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).

399 calculations

Password - Time To Crack.

198 calculations

Past/Future Date.

179 calculations

Resting Daily Energy Expenditure (RDEE).

169 calculations

Password Strength.

168 calculations

PAYE (2021).

161 calculations

Meters Converter.

159 calculations

Body Fat Percentage.

158 calculations

PAYE (2020).

157 calculations

Fibonacci Number.

157 calculations

VAT (Kenya).

155 calculations

Number-to-String.

154 calculations

PAYE (2023).

152 calculations

Cosine Similarity (Bag of Words).

150 calculations

BMI.

149 calculations

PAYE (2022).

146 calculations

Fibonacci Sequence.

146 calculations

PAYE (2019).

145 calculations

Ebbinghaus Forgetting Curve.

145 calculations

Pounds (lb) Converter.

144 calculations

A visitor has used M-PESA Charges.

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20 Sep, 11:43 AM
20 Sep, 11:43 AM
11 43 20 Sep

A visitor has used VAT (South Africa).

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20 Sep, 11:13 AM
20 Sep, 11:13 AM
11 13 20 Sep

A visitor has used VAT (South Africa).

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20 Sep, 11:12 AM
20 Sep, 11:12 AM
11 12 20 Sep

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

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20 Sep, 10:54 AM
20 Sep, 10:54 AM
10 54 20 Sep

A visitor has used Number-to-String.

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20 Sep, 10:51 AM
20 Sep, 10:51 AM
10 51 20 Sep

A visitor has used Pounds (lb) Converter.

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20 Sep, 10:34 AM
20 Sep, 10:34 AM
10 34 20 Sep

A visitor has used Tanimoto Coefficient Similarity.

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20 Sep, 10:31 AM
20 Sep, 10:31 AM
10 31 20 Sep

A visitor has used Balance Sheet.

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20 Sep, 9:32 AM
20 Sep, 9:32 AM
09 32 20 Sep

A visitor has used Ebbinghaus Forgetting Curve.

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20 Sep, 9:13 AM
20 Sep, 9:13 AM
09 13 20 Sep

A visitor has used Tanimoto Coefficient Similarity.

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20 Sep, 9:09 AM
20 Sep, 9:09 AM
09 09 20 Sep

A visitor has used Volume.

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20 Sep, 9:08 AM
20 Sep, 9:08 AM
09 08 20 Sep

A visitor has used BMI.

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20 Sep, 9:08 AM
20 Sep, 9:08 AM
09 08 20 Sep

A visitor has used BMI.

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20 Sep, 9:07 AM
20 Sep, 9:07 AM
09 07 20 Sep

A visitor has used Volume.

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20 Sep, 9:07 AM
20 Sep, 9:07 AM
09 07 20 Sep

A visitor has used Random String Generator.

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20 Sep, 9:05 AM
20 Sep, 9:05 AM
09 05 20 Sep

A visitor has used Fibonacci Number.

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20 Sep, 9:02 AM
20 Sep, 9:02 AM
09 02 20 Sep

A visitor has used PAYE (2022).

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20 Sep, 9:01 AM
20 Sep, 9:01 AM
09 01 20 Sep

A visitor has used Volume.

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20 Sep, 8:31 AM
20 Sep, 8:31 AM
08 31 20 Sep

A visitor has used Height (centimeters, feet and inches).

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20 Sep, 8:27 AM
20 Sep, 8:27 AM
08 27 20 Sep

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

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20 Sep, 8:26 AM
20 Sep, 8:26 AM
08 26 20 Sep

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

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20 Sep, 8:25 AM
20 Sep, 8:25 AM
08 25 20 Sep

A visitor has used BMI.

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20 Sep, 8:23 AM
20 Sep, 8:23 AM
08 23 20 Sep

A visitor has used Fibonacci Number.

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20 Sep, 8:19 AM
20 Sep, 8:19 AM
08 19 20 Sep

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

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20 Sep, 8:00 AM
20 Sep, 8:00 AM
08 00 20 Sep

A visitor has used Past/Future Date.

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20 Sep, 7:57 AM
20 Sep, 7:57 AM
07 57 20 Sep

A visitor has used Body Fat Percentage.

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20 Sep, 7:57 AM
20 Sep, 7:57 AM
07 57 20 Sep

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

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20 Sep, 7:50 AM
20 Sep, 7:50 AM
07 50 20 Sep

A visitor has used Pixels Converter.

#calculator
20 Sep, 7:31 AM
20 Sep, 7:31 AM
07 31 20 Sep

A visitor has used M-PESA Charges.

#calculator
20 Sep, 7:27 AM
20 Sep, 7:27 AM
07 27 20 Sep

A visitor has used Past/Future Date.

#calculator
20 Sep, 7:23 AM
20 Sep, 7:23 AM
07 23 20 Sep

  United States

2781 calculations

  Japan

1173 calculations

  Canada

596 calculations

Anonymous Location

570 calculations

  China

512 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

  Kenya

55 calculations

  Argentina

55 calculations

  Romania

53 calculations

  Ukraine

52 calculations

  Mexico

52 calculations