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.

Percentages calculator.

26 calculations

VAT (South Africa) calculator.

31 calculations

PAYE (2020) calculator.

39 calculations

Centimeters Converter calculator.

18 calculations

Base64 Encode calculator.

27 calculations

Cosine Similarity (Vector Method) calculator.

29 calculations

Height (centimeters, feet and inches) calculator.

27 calculations

Past/Future Date calculator.

37 calculations

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

35 calculations

Compound Interest calculator.

41 calculations

Temperature Converter calculator.

33 calculations

Simple Interest calculator.

25 calculations

Gigabytes Converter calculator.

31 calculations

Simhash Similarity calculator.

37 calculations

Inches Converter calculator.

17 calculations

Kilograms Converter calculator.

29 calculations

Synchronous Motor Speed calculator.

40 calculations

Pixels Converter calculator.

31 calculations

Ebbinghaus Forgetting Curve calculator.

37 calculations

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

32 calculations

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

#calculator
11 Jul, 7:53 PM
11 Jul, 7:53 PM
19 53 11 Jul

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.

#calculator
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.

#calculator
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.

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

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

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

A visitor has used the PAYE (2021) calculator.

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

A visitor has used the Simple Interest calculator.

#calculator
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.

#calculator
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.

#calculator
11 Jul, 10:48 AM
11 Jul, 10:48 AM
10 48 11 Jul

A visitor has used the Fibonacci Number calculator.

#calculator
11 Jul, 10:29 AM
11 Jul, 10:29 AM
10 29 11 Jul

A visitor has used the Centimeters Converter calculator.

#calculator
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.

#calculator
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.

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

A visitor has used the Synchronous Motor Speed calculator.

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

A visitor has used the Inches Converter calculator.

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

A visitor has used the Acreage calculator.

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

A visitor has used the Simhash Similarity calculator.

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

  Ukraine

26 calculations

  Bulgaria

1 calculations

  Israel

1 calculations

  Indonesia

3 calculations

  Philippines

5 calculations

  Bahrain

1 calculations

  Morocco

1 calculations

  United Arab Emirates

4 calculations

  Bolivia

1 calculations

  Slovakia

1 calculations

  New Zealand

1 calculations

  Czech Republic

6 calculations

  Saudi Arabia

4 calculations

  Belarus

2 calculations

  Chile

4 calculations

  Kazakhstan

2 calculations

  Lebanon

1 calculations

  Norway

4 calculations

  Seychelles

1 calculations

  Armenia

1 calculations