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.

PAYE (2020) calculator.

39 calculations

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

31 calculations

PAYE (2019) calculator.

40 calculations

Height (centimeters, feet and inches) calculator.

25 calculations

Megabytes Converter calculator.

30 calculations

Pixels Converter calculator.

31 calculations

Percentages calculator.

26 calculations

Power Consumption - Heating Time calculator.

33 calculations

Cosine Similarity (Bag of Words) calculator.

32 calculations

Simhash Similarity calculator.

35 calculations

Kilograms Converter calculator.

29 calculations

Base64 Encode calculator.

26 calculations

Pounds (lb) Converter calculator.

34 calculations

VAT (South Africa) calculator.

31 calculations

Fibonacci Number calculator.

42 calculations

Simple Interest calculator.

24 calculations

Synchronous Motor Speed calculator.

38 calculations

VAT (Nigeria) calculator.

32 calculations

Centimeters Converter calculator.

17 calculations

Ebbinghaus Forgetting Curve calculator.

36 calculations

A visitor has used the Cosine Similarity (Vector Method) calculator.

#calculator
10 Jul, 4:49 PM
10 Jul, 4:49 PM
16 49 10 Jul

A visitor has used the PAYE (2021) calculator.

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10 Jul, 4:43 PM
10 Jul, 4:43 PM
16 43 10 Jul

A visitor has used the PAYE (2021) calculator.

#calculator
10 Jul, 4:41 PM
10 Jul, 4:41 PM
16 41 10 Jul

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

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10 Jul, 4:32 PM
10 Jul, 4:32 PM
16 32 10 Jul

A visitor has used the Cosine Similarity (Vector Method) calculator.

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10 Jul, 4:31 PM
10 Jul, 4:31 PM
16 31 10 Jul

A visitor has used the Meters Converter calculator.

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10 Jul, 4:02 PM
10 Jul, 4:02 PM
16 02 10 Jul

A visitor has used the PAYE (2020) calculator.

#calculator
10 Jul, 3:48 PM
10 Jul, 3:48 PM
15 48 10 Jul

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

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10 Jul, 3:17 PM
10 Jul, 3:17 PM
15 17 10 Jul

A visitor has used the Percentages calculator.

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10 Jul, 1:57 PM
10 Jul, 1:57 PM
13 57 10 Jul

A visitor has used the VAT (Kenya) calculator.

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10 Jul, 12:43 PM
10 Jul, 12:43 PM
12 43 10 Jul

A visitor has used the PAYE (2022) calculator.

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10 Jul, 12:34 PM
10 Jul, 12:34 PM
12 34 10 Jul

A visitor has used the Inches Converter calculator.

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10 Jul, 11:47 AM
10 Jul, 11:47 AM
11 47 10 Jul

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

#calculator
10 Jul, 11:34 AM
10 Jul, 11:34 AM
11 34 10 Jul

A visitor has used the BMI calculator.

#calculator
10 Jul, 10:14 AM
10 Jul, 10:14 AM
10 14 10 Jul

A visitor has used the Fibonacci Number calculator.

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10 Jul, 10:05 AM
10 Jul, 10:05 AM
10 05 10 Jul

A visitor has used the Number-to-String calculator.

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10 Jul, 9:26 AM
10 Jul, 9:26 AM
09 26 10 Jul

A visitor has used the Number-to-String calculator.

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10 Jul, 9:24 AM
10 Jul, 9:24 AM
09 24 10 Jul

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

#calculator
10 Jul, 5:42 AM
10 Jul, 5:42 AM
05 42 10 Jul

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

#calculator
10 Jul, 5:04 AM
10 Jul, 5:04 AM
05 04 10 Jul

A visitor has used the Ebbinghaus Forgetting Curve calculator.

#calculator
10 Jul, 4:04 AM
10 Jul, 4:04 AM
04 04 10 Jul

A visitor has used the Password - Time To Crack calculator.

#calculator
10 Jul, 3:43 AM
10 Jul, 3:43 AM
03 43 10 Jul

A visitor has used the Ebbinghaus Forgetting Curve calculator.

#calculator
10 Jul, 3:16 AM
10 Jul, 3:16 AM
03 16 10 Jul

A visitor has used the Centimeters Converter calculator.

#calculator
10 Jul, 3:07 AM
10 Jul, 3:07 AM
03 07 10 Jul

A visitor has used the Meters Converter calculator.

#calculator
10 Jul, 2:45 AM
10 Jul, 2:45 AM
02 45 10 Jul

A visitor has used the VAT (South Africa) calculator.

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10 Jul, 2:33 AM
10 Jul, 2:33 AM
02 33 10 Jul

A visitor has used the Feet Converter calculator.

#calculator
10 Jul, 2:28 AM
10 Jul, 2:28 AM
02 28 10 Jul

A visitor has used the PAYE (2019) calculator.

#calculator
10 Jul, 1:47 AM
10 Jul, 1:47 AM
01 47 10 Jul

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

#calculator
10 Jul, 1:35 AM
10 Jul, 1:35 AM
01 35 10 Jul

A visitor has used the Basal Metabolic Rate (BMR) calculator.

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10 Jul, 1:21 AM
10 Jul, 1:21 AM
01 21 10 Jul

A visitor has used the M-PESA Charges (2023) calculator.

#calculator
10 Jul, 1:10 AM
10 Jul, 1:10 AM
01 10 10 Jul

  Panama

3 calculations

  Lebanon

1 calculations

  Lithuania

2 calculations

  Senegal

1 calculations

  Ukraine

26 calculations

  Thailand

3 calculations

  Slovakia

1 calculations

  United Arab Emirates

4 calculations

  Bolivia

1 calculations

  Armenia

1 calculations

  New Zealand

1 calculations

  Norway

4 calculations

  Dominican Republic

2 calculations

  Bahrain

1 calculations

  Belgium

1 calculations

  Curacao

1 calculations

  Belarus

2 calculations

  Indonesia

3 calculations

  Philippines

5 calculations

  Czech Republic

6 calculations