# Grain Drill Calibration Calculator

> Calibrates grain drills and planters for seeding rates using volume or weight. (iPhone/iPad app by Oklahoma State University.)

- Source: https://appshunter.io/ios/app/grain-drill-calibration-calculator/id1126946415 (this page in markdown: same URL + `.md`)
- Developer: [Oklahoma State University](https://appshunter.io/developer/393442180)
- Category: Education
- Price: Free
- Rating: 3.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 9.3 · 20 MB
- Languages: American English
- Released: 2016-07-21
- Data updated: 2026-06-11
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/grain-drill-calibration-calculator/id1126946415/reviews.md

## What is Grain Drill Calibration Calculator?

This application is designed to aid in the calibration of a grain drill or planter for canola seeding rates. Canola seeding rate can be calibrated via volumetric (mL) measures. All other grains and granular fertilizer rates can be calibrated through weight measures (grams, ounces, or pounds).

## Key features

- Calibrate canola seeding rates volumetrically (mL)
- Calibrate other grains and fertilizers by weight
- Supports grams, ounces, and pounds for weight calibration
- Aids in precise agricultural planting


## Frequently asked questions about Grain Drill Calibration Calculator

### What is the Grain Drill Calibration Calculator used for?

The Grain Drill Calibration Calculator is used to help calibrate grain drills and planters for seeding rates. It supports volumetric calibration for canola and weight-based calibration for other grains and fertilizers.

### What units of measurement does the Grain Drill Calibration Calculator support?

For canola seeding rates, it supports volumetric measurements in milliliters (mL). For other grains and granular fertilizer rates, it supports weight measures in grams, ounces, or pounds.

### Is the Grain Drill Calibration Calculator free to use?

Yes, the Grain Drill Calibration Calculator is available for free. There are no costs associated with downloading or using its calibration features.

### What devices is the Grain Drill Calibration Calculator compatible with?

The Grain Drill Calibration Calculator is compatible with iPhone, iPad, and iPod devices. It is designed for iOS users.

### How often is the Grain Drill Calibration Calculator updated?

The Grain Drill Calibration Calculator was last updated on July 21, 2016, with version 1.0. There have been no subsequent updates listed.

### What is the age rating for the Grain Drill Calibration Calculator?

The Grain Drill Calibration Calculator has an age rating of 4+. This indicates it is suitable for users of all ages.

### Who developed the Grain Drill Calibration Calculator?

The Grain Drill Calibration Calculator was developed by Oklahoma State University, an institution known for its agricultural research and education.

### Does the Grain Drill Calibration Calculator offer any certifications or learning modules?

Based on the provided description, the Grain Drill Calibration Calculator focuses solely on the technical aspect of calibration and does not offer certifications or structured learning modules.

## Version history (last 1 release)

### 1.0 — 2016-07-21

This app has been updated by Apple to display the Apple Watch app icon.

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## More apps by Oklahoma State University

- [Field Guide](https://appshunter.io/ios/app/field-guide/id872660183)
- [Canola Starter](https://appshunter.io/ios/app/canola-starter/id897167476)
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- [Crop Nutrients in Irrigation Water Calculator](https://appshunter.io/ios/app/crop-nutrients-in-irrigation-water-calculator/id980028689)
- [Wildlife Food Plots](https://appshunter.io/ios/app/wildlife-food-plots/id1008840613)

All apps by Oklahoma State University: https://appshunter.io/developer/393442180

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-11.*