Farm-Calculators
Add farm calculators to your website to help visitors determine various farming and crop related information.
Consider an alternative
Farm-Calculators shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites, is rated 5/5 and was last updated 10 years ago, and scores 30/100 on our health check.
- Small user base (10+ active installs)
- Very few reviews so far
- No update in 10 years
- Only tested up to WordPress 4.6 (latest is 7.1)
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Farm-Calculators stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| calculator | >100 |
| crop | >100 |
| farm | #42 |
| farming | #6 |
| yield | >100 |
Version adoption
Share of active sites per release.
Rating breakdown
★★★★★★★★★★ 5 from 1 reviews
About Farm-Calculators
From the official readme · v0.6Description
Add farm calculators to your website to help visitors determine various farming and crop related information, such as crop populations, yield estimates, and harvest losses.
Shortcodes
You can use following shortcodes if activated:
Crop Population
[farming_calc_crop_population]
[farming_calc_crop_population_bs] (for bootstrap themes)
Shows a calculator for determing crop population based on stand count, row length, and row spacing.
Crop Population (Hoop Method)
[farming_calc_crop_population_hoop]
[farming_calc_crop_population_hoop_bs] (for bootstrap themes)
Shows a calculator for determing crop population based on stand count and hoop size.
Wheat Harvest Yield Loss
[farming_calc_wheat_harvest_yield_loss]
[farming_calc_wheat_harvest_yield_loss_bs] (for bootstrap themes)
Shows a calculator for determing wheat harvest yield loss based on kernels counted on ground and the size of the area they were counted in.
Grain Sorghum Harvest Yield Loss
[farming_calc_sorghum_harvest_yield_loss]
[farming_calc_sorghum_harvest_yield_loss_bs] (for bootstrap themes)
Shows a calculator for determing grain sorghum harvest yield loss based on kernels counted on ground and the size of the area they were counted in.
Soybean Harvest Yield Loss
[farming_calc_soybean_harvest_yield_loss]
[farming_calc_soybean_harvest_yield_loss_bs] (for bootstrap themes)
Shows a calculator for determing soybean harvest yield loss based on beans counted on ground and the size of the area they were counted in.
Sunflower Harvest Yield Loss
[farming_calc_sunflower_harvest_yield_loss]
[farming_calc_sunflower_harvest_yield_loss_bs] (for bootstrap themes)
Shows a calculator for determing sunflower harvest yield loss based on seeds counted on ground and the size of the area they were counted in.
More shortcodes will follow soon.
Installation
Install Farm-Calculators on a simple WordPress blog
-
Upload the full
farm-calculatorsdirectory into yourwp-content/pluginsdirectory. -
Activate the plugin through the ‘Plugins’ menu in WordPress.
-
Use the calculator shortcodes wherever you would like to display them to your visitors.
Changelog
0.6
- Bump compatibility information.
0.5
- Minor spelling and wording adjustments.
0.4
- Added wheat harvest yield loss calculator.
0.3
- Added soybean harvest yield loss calculator.
- Added sunflower harvest yield loss calculator.
0.2
- Added grain sorghum harvest yield loss calculator.
- Added bootstrap styled alternative shortcodes.
0.1
- First public version.
- Added crop population by hoop method calculator.
- Added crop population by row length/spacing calculator.
Screenshots
For developers
Is this your plugin? Show off the numbers.
Add a live badge to your site, docs or GitHub README. It updates on its own — no account needed.
Best Farm-Calculators alternatives
All calculator plugins →
FAQ
Farm-Calculators: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 17, 2026
Is Farm-Calculators free?
Yes. Farm-Calculators is free to download and use from the official WordPress.org plugin directory.
Is Farm-Calculators safe to use in 2026?
Farm-Calculators shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites, is rated 5/5 and was last updated 10 years ago, and scores 30/100 on our health check.
How many websites use Farm-Calculators?
Farm-Calculators is active on 10+ WordPress websites and has been downloaded 2,706 times since it launched in August 2013. It was downloaded 53 times in the last 30 days.
Does Farm-Calculators work with WordPress 7.1?
Farm-Calculators is officially tested up to WordPress 4.6.30, while the latest release is 7.1.3. It may still work, but try it on a staging site first.
When was Farm-Calculators last updated?
The latest version, 0.6, was released on August 27, 2016 (10 years ago).
Who makes Farm-Calculators?
Farm-Calculators is developed and maintained by Bryce Johnston.
What are the best alternatives to Farm-Calculators?
The most popular alternatives to Farm-Calculators are Cost Calculator Builder (20K+ installs), Cost Calculator for Contact… (5K+ installs) and Calculator Builder (1K+ installs).
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