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.

Acreage calculator.

28 calculations

Percentages calculator.

22 calculations

Past/Future Date calculator.

34 calculations

PAYE (2021) calculator.

39 calculations

Synchronous Motor Speed calculator.

37 calculations

Pixels Converter calculator.

29 calculations

PAYE (2020) calculator.

37 calculations

Number-to-String calculator.

34 calculations

Cosine Similarity (Bag of Words) calculator.

27 calculations

Geodesic Planar, Surface Area & Centerpoints calculator.

32 calculations

Fibonacci Number calculator.

39 calculations

Basal Metabolic Rate (BMR) calculator.

41 calculations

Kilograms Converter calculator.

27 calculations

Feet Converter calculator.

23 calculations

Ebbinghaus Forgetting Curve calculator.

30 calculations

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

24 calculations

VAT (South Africa) calculator.

25 calculations

Simhash Similarity calculator.

32 calculations

Gigabytes Converter calculator.

29 calculations

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

29 calculations

A visitor has used the Body Fat Percentage calculator.

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04 Jul, 8:04 PM
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A visitor has used the PAYE (2022) calculator.

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A visitor has used the Volume calculator.

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04 Jul, 7:49 PM
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A visitor has used the Fibonacci Number calculator.

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04 Jul, 7:40 PM
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19 40 04 Jul

A visitor has used the PAYE (2022) calculator.

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04 Jul, 7:09 PM
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A visitor has used the Ebbinghaus Forgetting Curve calculator.

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04 Jul, 6:43 PM
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A visitor has used the Binomial Distribution, Mean, Standard Deviation, Variance, Skewness, Kurtosis calculator.

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04 Jul, 6:31 PM
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A visitor has used the Basic Arithmetic calculator.

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04 Jul, 5:28 PM
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A visitor has used the Trial Balance calculator.

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17 18 04 Jul

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

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04 Jul, 5:09 PM
04 Jul, 5:09 PM
17 09 04 Jul

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

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04 Jul, 4:59 PM
04 Jul, 4:59 PM
16 59 04 Jul

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

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04 Jul, 4:28 PM
04 Jul, 4:28 PM
16 28 04 Jul

A visitor has used the Ebbinghaus Forgetting Curve calculator.

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04 Jul, 4:19 PM
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16 19 04 Jul

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

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04 Jul, 4:19 PM
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16 19 04 Jul

A visitor has used the Compound Interest calculator.

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04 Jul, 4:19 PM
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16 19 04 Jul

A visitor has used the Password Strength calculator.

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04 Jul, 4:19 PM
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16 19 04 Jul

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

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04 Jul, 4:19 PM
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16 19 04 Jul

A visitor has used the Volume calculator.

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04 Jul, 4:19 PM
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16 19 04 Jul

A visitor has used the Fibonacci Number calculator.

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04 Jul, 4:19 PM
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16 19 04 Jul

A visitor has used the Meters Converter calculator.

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04 Jul, 4:19 PM
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16 19 04 Jul

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

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04 Jul, 4:19 PM
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16 19 04 Jul

A visitor has used the Basic Arithmetic calculator.

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04 Jul, 4:19 PM
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16 19 04 Jul

A visitor has used the Pixels Converter calculator.

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04 Jul, 4:19 PM
04 Jul, 4:19 PM
16 19 04 Jul

A visitor has used the Rot13 calculator.

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04 Jul, 4:19 PM
04 Jul, 4:19 PM
16 19 04 Jul

A visitor has used the VAT (Kenya) calculator.

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04 Jul, 4:19 PM
04 Jul, 4:19 PM
16 19 04 Jul

A visitor has used the PAYE (2019) calculator.

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04 Jul, 4:19 PM
04 Jul, 4:19 PM
16 19 04 Jul

A visitor has used the Base64 Encode calculator.

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04 Jul, 4:19 PM
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16 19 04 Jul

A visitor has used the Trial Balance calculator.

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04 Jul, 4:19 PM
04 Jul, 4:19 PM
16 19 04 Jul

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

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04 Jul, 4:19 PM
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16 19 04 Jul

A visitor has used the BMI calculator.

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04 Jul, 4:19 PM
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16 19 04 Jul

  Ecuador

5 calculations

  Chile

3 calculations

  Ukraine

26 calculations

  United Arab Emirates

2 calculations

  Indonesia

3 calculations

  Morocco

1 calculations

  Belarus

2 calculations

  Kazakhstan

1 calculations

  Switzerland

2 calculations

  New Zealand

1 calculations

  Bahrain

1 calculations

  Saudi Arabia

3 calculations

  Philippines

5 calculations

  Lithuania

2 calculations

  Thailand

3 calculations

  Belgium

1 calculations

  Curacao

1 calculations

  Dominican Republic

2 calculations

  Seychelles

1 calculations

  Armenia

1 calculations