Kutatua

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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.

Centimeters Converter calculator.

18 calculations

Megabytes Converter calculator.

30 calculations

Simhash Similarity calculator.

37 calculations

Fibonacci Number calculator.

44 calculations

Kilograms Converter calculator.

29 calculations

Height (centimeters, feet and inches) calculator.

27 calculations

Past/Future Date calculator.

37 calculations

Cosine Similarity (Bag of Words) calculator.

32 calculations

Pixels Converter calculator.

31 calculations

Gigabytes Converter calculator.

31 calculations

VAT (South Africa) calculator.

31 calculations

Geodesic Planar, Surface Area & Centerpoints calculator.

36 calculations

Readability (Flesch-Kincaid, Gunning Fog, Coleman Liau, SMOG Index) calculator.

32 calculations

Simple Interest calculator.

25 calculations

Pounds (lb) Converter calculator.

34 calculations

Mean, Variance, Standard Deviation, Kurtosis, Skewness calculator.

34 calculations

Ebbinghaus Forgetting Curve calculator.

37 calculations

Power Consumption - Heating Time calculator.

35 calculations

Cosine Similarity (Vector Method) calculator.

29 calculations

Acreage calculator.

34 calculations

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

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11 Jul, 7:26 PM
11 Jul, 7:26 PM
19 26 11 Jul

A visitor has used the Base64 Encode calculator.

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11 Jul, 7:05 PM
11 Jul, 7:05 PM
19 05 11 Jul

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

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11 Jul, 7:03 PM
11 Jul, 7:03 PM
19 03 11 Jul

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

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11 Jul, 6:45 PM
11 Jul, 6:45 PM
18 45 11 Jul

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

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11 Jul, 6:35 PM
11 Jul, 6:35 PM
18 35 11 Jul

A visitor has used the Balance Sheet calculator.

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11 Jul, 6:12 PM
11 Jul, 6:12 PM
18 12 11 Jul

A visitor has used the Power Consumption - Heating Time calculator.

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11 Jul, 6:07 PM
11 Jul, 6:07 PM
18 07 11 Jul

A visitor has used the Rot13 calculator.

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11 Jul, 5:51 PM
11 Jul, 5:51 PM
17 51 11 Jul

A visitor has used the Permutations calculator.

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11 Jul, 5:47 PM
11 Jul, 5:47 PM
17 47 11 Jul

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

#calculator
11 Jul, 5:18 PM
11 Jul, 5:18 PM
17 18 11 Jul

A visitor has used the Simhash Similarity calculator.

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11 Jul, 2:16 PM
11 Jul, 2:16 PM
14 16 11 Jul

A visitor has used the Combinations calculator.

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11 Jul, 1:27 PM
11 Jul, 1:27 PM
13 27 11 Jul

A visitor has used the Past/Future Date calculator.

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11 Jul, 1:27 PM
11 Jul, 1:27 PM
13 27 11 Jul

A visitor has used the Power Consumption - Heating Time calculator.

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11 Jul, 1:27 PM
11 Jul, 1:27 PM
13 27 11 Jul

A visitor has used the PAYE (2021) calculator.

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11 Jul, 1:27 PM
11 Jul, 1:27 PM
13 27 11 Jul

A visitor has used the Simple Interest calculator.

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11 Jul, 1:27 PM
11 Jul, 1:27 PM
13 27 11 Jul

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

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11 Jul, 1:27 PM
11 Jul, 1:27 PM
13 27 11 Jul

A visitor has used the Fibonacci Number calculator.

#calculator
11 Jul, 1:27 PM
11 Jul, 1:27 PM
13 27 11 Jul

A visitor has used the PAYE (2023) calculator.

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11 Jul, 10:48 AM
11 Jul, 10:48 AM
10 48 11 Jul

A visitor has used the Fibonacci Number calculator.

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11 Jul, 10:29 AM
11 Jul, 10:29 AM
10 29 11 Jul

A visitor has used the Centimeters Converter calculator.

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11 Jul, 9:16 AM
11 Jul, 9:16 AM
09 16 11 Jul

A visitor has used the Past/Future Date calculator.

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11 Jul, 9:14 AM
11 Jul, 9:14 AM
09 14 11 Jul

A visitor has used the Acreage calculator.

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11 Jul, 8:54 AM
11 Jul, 8:54 AM
08 54 11 Jul

A visitor has used the Trial Balance calculator.

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11 Jul, 8:46 AM
11 Jul, 8:46 AM
08 46 11 Jul

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

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11 Jul, 8:33 AM
11 Jul, 8:33 AM
08 33 11 Jul

A visitor has used the Synchronous Motor Speed calculator.

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11 Jul, 7:47 AM
11 Jul, 7:47 AM
07 47 11 Jul

A visitor has used the Inches Converter calculator.

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11 Jul, 7:39 AM
11 Jul, 7:39 AM
07 39 11 Jul

A visitor has used the Acreage calculator.

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11 Jul, 7:28 AM
11 Jul, 7:28 AM
07 28 11 Jul

A visitor has used the Simhash Similarity calculator.

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11 Jul, 7:02 AM
11 Jul, 7:02 AM
07 02 11 Jul

A visitor has used the Tanimoto Coefficient Similarity calculator.

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11 Jul, 6:53 AM
11 Jul, 6:53 AM
06 53 11 Jul

  Ukraine

26 calculations

  Saudi Arabia

4 calculations

  New Zealand

1 calculations

  Thailand

3 calculations

  Slovakia

1 calculations

  Morocco

1 calculations

  Chile

4 calculations

  Belgium

1 calculations

  Armenia

1 calculations

  Norway

4 calculations

  Panama

3 calculations

  Iran, Islamic Republic of

6 calculations

  Senegal

1 calculations

  Czech Republic

6 calculations

  Bulgaria

1 calculations

  Indonesia

3 calculations

  United Arab Emirates

4 calculations

  Bolivia

1 calculations

  Bahrain

1 calculations

  Lithuania

2 calculations