Kutatua

Solve Something

Numbers are everywhere. But you don’t have to let them slow you down.

We’ve built a modern, mobile-friendly library of calculators that works: fast and always available.

Our tools are organized into clear categories, so you can find what you need in seconds:

➕ Basic & Complex Math

Basic arithmetic, percentages, areas and volumes. Statistics calculators, similarity calculuators, Fibonacci numbers, Mean, Variance, Standard Deviation, Kurtosis, Skewness to Combinatorics calculators.

➕ Financial & Business

Simple interest, compound interest, Trial Balance, Balance Sheet and its companion, the Common Size Balance sheet. M-PESA charges to VAT calculators.

➕ Science & Engineering

Scientific calculator like Power Consumption - Heating Time, Synchrronous motor speed and unit converters.

➕ Health & Fitness

BMI, BMR, body fat percentage, RDEE to the Ebbinghaus Forgetting Curve calculators.

➕ String Manipulators

SpongeBob Text Generators, uppercase/lowercase converters, Base64 encoders, Rot13 string converters to number-to-string converters.

➕ Date & Time

Past and future date calculators.

➕ Passwords & Entropy

Password strength, time-to-crack calculators and password generators.

Cosine Similarity (Vector Method).

518 calculations

Password - Time To Crack.

334 calculations

Resting Daily Energy Expenditure (RDEE).

293 calculations

Password Strength.

272 calculations

PAYE (2021).

269 calculations

Past/Future Date.

267 calculations

VAT (Kenya).

263 calculations

Number-to-String.

262 calculations

PAYE (2020).

259 calculations

PAYE (2022).

258 calculations

Body Fat Percentage.

251 calculations

Fibonacci Number.

248 calculations

Meters Converter.

247 calculations

Cosine Similarity (Bag of Words).

246 calculations

Trial Balance.

243 calculations

Balance Sheet.

242 calculations

PAYE (2023).

242 calculations

Ebbinghaus Forgetting Curve.

241 calculations

Fibonacci Sequence.

240 calculations

PAYE (2019).

237 calculations

A visitor has used Compound Interest.

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23 Oct, 10:07 AM
23 Oct, 10:07 AM
10 07 23 Oct

A visitor has used Power Consumption - Heating Time.

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23 Oct, 10:06 AM
23 Oct, 10:06 AM
10 06 23 Oct

A visitor has used Combinations.

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23 Oct, 9:27 AM
23 Oct, 9:27 AM
09 27 23 Oct

A visitor has used Acreage.

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23 Oct, 9:17 AM
23 Oct, 9:17 AM
09 17 23 Oct

A visitor has used Acreage.

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23 Oct, 9:16 AM
23 Oct, 9:16 AM
09 16 23 Oct

A visitor has used Past/Future Date.

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23 Oct, 8:32 AM
23 Oct, 8:32 AM
08 32 23 Oct

A visitor has used Password - Time To Crack.

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23 Oct, 8:15 AM
23 Oct, 8:15 AM
08 15 23 Oct

A visitor has used Feet Converter.

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23 Oct, 6:50 AM
23 Oct, 6:50 AM
06 50 23 Oct

A visitor has used Cosine Similarity (Vector Method).

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23 Oct, 6:41 AM
23 Oct, 6:41 AM
06 41 23 Oct

A visitor has used Readability (Flesch-Kincaid, Gunning Fog, Coleman Liau, SMOG Index).

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23 Oct, 6:14 AM
23 Oct, 6:14 AM
06 14 23 Oct

A visitor has used Combinations.

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23 Oct, 6:12 AM
23 Oct, 6:12 AM
06 12 23 Oct

A visitor has used Megabytes Converter.

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23 Oct, 6:08 AM
23 Oct, 6:08 AM
06 08 23 Oct

A visitor has used Readability (Flesch-Kincaid, Gunning Fog, Coleman Liau, SMOG Index).

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23 Oct, 6:07 AM
23 Oct, 6:07 AM
06 07 23 Oct

A visitor has used Geodesic Planar, Surface Area & Centerpoints.

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23 Oct, 5:55 AM
23 Oct, 5:55 AM
05 55 23 Oct

A visitor has used Geodesic Planar, Surface Area & Centerpoints.

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23 Oct, 5:45 AM
23 Oct, 5:45 AM
05 45 23 Oct

A visitor has used Meters Converter.

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23 Oct, 5:29 AM
23 Oct, 5:29 AM
05 29 23 Oct

A visitor has used Readability (Flesch-Kincaid, Gunning Fog, Coleman Liau, SMOG Index).

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23 Oct, 5:25 AM
23 Oct, 5:25 AM
05 25 23 Oct

A visitor has used Synchronous Motor Speed.

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23 Oct, 5:01 AM
23 Oct, 5:01 AM
05 01 23 Oct

A visitor has used Geodesic Planar, Surface Area & Centerpoints.

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23 Oct, 4:52 AM
23 Oct, 4:52 AM
04 52 23 Oct

A visitor has used Power Consumption - Heating Time.

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23 Oct, 4:44 AM
23 Oct, 4:44 AM
04 44 23 Oct

A visitor has used Password - Time To Crack.

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23 Oct, 4:44 AM
23 Oct, 4:44 AM
04 44 23 Oct

A visitor has used Trial Balance.

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23 Oct, 4:28 AM
23 Oct, 4:28 AM
04 28 23 Oct

A visitor has used Jaccard Index, Jaccard Distance, Jaccard Similarity, Dice Coefficient.

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23 Oct, 4:27 AM
23 Oct, 4:27 AM
04 27 23 Oct

A visitor has used Cosine Similarity (Vector Method).

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23 Oct, 4:25 AM
23 Oct, 4:25 AM
04 25 23 Oct

A visitor has used Pixels Converter.

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23 Oct, 3:54 AM
23 Oct, 3:54 AM
03 54 23 Oct

A visitor has used M-PESA Charges.

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23 Oct, 3:54 AM
23 Oct, 3:54 AM
03 54 23 Oct

A visitor has used Megabytes Converter.

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23 Oct, 3:44 AM
23 Oct, 3:44 AM
03 44 23 Oct

A visitor has used Cosine Similarity (Vector Method).

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23 Oct, 3:22 AM
23 Oct, 3:22 AM
03 22 23 Oct

A visitor has used Temperature Converter.

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23 Oct, 3:17 AM
23 Oct, 3:17 AM
03 17 23 Oct

A visitor has used Areas.

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23 Oct, 3:07 AM
23 Oct, 3:07 AM
03 07 23 Oct

  United States

4609 calculations

  Japan

1772 calculations

Anonymous Location

959 calculations

  China

945 calculations

  United Kingdom

759 calculations

  Canada

623 calculations

  Germany

347 calculations

  France

271 calculations

  Brazil

256 calculations

  Mexico

142 calculations

  Bulgaria

139 calculations

  Sri Lanka

114 calculations

  Kenya

103 calculations

  Sweden

96 calculations

  Europe

92 calculations

  Turkey

89 calculations

  Iran, Islamic Republic of

88 calculations

  Argentina

84 calculations

  India

83 calculations

  Romania

83 calculations