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).

400 calculations

Password - Time To Crack.

199 calculations

Past/Future Date.

179 calculations

Password Strength.

169 calculations

Resting Daily Energy Expenditure (RDEE).

169 calculations

PAYE (2021).

162 calculations

Body Fat Percentage.

160 calculations

Meters Converter.

159 calculations

Fibonacci Number.

157 calculations

PAYE (2020).

157 calculations

Cosine Similarity (Bag of Words).

157 calculations

VAT (Kenya).

156 calculations

Number-to-String.

156 calculations

PAYE (2023).

153 calculations

BMI.

150 calculations

Simhash Similarity.

148 calculations

PAYE (2022).

146 calculations

Ebbinghaus Forgetting Curve.

146 calculations

PAYE (2019).

146 calculations

Fibonacci Sequence.

146 calculations

A visitor has used PAYE (2023).

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21 Sep, 12:53 AM
21 Sep, 12:53 AM
00 53 21 Sep

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

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21 Sep, 12:43 AM
21 Sep, 12:43 AM
00 43 21 Sep

A visitor has used Ebbinghaus Forgetting Curve.

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21 Sep, 12:32 AM
21 Sep, 12:32 AM
00 32 21 Sep

A visitor has used VAT (Kenya).

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21 Sep, 12:22 AM
21 Sep, 12:22 AM
00 22 21 Sep

A visitor has used Power Consumption - Heating Time.

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21 Sep, 12:01 AM
21 Sep, 12:01 AM
00 01 21 Sep

A visitor has used Simple Interest.

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20 Sep, 11:53 PM
20 Sep, 11:53 PM
23 53 20 Sep

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

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20 Sep, 11:44 PM
20 Sep, 11:44 PM
23 44 20 Sep

A visitor has used Compound Interest.

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20 Sep, 11:40 PM
20 Sep, 11:40 PM
23 40 20 Sep

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

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20 Sep, 11:31 PM
20 Sep, 11:31 PM
23 31 20 Sep

A visitor has used Compound Interest.

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20 Sep, 11:23 PM
20 Sep, 11:23 PM
23 23 20 Sep

A visitor has used Power Consumption - Heating Time.

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20 Sep, 11:02 PM
20 Sep, 11:02 PM
23 02 20 Sep

A visitor has used Simple Interest.

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20 Sep, 10:57 PM
20 Sep, 10:57 PM
22 57 20 Sep

A visitor has used VAT (South Africa).

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20 Sep, 10:46 PM
20 Sep, 10:46 PM
22 46 20 Sep

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

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20 Sep, 10:33 PM
20 Sep, 10:33 PM
22 33 20 Sep

A visitor has used Compound Interest.

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20 Sep, 10:22 PM
20 Sep, 10:22 PM
22 22 20 Sep

A visitor has used Inches Converter.

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20 Sep, 10:11 PM
20 Sep, 10:11 PM
22 11 20 Sep

A visitor has used Basic Arithmetic.

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20 Sep, 9:48 PM
20 Sep, 9:48 PM
21 48 20 Sep

A visitor has used Number-to-String.

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20 Sep, 9:26 PM
20 Sep, 9:26 PM
21 26 20 Sep

A visitor has used Number-to-String.

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20 Sep, 9:25 PM
20 Sep, 9:25 PM
21 25 20 Sep

A visitor has used Kilograms Converter.

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20 Sep, 7:28 PM
20 Sep, 7:28 PM
19 28 20 Sep

A visitor has used Basal Metabolic Rate (BMR).

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20 Sep, 6:39 PM
20 Sep, 6:39 PM
18 39 20 Sep

A visitor has used Body Fat Percentage.

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20 Sep, 6:27 PM
20 Sep, 6:27 PM
18 27 20 Sep

A visitor has used BMI.

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20 Sep, 6:26 PM
20 Sep, 6:26 PM
18 26 20 Sep

A visitor has used Password Strength.

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20 Sep, 6:23 PM
20 Sep, 6:23 PM
18 23 20 Sep

A visitor has used PAYE (2021).

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20 Sep, 5:48 PM
20 Sep, 5:48 PM
17 48 20 Sep

A visitor has used PAYE (2019).

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20 Sep, 5:31 PM
20 Sep, 5:31 PM
17 31 20 Sep

A visitor has used Simhash Similarity.

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20 Sep, 5:28 PM
20 Sep, 5:28 PM
17 28 20 Sep

A visitor has used Inches Converter.

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20 Sep, 5:18 PM
20 Sep, 5:18 PM
17 18 20 Sep

A visitor has used Password - Time To Crack.

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20 Sep, 5:11 PM
20 Sep, 5:11 PM
17 11 20 Sep

A visitor has used Simhash Similarity.

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20 Sep, 4:54 PM
20 Sep, 4:54 PM
16 54 20 Sep

  United States

2799 calculations

  Japan

1188 calculations

  Canada

596 calculations

Anonymous Location

573 calculations

  China

518 calculations

  United Kingdom

301 calculations

  Germany

270 calculations

  France

181 calculations

  Brazil

131 calculations

  Sweden

92 calculations

  Iran, Islamic Republic of

78 calculations

  Bulgaria

77 calculations

  Europe

66 calculations

  Vietnam

61 calculations

  India

61 calculations

  Argentina

56 calculations

  Kenya

55 calculations

  Romania

53 calculations

  Ukraine

52 calculations

  Mexico

52 calculations