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Keep the calculations used through winter erg work and the racing season in one browser page. The 13 tools follow Concept2 split conventions for river and coastal rowers. Row HQ carries the same core maths into its coach dashboard when a community club needs joined-up records.
Irish rowers can make 13 common calculations here without creating an account. Convert /500m split and watts, produce training zones, compare a weight-adjusted erg result, or project a 2k from a longer test. The tools run in any browser and retain rowing metric, so they suit winter indoor work as well as river and coastal club training.
Erg tests and race targets
Enter a /500m split for watts, calorie rate and projected finish times. The calculation also works back from power, time or distance.
Convert the splitCompare raw erg scores with Concept2 weight-adjusted times and an illustrative age adjustment. Includes example bands and clear limits.
Place the scoreSet UT2, UT1, AT, TR and AN targets from a 2k split, including rates and interval pieces for indoor and on-water sessions.
Set training paceCompare predicted splits from 500m to half marathon and equal-pace reference times. Includes illustrative training-zone bands and printable tables.
Read the chartEstimate a 2k time from a longer test. Compare three model scenarios and a target split time, then check the estimate against real results.
Predict the testPower, drag and weight
Translate wattage into /500m pace, or send a split back to watts. The reference table supports coach-set power pieces.
Change pace and powerChoose an illustrative starting drag factor, then check the monitor reading and stroke feel. Explains why the damper setting is not a fixed drag value.
Select drag factorCalculate a Concept2 weight-adjusted erg score from body weight and actual time. Keep the original result for online rankings.
Apply adjustmentWinter and crossover training
Find distance per stroke from rating and split, or enter a target DPS and rate to calculate pace.
Calculate stroke distanceConvert mechanical work in kJ and session duration into estimated Concept2 monitor Calories. Includes the inverse calculation and worked examples.
Convert the sessionEstimate VO2 max from a maximal 2k test, body weight and training level using Concept2 equations. Includes worked examples and model limits.
Estimate aerobic fitnessCompare rowing and running pace using two illustrative models. Choose the intended effort and work duration before using a substitution.
Match run paceA winter score from a Concept2 ergometer often raises another question straight away. A rower may need watts, a target distance or the right pace for the next block. The "erg pace calculator" gathers those answers without asking a community club member to find the spreadsheet kept by one coach.
The conversion tools explain the Concept2 formulas they use. Predictions and training suggestions also state their assumptions. Keep calculated results beside real session data, as clubs such as Oundle Town Rowing Club do when reviewing progress. A calculator helps with one result; your club records provide the wider context.
Share a recurring calculation through the contact form if it is absent from the hub. The best suggestions will come from coaches and rowers who already do the work by hand.
One free tool can answer a rower before tonight's session. Running a community club means keeping training, coaching and admin information useful for everyone involved. Row HQ is club management software for that shared work. It does not replace the 13 calculators. It connects the wider records that a calculator cannot hold.
View Row HQ pricing before exploring training management, tools for coaches and the admin dashboard. The Oundle Town RC case study gives a club example. The spreadsheet comparison explains the move away from separate files.
Use the input you already know. Open the erg pace calculator for /500m pace, watts, calories or finish time. Choose the erg score calculator to add age and weight context. The training pace calculator turns a 2k into zones and interval targets. Each tool is free in the browser.
No. All 13 calculators are free and require no sign-up. River rowers, coastal crews and winter training groups use the same metric inputs and /500m erg convention. Row HQ charges for its separate club management software, which covers training, coach and admin work across a club.
Power follows the Concept2 formula watts = 2.80 / (split_seconds / 500)^3. Estimated calories use kcal/hr = (watts * 4) + 300. Distance estimates apply the Riegel model T2 = T1 * (D2 / D1)^1.06. The selected tool names its calculation so the result can be checked.
Yes. They work in any current browser on a phone, tablet or computer. A rower can check a /500m pace beside the erg without registering or installing an app. The same metric conventions carry into on-water training when the weather improves.
A calculator returns one answer. A community club also needs training, coach and admin records to stay organised across members. Row HQ is club management software for that ongoing work. River and coastal rowers can still use the public tools whenever a single test or pace needs checking.
Find plain explanations in the rowing glossary. Begin with the ergometer, then read about a rowing shell and a scull. The page on rowing boat types sets out the wider fleet. Entries for regatta, coxswain and catching a crab cover other language heard around a club.
Choose the rowing calculator that matches your question. A pace calculator converts distance, total time and split time. A score calculator applies a comparison method to a recorded result. A pace predictor estimates a different test distance. Keeping those jobs separate makes the output easier to use in a training session.
Choose a tool from the input you already have. Split time means the time per 500 metres. The pace tool converts split time into finish time; the chart compares that split time across distances. The score tool compares raw and adjusted results. Use a completed test for training targets and keep estimated results labelled as estimates.
| Your question | Start here | Have ready |
|---|---|---|
| What split time do I need? | Erg pace calculator | Distance and total time |
| What power does that split require? | Watts to split converter | Watts or average 500m split |
| How should I compare scores? | Erg score calculator | Raw time, distance and body weight |
| What pace should I train at? | Training pace calculator | A recent 2k test |
| What should the club check before rowing? | Rowing risk assessment | Venue, participants and local controls |
These tools explain their formulas and assumptions on the individual pages. Calculated examples are not official rankings. For a competition comparison, use a current ranking filtered by distance, age group and category, and submit your raw score.
Start a pace calculation in the erg pace calculator then use the result to check your target finish time.
For endurance-based estimates, open the 2k prediction calculator and enter a completed test.
Before an on-water session, review the rowing risk assessment tool with the person responsible for club safety.
Method and further reading: Concept2 pace calculator and formulas
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