# KB Tools

> KB Tools (iPhone/iPad app by Kristoffer Bjoernvik.)

- Source: https://appshunter.io/ios/app/kb-tools/id6475605593 (this page in markdown: same URL + `.md`)
- Developer: [Kristoffer Bjoernvik](https://appshunter.io/developer/1718997880)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 12.0 · 57 MB
- Languages: English
- Released: 2024-01-11
- Data updated: 2026-05-15
- User reviews in markdown: https://appshunter.io/ios/app/kb-tools/id6475605593/reviews.md

## What is KB Tools?

KB Tools contains the following set of tools: Area-calculator, Volume-calculator, Unit converter and an Elevation-calculator.

Area-calculator:
- Rectangle
- Triangle
- Trapezoid
- Circle
- Sector
- Ellipse
- Parallelogram

Volume-calculator:
- Sphere
- Cone
- Cube
- Cylinder
- Rectangular Tank
- Capsule
- Sperical Cap
- Conical Frustum
- Ellipsoid
- Square Pyramid
- Tube

The area-tool accept input in meters, feet, yards, inches, miles, kilometers and centimeters.
The volume-tools does also includes input in millimeters, micrometers and nanometers if needed. 

The Elevation-tool lets you calculate the grade, grade in percentage, angle in degrees and the fraction when filling in the vertical distance and the horizontal distance. Accepts the following input units: millimeter, centimeter, meter, kilometer, inches, feet, yards, miles, and nautical miles.

The converter-tool let you convert units of Length, Weight and Mass, Area, Volume, Time, Temperature, Speed and Data storage. See the full list below!

Length: 
Meter, Kilometer, Decimeter, Centimeter, Millimeter, Micrometer, Nanometer, Mile, Yard, Foot, Inch, Nautical Mile and Light year.

Weight and Mass:
Kilogram, Gram, Milligram, Ton, Pounds, Ounce, Carrat, Ton (short), Ton (long) and Atomic Mass Unit.

Area:
Square neter, Square kilometer, Square centimeter, Square millimeter, Square micrometer, Hectare, Square mile, Square yard, Square foot, Square inch and Acre.

Volume:
Cubic meter, Cubic kilometer, Cubic centimeter, Cubic  millimeter, Liter, Milliliter, Gallon, Quart, Pint, Cup, Tablespoon, Teaspoon, Fluid ounce, Cubic mile, Cubic  yard, Cubic foot and Cubic inch.

Time:
Second, millisecond, Minute, Hour, Day, Week, Month and Year.

Temperature:
Kelvin, Celcius, Fahrenheit, Rankine and Reaumur.

Speed:
Meter/second, Kilomter/hour, Mile/hour, meter/hour, Kilometer/second, Foot/hour, Foot/second, Mile/second, Knot and Mach.

Data storage:
Bit, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte, Petabyte and Exabyte.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 
Privacy Policy: https://somnail.no/privacy-policy/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| KB Tools No Ads | $1.99 | per month |



## Version history (last 3 releases)

### 1.05 — 2024-01-16

Area, Volume, Convert and Elevation. Share and rate options added

### 1.04 — 2024-01-11

Added Elevation-calculator.

### 1.02 — 2024-01-11

No release notes.

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## More apps by Kristoffer Bjoernvik

- [Knitting Helper](https://appshunter.io/ios/app/knitting-helper/id6473463415)

All apps by Kristoffer Bjoernvik: https://appshunter.io/developer/1718997880

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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 2026-05-15.*