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).

468 calculations

Password - Time To Crack.

296 calculations

Resting Daily Energy Expenditure (RDEE).

242 calculations

Past/Future Date.

233 calculations

Password Strength.

233 calculations

PAYE (2021).

230 calculations

VAT (Kenya).

227 calculations

Body Fat Percentage.

222 calculations

Number-to-String.

222 calculations

PAYE (2022).

220 calculations

Meters Converter.

219 calculations

PAYE (2020).

219 calculations

Fibonacci Number.

215 calculations

PAYE (2023).

215 calculations

Cosine Similarity (Bag of Words).

212 calculations

PAYE (2019).

212 calculations

Ebbinghaus Forgetting Curve.

211 calculations

BMI.

207 calculations

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

206 calculations

Fibonacci Sequence.

205 calculations

A visitor has used Resting Daily Energy Expenditure (RDEE).

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11 Oct, 12:13 AM
11 Oct, 12:13 AM
00 13 11 Oct

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

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11 Oct, 12:03 AM
11 Oct, 12:03 AM
00 03 11 Oct

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

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11 Oct, 12:03 AM
11 Oct, 12:03 AM
00 03 11 Oct

A visitor has used Gigabytes Converter.

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10 Oct, 10:55 PM
10 Oct, 10:55 PM
22 55 10 Oct

A visitor has used Simple Interest.

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10 Oct, 10:38 PM
10 Oct, 10:38 PM
22 38 10 Oct

A visitor has used Simple Interest.

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10 Oct, 10:37 PM
10 Oct, 10:37 PM
22 37 10 Oct

A visitor has used Simple Interest.

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10 Oct, 10:36 PM
10 Oct, 10:36 PM
22 36 10 Oct

A visitor has used Synchronous Motor Speed.

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10 Oct, 10:32 PM
10 Oct, 10:32 PM
22 32 10 Oct

A visitor has used Resting Daily Energy Expenditure (RDEE).

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10 Oct, 10:28 PM
10 Oct, 10:28 PM
22 28 10 Oct

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

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10 Oct, 9:39 PM
10 Oct, 9:39 PM
21 39 10 Oct

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

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10 Oct, 9:37 PM
10 Oct, 9:37 PM
21 37 10 Oct

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

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10 Oct, 9:35 PM
10 Oct, 9:35 PM
21 35 10 Oct

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

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10 Oct, 9:34 PM
10 Oct, 9:34 PM
21 34 10 Oct

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

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10 Oct, 9:33 PM
10 Oct, 9:33 PM
21 33 10 Oct

A visitor has used Fibonacci Sequence.

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10 Oct, 9:24 PM
10 Oct, 9:24 PM
21 24 10 Oct

A visitor has used Base64 Encode.

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10 Oct, 9:24 PM
10 Oct, 9:24 PM
21 24 10 Oct

A visitor has used PAYE (2020).

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10 Oct, 9:23 PM
10 Oct, 9:23 PM
21 23 10 Oct

A visitor has used Simhash Similarity.

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10 Oct, 8:48 PM
10 Oct, 8:48 PM
20 48 10 Oct

A visitor has used Random String Generator.

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10 Oct, 8:47 PM
10 Oct, 8:47 PM
20 47 10 Oct

A visitor has used Random String Generator.

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10 Oct, 8:37 PM
10 Oct, 8:37 PM
20 37 10 Oct

A visitor has used Random String Generator.

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10 Oct, 8:27 PM
10 Oct, 8:27 PM
20 27 10 Oct

A visitor has used Basal Metabolic Rate (BMR).

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10 Oct, 8:26 PM
10 Oct, 8:26 PM
20 26 10 Oct

A visitor has used Acreage.

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10 Oct, 7:53 PM
10 Oct, 7:53 PM
19 53 10 Oct

A visitor has used Balance Sheet.

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10 Oct, 7:44 PM
10 Oct, 7:44 PM
19 44 10 Oct

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

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10 Oct, 6:58 PM
10 Oct, 6:58 PM
18 58 10 Oct

A visitor has used Pixels Converter.

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10 Oct, 6:58 PM
10 Oct, 6:58 PM
18 58 10 Oct

A visitor has used Rot13.

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10 Oct, 6:51 PM
10 Oct, 6:51 PM
18 51 10 Oct

A visitor has used Basic Arithmetic.

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10 Oct, 6:16 PM
10 Oct, 6:16 PM
18 16 10 Oct

A visitor has used Resting Daily Energy Expenditure (RDEE).

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10 Oct, 5:43 PM
10 Oct, 5:43 PM
17 43 10 Oct

A visitor has used Body Fat Percentage.

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10 Oct, 5:19 PM
10 Oct, 5:19 PM
17 19 10 Oct

  United States

4116 calculations

  Japan

1547 calculations

Anonymous Location

859 calculations

  China

764 calculations

  Canada

606 calculations

  United Kingdom

513 calculations

  Germany

333 calculations

  France

251 calculations

  Brazil

204 calculations

  Mexico

121 calculations

  Sri Lanka

113 calculations

  Sweden

94 calculations

  Iran, Islamic Republic of

85 calculations

  Kenya

84 calculations

  Bulgaria

80 calculations

  Turkey

78 calculations

  Argentina

76 calculations

  Romania

75 calculations

  Vietnam

74 calculations

  India

70 calculations