All Cocolator calculators

A standard calculator for plus, minus, times and divide with support for decimals, percentages and parentheses.

Enter your usage, price per kWh, and any fixed fee to estimate electricity cost per day, month, and year.

Work out what an appliance costs to run per use, per day, per month and per year from its watts, hours used and price per kWh.

Estimate petrol or diesel fuel cost for a trip, commute or regular driving. Enter distance, fuel economy and fuel price to calculate total cost, fuel used and cost per mile or kilometre.

UK-specific estimate of whether HMRC may recover a Winter Fuel Payment because your individual income is above the threshold.

Compare the estimated cost of renting or buying a home over time, including mortgage payments, down payment, maintenance, equity and alternative investment return.

Percent of a number, change between values, and new totals as you type.

Calculate how money grows over time from a starting balance, monthly saving, and interest.

See how many months it takes to reach a goal with monthly saving and interest.

Convert between common currencies instantly and see both the converted amount and the exchange rate.

Calculate price per square metre for a property and compare two listings side by side.

Add or remove VAT from an amount and see net, VAT, and gross totals instantly.

Work out the final price and total saving from a percentage, an optional extra percentage and a fixed discount amount.

Compare electric, petrol, diesel or hybrid running costs using your own electricity price, fuel price, efficiency and driving distance. Estimate cost per mile, cost per kilometre, monthly cost and yearly cost.

Estimate jet fuel use, total flight fuel cost, and fuel cost per passenger across different routes and aircraft types. Built for rough comparison and learning, not airline operational planning.

Enter your usage, price per kWh, and any fixed fee to estimate electricity cost per day, month, and year.

Work out what an appliance costs to run per use, per day, per month and per year from its watts, hours used and price per kWh.

Convert between common currencies instantly and see both the converted amount and the exchange rate.

Percent of a number, change between values, and new totals as you type.

See date difference, business days, and worked time with breaks and pay.

See how many months it takes to reach a goal with monthly saving and interest.

Estimate a conception date from a due date, last period, ultrasound, or birth date, with a likely ±5 day window.

Estimate a due date from your last period, conception date, IVF transfer, or an ultrasound, with current pregnancy week and trimester.

Work out an exact age in years, months and days. Enter a date of birth and choose today, a future date or a past date.

Convert length, weight, area and volume in one shared tool.

See your BMI, the range it falls into, and the weight span considered a healthy range.

Estimate a general healthy weight range from your height, based on BMI reference values 18.5 to 24.9.

Estimate your Army Fitness Test (AFT) score across the five events: deadlift, hand-release push-up, sprint-drag-carry, plank and two-mile run. Not an official U.S. Army tool.

Filter local baby name ideas by region, style, gender, origin, and rhythm, then save favorites privately in your browser.

Work out golden ratio proportions (φ ≈ 1.618) for design, layout, photography, UI and typography.

Convert between common currencies instantly and see both the converted amount and the exchange rate.

Convert length, weight, area and volume in one shared tool.

Convert between Celsius, Fahrenheit and Kelvin with instant results as you type.

Work out the cost per serving from your total ingredient cost and number of servings.

Scale a recipe up or down instantly. Enter original servings and new target to see adjusted quantities.

Estimate calories per serving from the total calories in a recipe and the number of portions.

Estimate your daily protein needs based on body weight and activity level.

Estimate your daily water needs based on body weight and activity level.

Calculate weekly and monthly grocery costs from household size and spend per person.

Work out the cost per request and daily, monthly and yearly totals for AI models that charge per token. Enter your own prices from your provider's pricing page.

Use this AI token calculator to estimate how many tokens a prompt or text might use. It counts words and characters locally in your browser and gives a simple token estimate for AI planning.