Browse by category
Every 2xKit calculator, organized so you can find the right tool fast.
Money
Loans, investments, interest and inflation calculators to plan your finances with confidence.
Business
GST, margins, discounts and break-even tools for pricing and running a business.
Time and Date
Age, durations and working-day calculators for everyday date math.
Distance and Travel
Speed, fuel cost and trip-planning calculators for travel.
Property
Plot area, rental yield and property ROI calculators for real estate decisions.
Construction
Material quantity and cost calculators for building and renovation.
Health
BMI and everyday health calculators.
Mathematics
Percentage and general-purpose math calculators.
Converters
Length, area, weight and other unit converters, including Indian land units.
Science and Engineering
Electrical, chemistry and physics calculators for students and engineers.
Developer and Everyday Tools
Text, encoding and everyday utility tools for developers and daily tasks.
International and Specialist
VAT, customs, sizing and other specialist calculators for international and everyday niche needs.