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).

451 calculations

Password - Time To Crack.

263 calculations

Resting Daily Energy Expenditure (RDEE).

217 calculations

Past/Future Date.

216 calculations

PAYE (2021).

212 calculations

Password Strength.

212 calculations

Number-to-String.

207 calculations

VAT (Kenya).

207 calculations

Body Fat Percentage.

205 calculations

Meters Converter.

202 calculations

PAYE (2020).

200 calculations

PAYE (2023).

199 calculations

Cosine Similarity (Bag of Words).

197 calculations

Fibonacci Number.

194 calculations

PAYE (2022).

191 calculations

Jaccard Index, Jaccard Distance, Jaccard Similarity, Dice Coefficient.

189 calculations

BMI.

188 calculations

Ebbinghaus Forgetting Curve.

188 calculations

Fibonacci Sequence.

187 calculations

Pounds (lb) Converter.

187 calculations

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

#calculator
05 Oct, 12:59 AM
05 Oct, 12:59 AM
00 59 05 Oct

A visitor has used PAYE (2020).

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05 Oct, 12:11 AM
05 Oct, 12:11 AM
00 11 05 Oct

A visitor has used Permutations.

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04 Oct, 11:59 PM
04 Oct, 11:59 PM
23 59 04 Oct

A visitor has used Synchronous Motor Speed.

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04 Oct, 11:38 PM
04 Oct, 11:38 PM
23 38 04 Oct

A visitor has used PAYE (2022).

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04 Oct, 11:34 PM
04 Oct, 11:34 PM
23 34 04 Oct

A visitor has used Inches Converter.

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04 Oct, 11:28 PM
04 Oct, 11:28 PM
23 28 04 Oct

A visitor has used VAT (Kenya).

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04 Oct, 11:22 PM
04 Oct, 11:22 PM
23 22 04 Oct

A visitor has used Synchronous Motor Speed.

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04 Oct, 11:11 PM
04 Oct, 11:11 PM
23 11 04 Oct

A visitor has used PAYE (2023).

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04 Oct, 10:45 PM
04 Oct, 10:45 PM
22 45 04 Oct

A visitor has used Inches Converter.

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04 Oct, 10:42 PM
04 Oct, 10:42 PM
22 42 04 Oct

A visitor has used Power Consumption - Heating Time.

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04 Oct, 10:15 PM
04 Oct, 10:15 PM
22 15 04 Oct

A visitor has used Binomial Distribution, Mean, Standard Deviation, Variance, Skewness, Kurtosis.

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04 Oct, 10:14 PM
04 Oct, 10:14 PM
22 14 04 Oct

A visitor has used Synchronous Motor Speed.

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04 Oct, 10:09 PM
04 Oct, 10:09 PM
22 09 04 Oct

A visitor has used PAYE (2023).

#calculator
04 Oct, 9:59 PM
04 Oct, 9:59 PM
21 59 04 Oct

A visitor has used Password - Time To Crack.

#calculator
04 Oct, 9:59 PM
04 Oct, 9:59 PM
21 59 04 Oct

A visitor has used Cosine Similarity (Bag of Words).

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04 Oct, 9:49 PM
04 Oct, 9:49 PM
21 49 04 Oct

A visitor has used Inches Converter.

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04 Oct, 9:41 PM
04 Oct, 9:41 PM
21 41 04 Oct

A visitor has used VAT (Kenya).

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04 Oct, 9:30 PM
04 Oct, 9:30 PM
21 30 04 Oct

A visitor has used Power Consumption - Heating Time.

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04 Oct, 9:20 PM
04 Oct, 9:20 PM
21 20 04 Oct

A visitor has used Number-to-String.

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04 Oct, 9:04 PM
04 Oct, 9:04 PM
21 04 04 Oct

A visitor has used Temperature Converter.

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04 Oct, 8:59 PM
04 Oct, 8:59 PM
20 59 04 Oct

A visitor has used Ebbinghaus Forgetting Curve.

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04 Oct, 8:58 PM
04 Oct, 8:58 PM
20 58 04 Oct

A visitor has used Synchronous Motor Speed.

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04 Oct, 8:58 PM
04 Oct, 8:58 PM
20 58 04 Oct

A visitor has used Power Consumption - Heating Time.

#calculator
04 Oct, 8:57 PM
04 Oct, 8:57 PM
20 57 04 Oct

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

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04 Oct, 8:52 PM
04 Oct, 8:52 PM
20 52 04 Oct

A visitor has used Past/Future Date.

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04 Oct, 8:51 PM
04 Oct, 8:51 PM
20 51 04 Oct

A visitor has used Random String Generator.

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04 Oct, 8:46 PM
04 Oct, 8:46 PM
20 46 04 Oct

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

#calculator
04 Oct, 8:45 PM
04 Oct, 8:45 PM
20 45 04 Oct

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

#calculator
04 Oct, 8:40 PM
04 Oct, 8:40 PM
20 40 04 Oct

A visitor has used PAYE (2023).

#calculator
04 Oct, 8:34 PM
04 Oct, 8:34 PM
20 34 04 Oct

  United States

3840 calculations

  Japan

1438 calculations

Anonymous Location

806 calculations

  China

675 calculations

  Canada

599 calculations

  United Kingdom

469 calculations

  Germany

324 calculations

  France

235 calculations

  Brazil

171 calculations

  Sweden

92 calculations

  Bulgaria

79 calculations

  Iran, Islamic Republic of

78 calculations

  Turkey

71 calculations

  Kenya

69 calculations

  Romania

69 calculations

  India

67 calculations

  Argentina

66 calculations

  Europe

66 calculations

  Vietnam

65 calculations

  Lithuania

61 calculations