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).

476 calculations

Password - Time To Crack.

304 calculations

Resting Daily Energy Expenditure (RDEE).

258 calculations

PAYE (2021).

245 calculations

Past/Future Date.

242 calculations

Password Strength.

241 calculations

VAT (Kenya).

237 calculations

PAYE (2020).

234 calculations

Number-to-String.

231 calculations

PAYE (2022).

228 calculations

Body Fat Percentage.

227 calculations

Meters Converter.

227 calculations

Cosine Similarity (Bag of Words).

222 calculations

PAYE (2023).

222 calculations

Fibonacci Number.

221 calculations

PAYE (2019).

220 calculations

Ebbinghaus Forgetting Curve.

219 calculations

Basal Metabolic Rate (BMR).

216 calculations

BMI.

214 calculations

Balance Sheet.

211 calculations

A visitor has used Basal Metabolic Rate (BMR).

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13 Oct, 11:21 PM
13 Oct, 11:21 PM
23 21 13 Oct

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

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13 Oct, 11:21 PM
13 Oct, 11:21 PM
23 21 13 Oct

A visitor has used Password Strength.

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13 Oct, 11:11 PM
13 Oct, 11:11 PM
23 11 13 Oct

A visitor has used Centimeters Converter.

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13 Oct, 10:46 PM
13 Oct, 10:46 PM
22 46 13 Oct

A visitor has used Basic Arithmetic.

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13 Oct, 10:16 PM
13 Oct, 10:16 PM
22 16 13 Oct

A visitor has used Password Strength.

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13 Oct, 10:07 PM
13 Oct, 10:07 PM
22 07 13 Oct

A visitor has used Rot13.

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13 Oct, 10:00 PM
13 Oct, 10:00 PM
22 00 13 Oct

A visitor has used Centimeters Converter.

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13 Oct, 9:57 PM
13 Oct, 9:57 PM
21 57 13 Oct

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

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13 Oct, 9:51 PM
13 Oct, 9:51 PM
21 51 13 Oct

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

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13 Oct, 9:50 PM
13 Oct, 9:50 PM
21 50 13 Oct

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

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13 Oct, 9:48 PM
13 Oct, 9:48 PM
21 48 13 Oct

A visitor has used VAT (South Africa).

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13 Oct, 9:42 PM
13 Oct, 9:42 PM
21 42 13 Oct

A visitor has used Random String Generator.

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13 Oct, 9:40 PM
13 Oct, 9:40 PM
21 40 13 Oct

A visitor has used PAYE (2020).

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13 Oct, 9:28 PM
13 Oct, 9:28 PM
21 28 13 Oct

A visitor has used Basic Arithmetic.

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13 Oct, 9:18 PM
13 Oct, 9:18 PM
21 18 13 Oct

A visitor has used Centimeters Converter.

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13 Oct, 8:59 PM
13 Oct, 8:59 PM
20 59 13 Oct

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

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13 Oct, 8:51 PM
13 Oct, 8:51 PM
20 51 13 Oct

A visitor has used Cosine Similarity (Vector Method).

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13 Oct, 8:40 PM
13 Oct, 8:40 PM
20 40 13 Oct

A visitor has used PAYE (2020).

#calculator
13 Oct, 8:29 PM
13 Oct, 8:29 PM
20 29 13 Oct

A visitor has used Meters Converter.

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13 Oct, 8:18 PM
13 Oct, 8:18 PM
20 18 13 Oct

A visitor has used VAT (Kenya).

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13 Oct, 8:12 PM
13 Oct, 8:12 PM
20 12 13 Oct

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

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13 Oct, 8:08 PM
13 Oct, 8:08 PM
20 08 13 Oct

A visitor has used Simhash Similarity.

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13 Oct, 8:07 PM
13 Oct, 8:07 PM
20 07 13 Oct

A visitor has used Basal Metabolic Rate (BMR).

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13 Oct, 7:55 PM
13 Oct, 7:55 PM
19 55 13 Oct

A visitor has used PAYE (2019).

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13 Oct, 7:48 PM
13 Oct, 7:48 PM
19 48 13 Oct

A visitor has used VAT (South Africa).

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13 Oct, 7:38 PM
13 Oct, 7:38 PM
19 38 13 Oct

A visitor has used Password Strength.

#calculator
13 Oct, 6:59 PM
13 Oct, 6:59 PM
18 59 13 Oct

A visitor has used Centimeters Converter.

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13 Oct, 5:20 PM
13 Oct, 5:20 PM
17 20 13 Oct

A visitor has used Megabytes Converter.

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13 Oct, 5:04 PM
13 Oct, 5:04 PM
17 04 13 Oct

A visitor has used PAYE (2023).

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13 Oct, 5:02 PM
13 Oct, 5:02 PM
17 02 13 Oct

  United States

4208 calculations

  Japan

1604 calculations

Anonymous Location

884 calculations

  China

856 calculations

  Canada

612 calculations

  United Kingdom

564 calculations

  Germany

336 calculations

  France

255 calculations

  Brazil

220 calculations

  Mexico

123 calculations

  Sri Lanka

113 calculations

  Sweden

94 calculations

  Kenya

94 calculations

  Iran, Islamic Republic of

86 calculations

  Turkey

83 calculations

  Bulgaria

80 calculations

  Argentina

79 calculations

  Vietnam

77 calculations

  Romania

75 calculations

  India

73 calculations