Finance

Waist-to-Hip Ratio Calculator

Calculate your waist-to-hip ratio and assess your health risk category based on WHO guidel

Finance

Loan EMI Calculator

Calculate your monthly EMI for home, car, or personal loans. See total interest and paymen

Ecology

Carbon Footprint Calculator

Estimate your personal carbon footprint from transportation, energy use, diet and lifestyl

Pregnancy

Heart Rate Zone Calculator

Calculate your 5 heart rate training zones based on your age or custom max heart rate.

Everyday

Fuel Efficiency Converter

Convert fuel efficiency between MPG, L/100km, km/L and other units instantly.

Finance

Cholesterol Ratio Calculator

Calculate total cholesterol to HDL ratio and LDL to HDL ratio to assess cardiovascular ris

Math

Debt Payoff Calculator

Calculate how long it will take to pay off a debt and total interest paid with fixed month

Chemistry

Half Life Calculator

Calculate the remaining quantity of a radioactive substance after a given time using half-

Finance

Macro Nutrient Calculator

Calculate daily protein, carbohydrate, and fat targets based on your calorie goal and fitn

Finance

VO2 Max Calculator

Estimate your VO2 max (maximal oxygen uptake) from a simple field test or resting heart ra

Business

Salary Increment Calculator

Calculate future salary growth based on yearly increment percentage.

Finance

Credit Card Payoff Calculator

Calculate how many months it will take to pay off a credit card balance, and the total int

Ecology

Tree Planting CO2 Offset Calculator

Calculate how many trees you need to plant to offset your annual CO2 emissions.

Finance

Lease Payment Calculator

Calculate your monthly lease payment based on vehicle price, residual value, money factor

Finance

Target Heart Rate Calculator

Calculate your target heart rate training zones using the Karvonen formula with resting he

Everyday

Lawn Care Calculator

Calculate the amount of fertilizer, seed or weed killer needed for your lawn based on area

Math

Map Scale Calculator

Convert between map distances and real-world distances using any map scale ratio.

Marine

Fresh Water Allowance Calculator

Professional multi-tab calculator for FWA, DWA, Draft Change, New Draft, Cargo Loading, an

Marine

Draft Survey Calculator

Complete draft survey calculator supporting initial, intermediate, and final surveys with

Marine

Volume to Weight Converter

Convert cargo volume to weight and vice versa using cargo density or stowage factor, for c