares drying cost per bushel, shrink, and LP against elevator charges.

$79 one-timeBuy now

Grain Bin Storage ROI Calculator

On-farm bins or commercial storage? Models bin cost, carry, and harvest spreads over 15 years.

$79 one-timeBuy now

Grain Receiving ROI Calculator

Upgrading the pit and legs? Calculates payback from faster truck turnaround and fewer harvest labor hours.

$79 one-timeBuy now

Seed Tender ROI Calculator

Does a seed tender pay for itself? Models faster planting, labor savings, and the yield value of timely planting.

$79 one-timeBuy now

Feed Tender ROI Calculator

For feed mills and livestock operations: payback on a feed tender from delivery efficiency.

$79 one-timeBuy now

How it works

Three steps. No account, no subscription, no learning curve.

1

Pick your calculator

Choose the equipment you're pricing — tender, dryer, bins, sprayer, and more.

2

Buy once on Gumroad

$79, one time. Instant download, secure checkout, yours forever.

3

Plug in your numbers

Open the Excel file, enter your costs and acres or tons, and get payback years and net benefit.