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.

Pounds (lb) Converter calculator.

23 calculations

PAYE (2020) calculator.

20 calculations

Power Consumption - Heating Time calculator.

17 calculations

Fibonacci Number calculator.

22 calculations

Synchronous Motor Speed calculator.

21 calculations

VAT (South Africa) calculator.

17 calculations

Pixels Converter calculator.

18 calculations

PAYE (2021) calculator.

20 calculations

Acreage calculator.

13 calculations

Megabytes Converter calculator.

19 calculations

VAT (Nigeria) calculator.

18 calculations

Ebbinghaus Forgetting Curve calculator.

16 calculations

Cosine Similarity (Bag of Words) calculator.

19 calculations

Simple Interest calculator.

9 calculations

Past/Future Date calculator.

14 calculations

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

12 calculations

Base64 Encode calculator.

13 calculations

Temperature Converter calculator.

18 calculations

Percentages calculator.

12 calculations

Feet Converter calculator.

13 calculations

A visitor has used the Pounds (lb) Converter calculator.

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19 Jun, 5:38 PM
19 Jun, 5:38 PM
17 38 19 Jun

A visitor has used the M-PESA Charges calculator.

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19 Jun, 5:27 PM
19 Jun, 5:27 PM
17 27 19 Jun

A visitor has used the M-PESA Charges calculator.

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19 Jun, 5:26 PM
19 Jun, 5:26 PM
17 26 19 Jun

A visitor has used the M-PESA Charges calculator.

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19 Jun, 5:24 PM
19 Jun, 5:24 PM
17 24 19 Jun

A visitor has used the Basic Arithmetic calculator.

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19 Jun, 5:08 PM
19 Jun, 5:08 PM
17 08 19 Jun

A visitor has used the Permutations calculator.

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19 Jun, 3:27 PM
19 Jun, 3:27 PM
15 27 19 Jun

A visitor has used the Meters Converter calculator.

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19 Jun, 3:09 PM
19 Jun, 3:09 PM
15 09 19 Jun

A visitor has used the Acreage calculator.

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19 Jun, 3:09 PM
19 Jun, 3:09 PM
15 09 19 Jun

A visitor has used the Balance Sheet calculator.

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19 Jun, 3:09 PM
19 Jun, 3:09 PM
15 09 19 Jun

A visitor has used the PAYE (2019) calculator.

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19 Jun, 3:09 PM
19 Jun, 3:09 PM
15 09 19 Jun

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

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19 Jun, 3:09 PM
19 Jun, 3:09 PM
15 09 19 Jun

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

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19 Jun, 3:09 PM
19 Jun, 3:09 PM
15 09 19 Jun

A visitor has used the Body Fat Percentage calculator.

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19 Jun, 3:09 PM
19 Jun, 3:09 PM
15 09 19 Jun

A visitor has used the M-PESA Charges calculator.

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19 Jun, 3:09 PM
19 Jun, 3:09 PM
15 09 19 Jun

A visitor has used the Permutations calculator.

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19 Jun, 3:09 PM
19 Jun, 3:09 PM
15 09 19 Jun

A visitor has used the Pounds (lb) Converter calculator.

#calculator
19 Jun, 3:09 PM
19 Jun, 3:09 PM
15 09 19 Jun

A visitor has used the Pixels Converter calculator.

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19 Jun, 3:09 PM
19 Jun, 3:09 PM
15 09 19 Jun

A visitor has used the Cosine Similarity calculator.

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19 Jun, 12:35 PM
19 Jun, 12:35 PM
12 35 19 Jun

A visitor has used the Pounds (lb) Converter calculator.

#calculator
19 Jun, 12:34 PM
19 Jun, 12:34 PM
12 34 19 Jun

A visitor has used the Pounds (lb) Converter calculator.

#calculator
19 Jun, 12:33 PM
19 Jun, 12:33 PM
12 33 19 Jun

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

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19 Jun, 11:11 AM
19 Jun, 11:11 AM
11 11 19 Jun

A visitor has used the Tanimoto Coefficient Similarity calculator.

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19 Jun, 10:08 AM
19 Jun, 10:08 AM
10 08 19 Jun

A visitor has used the Tanimoto Coefficient Similarity calculator.

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19 Jun, 10:06 AM
19 Jun, 10:06 AM
10 06 19 Jun

A visitor has used the Meters Converter calculator.

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19 Jun, 7:01 AM
19 Jun, 7:01 AM
07 01 19 Jun

A visitor has used the Fibonacci Sequence calculator.

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19 Jun, 6:57 AM
19 Jun, 6:57 AM
06 57 19 Jun

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

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19 Jun, 6:53 AM
19 Jun, 6:53 AM
06 53 19 Jun

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

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19 Jun, 6:30 AM
19 Jun, 6:30 AM
06 30 19 Jun

A visitor has used the Meters Converter calculator.

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19 Jun, 6:04 AM
19 Jun, 6:04 AM
06 04 19 Jun

A visitor has used the Megabytes Converter calculator.

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19 Jun, 6:04 AM
19 Jun, 6:04 AM
06 04 19 Jun

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

#calculator
19 Jun, 6:04 AM
19 Jun, 6:04 AM
06 04 19 Jun

  Tunisia

1 calculations

  Kenya

9 calculations

  Philippines

2 calculations

  Saudi Arabia

3 calculations

  Denmark

2 calculations

  Azerbaijan

1 calculations

  Iraq

2 calculations

  Lithuania

1 calculations

  Thailand

2 calculations

  Norway

4 calculations

  Belarus

1 calculations

  Switzerland

2 calculations

  Italy

1 calculations

  Malaysia

4 calculations

  Bahrain

1 calculations

  Israel

1 calculations

  Uzbekistan

2 calculations

  Poland

2 calculations

  Bangladesh

1 calculations

  Ukraine

2 calculations