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.

Cosine Similarity (Vector Method).

471 calculations

Password - Time To Crack.

300 calculations

Resting Daily Energy Expenditure (RDEE).

246 calculations

Past/Future Date.

235 calculations

Password Strength.

235 calculations

PAYE (2021).

233 calculations

VAT (Kenya).

233 calculations

Number-to-String.

223 calculations

Meters Converter.

223 calculations

Body Fat Percentage.

223 calculations

PAYE (2020).

221 calculations

PAYE (2022).

221 calculations

Fibonacci Number.

219 calculations

PAYE (2023).

219 calculations

Cosine Similarity (Bag of Words).

217 calculations

Ebbinghaus Forgetting Curve.

214 calculations

PAYE (2019).

214 calculations

Basal Metabolic Rate (BMR).

211 calculations

Jaccard Index, Jaccard Distance, Jaccard Similarity, Dice Coefficient.

210 calculations

BMI.

210 calculations

A visitor has used Permutations.

#calculator
12 Oct, 12:48 AM
12 Oct, 12:48 AM
00 48 12 Oct

A visitor has used Power Consumption - Heating Time.

#calculator
12 Oct, 12:47 AM
12 Oct, 12:47 AM
00 47 12 Oct

A visitor has used PAYE (2021).

#calculator
12 Oct, 12:45 AM
12 Oct, 12:45 AM
00 45 12 Oct

A visitor has used Power Consumption - Heating Time.

#calculator
12 Oct, 12:45 AM
12 Oct, 12:45 AM
00 45 12 Oct

A visitor has used PAYE (2021).

#calculator
12 Oct, 12:44 AM
12 Oct, 12:44 AM
00 44 12 Oct

A visitor has used Cosine Similarity (Vector Method).

#calculator
12 Oct, 12:42 AM
12 Oct, 12:42 AM
00 42 12 Oct

A visitor has used PAYE (2023).

#calculator
12 Oct, 12:03 AM
12 Oct, 12:03 AM
00 03 12 Oct

A visitor has used Synchronous Motor Speed.

#calculator
11 Oct, 11:54 PM
11 Oct, 11:54 PM
23 54 11 Oct

A visitor has used Synchronous Motor Speed.

#calculator
11 Oct, 11:44 PM
11 Oct, 11:44 PM
23 44 11 Oct

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

#calculator
11 Oct, 11:34 PM
11 Oct, 11:34 PM
23 34 11 Oct

A visitor has used PAYE (2023).

#calculator
11 Oct, 11:22 PM
11 Oct, 11:22 PM
23 22 11 Oct

A visitor has used BMI.

#calculator
11 Oct, 11:22 PM
11 Oct, 11:22 PM
23 22 11 Oct

A visitor has used Synchronous Motor Speed.

#calculator
11 Oct, 11:16 PM
11 Oct, 11:16 PM
23 16 11 Oct

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

#calculator
11 Oct, 10:55 PM
11 Oct, 10:55 PM
22 55 11 Oct

A visitor has used Inches Converter.

#calculator
11 Oct, 10:40 PM
11 Oct, 10:40 PM
22 40 11 Oct

A visitor has used M-PESA Charges.

#calculator
11 Oct, 10:26 PM
11 Oct, 10:26 PM
22 26 11 Oct

A visitor has used Inches Converter.

#calculator
11 Oct, 10:26 PM
11 Oct, 10:26 PM
22 26 11 Oct

A visitor has used PAYE (2023).

#calculator
11 Oct, 10:25 PM
11 Oct, 10:25 PM
22 25 11 Oct

A visitor has used Acreage.

#calculator
11 Oct, 10:18 PM
11 Oct, 10:18 PM
22 18 11 Oct

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

#calculator
11 Oct, 10:04 PM
11 Oct, 10:04 PM
22 04 11 Oct

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

#calculator
11 Oct, 9:52 PM
11 Oct, 9:52 PM
21 52 11 Oct

A visitor has used Inches Converter.

#calculator
11 Oct, 9:43 PM
11 Oct, 9:43 PM
21 43 11 Oct

A visitor has used Compound Interest.

#calculator
11 Oct, 9:35 PM
11 Oct, 9:35 PM
21 35 11 Oct

A visitor has used VAT (Kenya).

#calculator
11 Oct, 9:23 PM
11 Oct, 9:23 PM
21 23 11 Oct

A visitor has used Ebbinghaus Forgetting Curve.

#calculator
11 Oct, 9:11 PM
11 Oct, 9:11 PM
21 11 11 Oct

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

#calculator
11 Oct, 9:02 PM
11 Oct, 9:02 PM
21 02 11 Oct

A visitor has used Inches Converter.

#calculator
11 Oct, 8:46 PM
11 Oct, 8:46 PM
20 46 11 Oct

A visitor has used Power Consumption - Heating Time.

#calculator
11 Oct, 8:34 PM
11 Oct, 8:34 PM
20 34 11 Oct

A visitor has used Simple Interest.

#calculator
11 Oct, 8:24 PM
11 Oct, 8:24 PM
20 24 11 Oct

A visitor has used BMI.

#calculator
11 Oct, 7:50 PM
11 Oct, 7:50 PM
19 50 11 Oct

  United States

4141 calculations

  Japan

1575 calculations

Anonymous Location

865 calculations

  China

830 calculations

  Canada

606 calculations

  United Kingdom

513 calculations

  Germany

334 calculations

  France

252 calculations

  Brazil

209 calculations

  Mexico

122 calculations

  Sri Lanka

113 calculations

  Sweden

94 calculations

  Iran, Islamic Republic of

85 calculations

  Kenya

84 calculations

  Bulgaria

80 calculations

  Turkey

78 calculations

  Vietnam

76 calculations

  Argentina

76 calculations

  Romania

75 calculations

  India

72 calculations